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Patent Searching and Data


Title:
FILM FOR DENTISTRY
Document Type and Number:
WIPO Patent Application WO/2020/093429
Kind Code:
A1
Abstract:
A film for dentistry. The composition and weight percentages of raw materials of the film are: 4-8% of an antistatic agent, 5-8% of polyethylene glycol terephthalate, 5-10% of nano silicon oxide, 15-30% of cellulose triacetate, 20-40% of a photosensitive emulsifier, 10-15% of nano aluminum oxide, and 2-5% of polyvinyl alcohol. The film for dentistry is mature in preparation technology, has high stability, high heat resistance, high light transmittance, low haze and high brightness, is non-yellowing, has high adhesive force, good flatness and excellent stiffness, and is resistant to burning and cracking and not prone to damage, and the quality of the film is high.

Inventors:
YUAN JIAN (CN)
Application Number:
PCT/CN2018/115594
Publication Date:
May 14, 2020
Filing Date:
November 15, 2018
Export Citation:
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Assignee:
TIANJIN KANGHUA JIANYE MEDICAL MAT CO LTD (CN)
YUAN JIAN (CN)
International Classes:
G03C1/30
Foreign References:
CN106626861A2017-05-10
US20050064351A12005-03-24
JP2004101804A2004-04-02
US20030194667A12003-10-16
CN103407303A2013-11-27
CN1532630A2004-09-29
Attorney, Agent or Firm:
QINGDAO ZHIJIA INTELLECTUAL PROPERTY AGENCY FIRM (GENERAL PARTNERSHIP ) (CN)
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