公开(公告)号：US20160152800A1

公开(公告)日：2016-06-02

申请号：US14904255

申请日：2014-07-09

Applicant: DSM IP ASSETS B.V.

Inventor： Johannes HOEKSTRA ,  Pim Gerard Anton JANSSEN

IPC: C08K5/5313 ,  C08K3/00 ,  C08K7/02 ,  C08L77/06

CPC classification number: C08K5/5313 ,  C08G69/26 ,  C08K3/013 ,  C08K7/02 ,  C08L77/06

Abstract: The invention relates to a flame retarded thermoplastic moulding composition comprising (A) a polyamide (B) a flame retardant system comprising a metal salt of a phosphinic acid and/or a diphosphinic acid; and either (C) a fibrous reinforcing agent; or (D) an inorganic filler; or a combination of (C) and (D), wherein (A) consists primarily of a semi-crystalline semi-aromatic polyamide (A1) with a melting temperature of at least 310° C. and consisting of repeat units, predominantly derived from terephthalic acid and diamines selected from C2-C8 diamines and having a molar average number of carbon atoms of at most 7.

Abstract translation: 本发明涉及一种阻燃热塑性模塑组合物，其包含（A）聚酰胺（B）阻燃体系，其包含次膦酸和/或二次膦酸的金属盐; 和（C）纤维增强剂; 或（D）无机填料; 或（C）和（D）的组合，其中（A）主要由半结晶半芳族聚酰胺（A1）组成，熔融温度至少为310℃，由重复单元组成，主要由 对苯二甲酸和选自C 2 -C 8二胺并且具有至多7个碳原子的摩尔平均数的二胺。

公开(公告)号：US20170081513A1

公开(公告)日：2017-03-23

申请号：US15311346

申请日：2015-05-18

Applicant: DSM IP ASSETS B.V.

Inventor： Raul Marcelino PEREZ GRATEROL ,  Franciscus Gerardus Henricus VAN DUIJNHOVEN ,  Franciscus Wilhelmus Maria GELISSEN ,  Johannes HOEKSTRA

IPC: C08L77/02 ,  C08J3/22 ,  B41M5/26

CPC classification number: C08L77/02 ,  B41M5/267 ,  C08J3/203 ,  C08J3/22 ,  C08J2377/02 ,  C08K3/2279 ,  C08K5/098 ,  C08K5/34924 ,  C08K7/14 ,  C08L77/06 ,  C08L2201/02 ,  C08L2205/025

Abstract: The invention relates to a laser-markable polyamide composition comprising: a first phase comprising Sb2O3 and an aliphatic polyamide with an amide density AD1, and a second phase comprising an aliphatic polyamide with an amide density AD2, wherein AD1-AD2 is at least 0.01, and wherein the amount of Sb2O3 is between 0.1 and 5 wt %, a halogen-free flame retardant in an amount of between 1 to 25 wt %, wherein the amount in weight percentage are based on the total amount of composition. The invention also relates to a process for preparing a laser-markable polyamide composition, as well as laser-marked products comprising the composition.

公开(公告)号：US20170152382A1

公开(公告)日：2017-06-01

申请号：US15321406

申请日：2014-06-26

Applicant: DSM IP Assets B.V.

Inventor： Johannes HOEKSTRA ,  Rudy RULKENS ,  Hans Klaas DIJK,VAN

IPC: C08L77/06 ,  B29B7/82 ,  B29C45/72 ,  B29B7/00 ,  B29C45/00

CPC classification number: C08L77/06 ,  B29B7/002 ,  B29B7/82 ,  B29C45/0001 ,  B29C45/72 ,  B29K2077/10 ,  C08G69/265 ,  C08G69/28 ,  C08G69/30 ,  C08G81/00 ,  C08K3/40 ,  C08K7/14 ,  C08L77/00 ,  C08L2205/025

Abstract: The invention relates to a process for the preparation of a semi-crystalline semi-aromatic polyamide copolymer (Co-PA) having a melting temperature (Tm-Co-PA) of at least 300° C., comprising steps of (a) preparing a first semi-crystalline semi-aromatic polyamide (A), having a melting temperature (Tm-A) of at least 310° C.; and consisting of repeat units derived from 45-50 mol % terephthalic acid; 47.5-50 mol % of diamine; and 0-5 mol % of one or more other amine and/or acid group containing components; the mol % being relative to the total molar amount of said amine and/or acid group containing components; and wherein poly-amide (A) is prepared by a process comprising direct solid-state polymerization of a diamine-dicarboxylic acid salt of the terephthalis acid and the diamine; (b) providing a polyamide (B), being an amorphous polyamide having a glass transition temperature (Tg-B) below Tm-A, or a second semi-crystalline polyamide having a melting temperature (Tm-B) below Tm-A, or a combination of the amorphous polyamide and the second semi-crystalline polyamide; (c) heating and melt-mixing polyamide (A) and polyamide (B), thereby obtaining a miscible polymer melt with a temperature (T-melt) above Tm-A; and (d) cooling the melt to a temperature below the solidification temperature of the melt, thereby obtaining a solid semi-crystalline semi-aromatic polyamide copolymer.

公开(公告)号：US20200165450A1

公开(公告)日：2020-05-28

申请号：US16779508

申请日：2020-01-31

Applicant: DSM IP ASSETS B.V.

Inventor： Zhujuan WANG ,  Johannes HOEKSTRA ,  Pim Gerard Anton JANSSEN

IPC: C08L77/06 ,  C08K7/14 ,  C08L77/02 ,  C08G69/26 ,  C08K3/08

Abstract: Thermoplastic compositions are disclosed which include: a) a polyamide component comprising at least three amide monomer units and b) a stabilizer, wherein at least one of the at least three amide monomer units is an aliphatic amide monomer unit having a carbon to nitrogen ratio (C/N) equal to, or above 6.5, in that at least two of the at least three amide monomer units are semi-aromatic amide monomer units which polymerized provide at least one semi-crystalline semi-aromatic polyamide having a melting temperature of at least 290° C. as measured by DSC at a heating rate of 10° C./min according to standard ISO 11357-3 (2009), and in that the amount of aliphatic amide monomer unit is in the range from 20 to 60 wt. % relative to the total weight of the at least three amide monomer units in the polyamide components and the total amount of semi-aromatic amide monomer units is in the range from 40 to 80 wt. % relative to the total weight of the at least three amide monomer units in the polyamide components, and wherein the stabilizer is chosen from a copper-containing stabilizer, an iron-containing stabilizer and a stabilizer containing copper and iron.

公开(公告)号：US20170298225A1

公开(公告)日：2017-10-19

申请号：US15515631

申请日：2015-09-29

Applicant: DSM IP ASSETS B.V.

Inventor： Zhujuan WANG ,  Johannes HOEKSTRA ,  Pim Gerard Anton JANSSEN

IPC: C08L77/06

Abstract: The present invention relates to a thermoplastic composition comprising: a) a polyamide component comprising at least three amide monomer units and b) a stabilizer characterized in that at least one of the at least three amide monomer units is an aliphatic amide monomer unit having a carbon to nitrogen ratio (C/N) equal to, or above 6.5, in that at least two of the at least three amide monomer units are semi-aromatic amide monomer units which polymerized provide at least one semi-crystalline semi-aromatic polyamide having a melting temperature of at least 290° C. as measured by DSC at a heating rate of 10° C./min according to standard ISO 1 1357-3 (2009), and in that the amount of aliphatic amide monomer unit is in the range from 20 to 60 wt. % relative to the total weight of the at least three amide monomer units in the polyamide components and the total amount of semi-aromatic amide monomer units is in the range from 40 to 80 wt. % relative to the total weight of the at least three amide monomer units in the polyamide components and characterized in that the stabilizer is chosen from a copper-containing stabilizer, an iron-containing stabilizer and a stabilizer containing copper and iron.

公开(公告)号：US20170044336A1

公开(公告)日：2017-02-16

申请号：US15305140

申请日：2015-04-20

Applicant: DSM IP ASSETS B.V.

Inventor： Johannes HOEKSTRA ,  Rui ZHANG

IPC: C08J5/10 ,  C08J5/04 ,  C08K5/3492 ,  C08J3/22

CPC classification number: C08J5/10 ,  C08J3/226 ,  C08J5/043 ,  C08J2377/02 ,  C08J2377/04 ,  C08J2377/06 ,  C08K5/20 ,  C08K5/34924 ,  C08K7/14 ,  C08L77/02

Abstract: The invention relates to a process for producing shaped articles comprising the steps of: —compounding a polymer composition (A) containing a polyamide, a halogen-free melamine based flame retardant and at most 15 wt. % of glass fibers into pellets, compounding a polymer composition (B) containing a polyamide, more than 15 wt. % of glass fibers, and not containing halogen-free melamine based flame retardant into pellets, —producing a mixture comprising the pellets of polymer composition (A) and (B), —molding the mixture comprising the pellets of polymer composition (A) and (B) into shaped articles.

Abstract translation: 本发明涉及一种生产成型制品的方法，包括以下步骤： - 将含有聚酰胺的聚合物组合物（A），不含卤素的三聚氰胺基阻燃剂和至多15wt。 将玻璃纤维的百分比转化成颗粒，将含有聚酰胺的聚合物组合物（B），大于15wt。 ％的玻璃纤维，并且不含无卤素的三聚氰胺基阻燃剂成粒料， - 生产包含聚合物组合物（A）和（B）的颗粒的混合物， - 将包含聚合物组合物（A）的颗粒和 （B）成型制品。