A semi-aromatic polyester and its preparation method and application
By controlling the content of low molecular weight substances in semi-aromatic polyester, the problems of surface precipitation and gloss reduction of the product are solved, and its fluidity is improved, and the effect of balanced gloss and fluidity is achieved.
CN114957630BActive Publication Date: 2025-03-25ZHUHAI KINGFA BIOMATERIAL CO LTD +1
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Patent Information
- Application Number
- CN202210569229.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-05-24
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2042-05-24
AI Technical Summary
Technical Problem
Semi-aromatic polyester products are prone to problems such as surface small molecules precipitation and gloss disappearance, and are difficult to use directly in the injection molding process, and are prone to underfill and sticking.
Method used
By controlling the total content of low molecular weight substances in semi-aromatic polyester at 0.6-1.5 wt%, improving its precipitation problems and improving fluidity, the prepared polyester product has high gloss and good fluidity.
Benefits of technology
It effectively solves the problems of surface precipitation and gloss reduction of semi-aromatic polyester products, and improves its fluidity in the injection molding process, and improves the gloss and fluidity balance of the product.
✦ Generated by Eureka AI based on patent content.
Abstract
The invention discloses a semi-aromatic polyester and a preparation method and application thereof. The total content of low molecular weight substances in the semi-aromatic polyester is 0.6-1.5 wt%, which can improve the precipitation problem of the semi-aromatic polyester and improve its fluidity. The prepared semi-aromatic polyester has high gloss and good fluidity.
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