Method and gaskets for casting acrylic films

An acrylic resin and acrylate technology, applied in other household appliances, flat products, household appliances, etc., can solve problems such as difficulty in achieving uniform thickness, wrinkles, and film deformation
CN101784383AActive Publication Date: 2010-07-21LG CHEM LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
LG CHEM LTD
Publication Date
2010-07-21

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Abstract

The present invention relates to a method for casting an acryl film, which includes the steps of injecting a material of the acryl film into a space that is formed from a pair of substrates and a gasket positioned between a pair of substrates, and curing the material of the acryl film. The shrinkage ratio of the gasket is not less than 10% after the acryl film is subjected to the curing step, or the shrinkage ratio of the gasket after the acryl film is subjected to the curing step is the same as or larger than the shrinkage ratio of the material of the acryl film.
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Description

technical field

[0001] The present invention relates to a method and gasket for casting an acrylic resin film. More specifically, the present invention relates to a method and gasket for casting acrylic resin films with a thickness not exceeding 1 mm. This application claims priority from Korean Patent Application No. 10-2007-0084994 filed in KIPO on Aug. 23, 2007, the disclosure of which is incorporated herein by reference in its entirety. Background technique

[0002] Such as figure 1 and 2 As shown, the conventional casting method of acrylic resin film is carried out as follows: add a soft or hard gasket for controlling the thickness of the acrylic resin film between two unit casting plates made of glass or the like, seal it, fill the polymer raw material, solidify it in a constant temperature water bath or oven, and then separate the film.

[0003] There is no problem when using the above method to prepare a film with a thickness of more than 1 mm. However, when a th...

Claims

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