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公开(公告)号：US20230383095A1
公开(公告)日：2023-11-30
申请号：US18448642
申请日：2023-08-11
申请人： Cathay Biotech Inc. , CIBT America Inc. , Shanxi Synthetic Biology Institute Co., Ltd. , Cathay (Taiyuan) Biomaterial Co., Ltd.
发明人： Yuanping Li , Bing Guan , Xiucai Liu
CPC分类号： C08K7/14 , C08K3/32 , C08K2003/329
摘要： Provided are a flame-retardant polyamide glass fiber composition and a preparation method therefor. The flame-retardant polyamide glass fiber comprising 40-65 parts by mass of a polyamide resin, 25-40 parts by mass of glass fibers, 0-20 parts by mass of a flame retardant, 0.2-1 part by mass of an antioxidant and 0.1-2 parts by mass of other auxiliaries. The flame-retardant polyamide glass fiber composition provided in the present disclosure not only has a bio-based source, but also has a flame-retardant of V-0 in UL94 and excellent mechanical properties, and can be widely applied to the fields of various engineering plastics with high requirements for flame retardant effect and dimensional stability.
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2.发明公开公开(公告)号：US20240052115A1
公开(公告)日：2024-02-15
申请号：US18496985
申请日：2023-10-30
申请人： Cathay Biotech Inc. , CIBT America Inc. , Cathay (Taiyuan) Biomaterial Co., Ltd. , Shanxi Synthetic Biology Institute Co., Ltd.
发明人： Yuanping Li , Bing Guan , Xiucai Liu
CPC分类号： C08J5/043 , C08L77/06 , C08K5/526 , C08K5/20 , C08K7/14 , C08J2377/06 , C08K2201/012 , C08K2201/003
摘要： Disclosed are a long-carbon-chain polyamide resin composition and a continuous fiber reinforced long-carbon-chain polyamide composite material. The long-carbon-chain polyamide resin composition includes the following components in parts by weight: 81.8-99.8 parts by mass of long-carbon-chain bio-based polyamide 5X resin, 0.2-1.6 parts by mass of an antioxidant, 0-0.8 parts by mass of a lubricant, 0-15 parts by mass of a compatibilizer, and 0-0.8 parts by mass of a coupling agent. The continuous fiber reinforced long-carbon-chain polyamide composite material prepared on the basis of the long-carbon-chain polyamide resin composition has high fiber content and good mechanical properties, is recyclable and can be used in fields of aerospace, military, automotive materials, sports equipment, building materials, electronic appliances, etc.
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公开(公告)号：US20220306804A1
公开(公告)日：2022-09-29
申请号：US17566746
申请日：2021-12-31
发明人： Yuanbo ZHAO , Bingbing Qin , Xiucai Liu
IPC分类号： C08G69/28
摘要： The present invention provides a process for producing a high temperature resistant polyamide, the high temperature resistant polyamide and the use thereof. The process comprises: optionally concentrating a polyamide salt solution, and then conducting the following operations: heating and pressurizing to a pressure of P1, and maintaining the pressure, wherein the temperature of the system is T1 at the end of the pressure-maintenance; depressurizing to a pressure of P2, wherein the temperature of the system is T2 at the end of the depressurization; and evacuating, whereby a polyamide melt is obtained; wherein P1 is 0.8-4 MPa, T1 is 250-290° C., T1
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