A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_URI::$config is deprecated
Filename: core/URI.php
Line Number: 401
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Router::$uri is deprecated
Filename: core/Router.php
Line Number: 505
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$benchmark is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$hooks is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$config is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$log is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$utf8 is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$uri is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$exceptions is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$router is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$output is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$security is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$input is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$lang is deprecated
Filename: core/Controller.php
Line Number: 297
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$load is deprecated
Filename: core/Controller.php
Line Number: 309
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$db is deprecated
Filename: core/Loader.php
Line Number: 1557
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_DB_mysqli_driver::$failover is deprecated
Filename: database/DB_driver.php
Line Number: 1481
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1133
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1161
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1221
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1261
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1265
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1269
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1273
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 1505
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: ini_set(): Session ini settings cannot be changed after headers have already been sent
Filename: drivers/Session_files_driver.php
Line Number: 429
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: session_set_save_handler(): Session save handler cannot be changed after headers have already been sent
Filename: Session/Session.php
Line Number: 437
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: Warning
Message: session_start(): Session cannot be started after headers have already been sent
Filename: Session/Session.php
Line Number: 569
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$session is deprecated
Filename: core/Loader.php
Line Number: 5105
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$form_validation is deprecated
Filename: core/Loader.php
Line Number: 5105
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$upload is deprecated
Filename: core/Loader.php
Line Number: 5105
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$cart is deprecated
Filename: core/Loader.php
Line Number: 5105
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$category_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$size_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$color_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$code_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$role_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$role_user_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$category_dmtin_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$one_news_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$regiter_mail_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$regiter_pass_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$baogia_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$comment_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$comment_news_rate_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$commentnews_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$commentproduct_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$request_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$manageorder_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$brand_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$origin_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$xuatxu_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$product_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$thanhphan_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$congdung_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$dmtin_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$slider_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$feel_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$chinhsach_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$avd_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$avd_home_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$images_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$city_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$partner_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$contact_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$manager_member_order_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$option_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$web_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$sitemap_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$muanhanh_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property Web::$link301_model is deprecated
Filename: core/Loader.php
Line Number: 1409
Backtrace:
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$benchmark is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$hooks is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$config is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$log is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$utf8 is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$uri is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$exceptions is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$router is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$output is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$security is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$input is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$lang is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$load is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$db is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$session is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$form_validation is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$upload is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$cart is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$category_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$size_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$color_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$code_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$role_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$role_user_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$category_dmtin_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
File: /home/bopdacas/casaukieuhung.com/index.php
A PHP Error was encountered
Severity: 8192
Message: Creation of dynamic property CI_Loader::$one_news_model is deprecated
Filename: core/Loader.php
Line Number: 3697
Backtrace:
File: /home/bopdacas/casaukieuhung.com/app/controllers/Web.php
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Cách thuộc da bò đơn giản hiệu quả cao ít nhân công 2022
CÁCH THUỘC DA BÒ ĐƠN GIẢN HIỆU QUẢ CAO ÍT NHÂN CÔNG 2022
Chất liệu da bò được sử dụng khá phổ biến cho các sản phẩm làm bằng da thuộc như: giày da, túi xách da, ví da, thắt lưng da,…Và để tạo nên các sản phẩm đó người nghệ nhân đã có cách xử lý da bò như thế nào. Chúng ta sẽ tìm hiểu qua 3 công đoạn của quy trình thuộc da cơ bản sau:
1. Chuẩn bị cho quá trình thuộc da Tuy đây không phải là bước quan trọng trong qua trình thuộc da nhưng lại là bước cần thiết đầu tiên. Mục đích của công đoạn này là để lọai hết các thành phần thừa, không cần thiết, như: mô liên kết, biểu bì hay các chất dễ dàng bị phân hủy và tạo liên kết giữa chất thuộc da với các sợi collagen ở công đoạn thuộc da.
Ở bước chuẩn bị này, cách cách thuộc da bò đơn giản
* Tạo ẩm:
– Mục đích: hồi phục lượng nước bị mất do quá trình bảo quản ( giảm từ 35 – 45% lên 60 – 70% nếu bảo quản da bằng muối và từ 18 – 50% nếu bảo quản phơi khô). Khâu này sẽ giúp sợi da khôi phục lại cấu trúc như ban đầu.
– Phải chú ý đến vấn đề thời gian trong khâu này bởi nếu quá lâu sẽ làm vi khuẩn sinh sôi và làm cho một phần collagen trong da bị phân hủy.
– Nhiệt độ thích hợp là 26 – 27◦C.
* Tẩy lông bò, ngâm vôi
– Mục đích: Tẩy sạch lớp lông và loại bỏ các lớp biểu bì, thượng bì cũng như lớp mỡ dưới da.
– Đây là khâu rất phức tạp, đòi hởi phải kiểm soát được chặt chẽ việc sử dụng hóa chất, nước, nhiệt độ và thời gian.
– Sunfuanatri là chất kiềm đóng vai trò quan trọng trong quá trình làm sạch lông và chân lông và PH tẩy chân lông là 12 – 13.
– Với kỹ thuật thuộc da hiện đại, ngâm vôi được tiến hành trong fouslon với vận tốc là 3 – 4 vòng/ phút, thời gian là 12 – 18h và đảo 10 phút/ giờ để cho dung dịch thấm đều lên da.
– Nước sử dụng rửa da là nước cứng, cho nên trên bề mặt da sẽ tạo thành lớp CaCO3 làm cho da thành phẩm có chất lượng kém. Để tránh tình trạng này, ta cần cho thêm 0,5% lượng vôi so với lượng da.
* Xẻ mỏng
Khâu này được thực hiện trên máy xẻ và tùy thuộc vào mục đích sử dụng mà các lớp da xẻ có độ dày khác nhau.
Chẳng hạn: Da sau khi được ngâm vôi có độ dày mặt cật là 4 mm, sau khi thuộc là 2, 8 mm, sau khi bào còn 2,6 mm và da hoàn thình chỉ còn 2,3 mm.
* Tẩy vôi, làm mềm
– Mục đích của khâu tẩy vôi là để loại bỏ các hóa chất kiềm để tránh làm ảnh hưởng đến chất lượng da thuộc.
– Mục đích của khâu làm mềm là tạo cho da có mặt cật nhẵn và loại bỏ toàn bộ sự trương nở và lớp ghép trên mặt cật. Khâu này cũng nhằm làm tăng sự đàn hồi của da thành phẩm. Tuy nhiên, nếu quá trình làm mềm da quá lâu, quá mạnh sẽ làm giảm độ bền lực chịu kéo. Đồng thời cũng tùy theo mục đích sử dụng da mà có chế độ làm mềm khác nhau.
2. Thuộc da bò
– Đây chính là công đoạn quan trọng nhất trong cách xử lý da bò để chuyển da trần thành da thuộc.
– Hoá chất được dùng để thuộc da bò là kali bicrômat: K2Cr2O7. Khi được thuỷ phân tạo thành muối kiềm crôm:
K2Cr2O7 + 3H2SO4 + R —› K2SO4 + 2CrOHSO4 + RO + H2O
R ở đây là chất khử ( gluco hoặc Na2S2O4). Phản ứng đã tạo nên hợp chất hyđrôxyt là muối kiềm Crôm, dung dịch mang tính axit. Quá trình thuỷ phân có thể tiếp tục nếu ta cho axit vào dung dịch và cũng có thể đưa sản phẩm của quá trình thuỷ phân trở về dạng sunfat crôm.
– Hiện nay, người ta dùng các tác nhân trung hoà khác nhau làm cho tác dụng nâng kiềm của tăng lên một cách từ từ, như: khoáng đôlômit, Mentrigan MOG.
– Sau 2 giờ quay, chúng ta cần kiểm tra độ xuyên thấu của axit hoá, sau khi đạt ta cho: 6 – 8% Cr2O3 dạng bột, quay 6-8 giờ, thử độ xuyên thấu sau 3 – 4 giờ, cho tiếp 0,5 – 1% Mentrigan MOG, quay 1-2 giờ. Đồng thời phải thử nhiệt độ và pH.
– Đối với da phèn thì cần phải dùng chất chống mốc ( thường là 0,3-0,5% Preventol WB).
3. Chỉnh lý và hoàn thiện da bò thuộc
Sau 2 công đoạn trên, da còn có độ ẩm rất cao ( 60 – 65%), chưa có độ mềm dẻo cần thiết, bề mặt da khô và rất dễ thấm nước. Vì vậy nhất định phải được chỉnh lý và hoàn thiện.
Chúng ta phải thực hiện các khâu cơ bản như: ủ đống, ép nước, bào mỏng, trung hòa ( đối với da thuộc Crôm), nhuộm ăn dầu, sấy khô, để cho da có độ ẩm là 12-15%, sau đó đem vò mềm, trau chuốt,… Mục đích của chúng là làm cho da thuộc đồng đều về mặt màu sắc, đồng thời cũng khắc phục những khuyết tật trên bề mặt nhằm đáp ứng mục đích sử dụng đa dạng của người mua.
3 công đoạn phức tạp, tỉ mỉ của cách xử lý da bò hay phương pháp thuộc da đã thể hiện được sự khéo léo, tinh tế của những người nghệ nhân. Khi nhìn vào các mặt hàng đồ da, người ta còn thấy trong đó những nét sang trọng, quý phái và đẳng cấp. Vì vậy, vải da bò thuộc luôn là sản phẩm được mọi người yêu thích và đón đợi.
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