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Patent Searching and Data


Title:
COMPOSITE RAW MATERIAL, FILM, BASE FILM, WATERPROOF ROLLED MATERIAL, FILM PREPARATION METHOD AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2022/052942
Kind Code:
A1
Abstract:
Provided in the present application is a composite raw material for film preparation, comprising the following components according to mass percentage: 2-25% of a composite functional masterbatch, 0-6% of a maleic anhydride grafting agent, 0-1% of a nucleating agent, 2-15% of an elastic additive, and 53-96% of a carrier. A film having a thickness of less than 0.6 mm can be prepared, and the level of flatness is high and uniformity is good. The prepared film has high elongation, low shrinkage, good dimensional stability, good waterproof performance, does not curl and does not become layered, thus overcoming all of the known problems in existing waterproof base films and waterproof face masks. Further provided in the present application are a film prepared by using the described raw materials, a base film, a waterproof rolled material, and an application of the film, base film, and waterproof rolled material of the present application.

Inventors:
PANG ZHIQING (CN)
Application Number:
PCT/CN2021/117142
Publication Date:
March 17, 2022
Filing Date:
September 08, 2021
Export Citation:
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Assignee:
PANG ZHIQING (CN)
International Classes:
B29B9/06; C08K7/14; B29C48/08; C08J5/18; C08K3/34; C08L23/12
Foreign References:
CN110423407A2019-11-08
EP0622172A11994-11-02
Attorney, Agent or Firm:
ZHIHAN LAW FIRM (CN)
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