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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。
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公开(公告)号：US20160183368A1
公开(公告)日：2016-06-23
申请号：US14910093
申请日：2014-07-09
Applicant: DSM IP ASSETS B.V.
CPC classification number: H05K1/0346 , B29C55/005 , B29C55/04 , B29C55/12 , B29K2077/00 , C08G69/26 , C08G69/265 , C08J5/18 , C08J2377/06 , C08L77/06 , H05K1/028 , H05K1/0366 , H05K1/0373 , H05K1/0393 , H05K3/0064
Abstract: The invention relates to a stretched polymer film made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (PPA), wherein the PPA consists of repeat units derived from aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid; and diamine comprising at least 5 mole % 1,4-butanediamine and at least 5 mole % 1,6-hexanediamine, relative to the total amount of diamine, the combined amount of 1,4-butanediamine and 1,6-hexanediamine being at least 60 mole % relative to the total amount of diamine; and 0-2 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units. The invention further relates to a process for preparing the polyamide film by melt extrusion and stretching of the film.
Abstract translation: 本发明涉及由包含半结晶半芳族聚酰胺（PPA）的聚酰胺组合物制成的拉伸聚合物膜，其中PPA由衍生自包含至少80摩尔％对苯二甲酸的芳族二羧酸的重复单元组成，相对于 芳族二羧酸的总量; 和相对于二胺的总量，包含至少5摩尔％1,4-丁二胺和至少5摩尔％1,6-己二胺的二胺，1,4-丁二胺和1,6-己二胺的合并量为 相对于二胺的总量为至少60摩尔％ 和0-2摩尔％的其它单体单元，相对于芳族二羧酸，二胺和其它单体单元的总量。 本发明还涉及一种通过熔融挤出和拉伸薄膜来制备聚酰胺薄膜的方法。
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公开(公告)号：US20210199909A1
公开(公告)日：2021-07-01
申请号：US16754895
申请日：2018-10-18
Applicant: DSM IP Assets B.V.
Abstract: The invention relates to an optical fiber cable element comprising a buffer tube and a number of optical fibers enveloped by the buffer tube, wherein the buffer tube comprises a semi-crystalline semi-aromatic polyamide comprising repeat units derived from monomers essentially consisting of dicarboxylic acid and diamine, comprising at least 55 mole % aromatic dicarboxylic acid, relative to the total molar amount of dicarboxylic acid, and having a glass transition temperature (Tg) of at least 100° C. The invention further relates to a process for producing the optical fiber cable element, and to an optical fiber cable construction, comprising a jacket and one or more optical fiber cable elements.
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公开(公告)号：US20200299460A1
公开(公告)日：2020-09-24
申请号：US16754945
申请日：2018-10-18
Applicant: DSM IP Assets B.V.
Inventor： Pim Gerard Anton JANSSEN
Abstract: The present invention relates to a polyamide copolymer consisting of repeat units primarily derived from diamine and dicarboxylic acid, wherein the diamine comprises 55-90 mole % of 1,6-hexanediamine and 10-45 mole % of either one of 1,2-ethylenediamine, 1,3-trimethylenediamine, 1,4-tetramethylenediamine and 1,5-pentamethylenediamine, or a combination thereof, and the dicarboxylic acid comprises 50-85 mole % of terephthalic acid and 15-50 mole % of isophthalic acid. The invention further relates to a process for preparing the copolymer, a process for making molded parts from the copolymer and molded parts comprising the same.
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公开(公告)号：US20200307122A1
公开(公告)日：2020-10-01
申请号：US16954676
申请日：2018-12-20
Applicant: DSM IP ASSETS B.V.
Abstract: The invention relates to a thermoplastic composite material comprising a thermoplastic matrix and a fibrous material impregnated with the thermoplastic matrix, wherein the fibrous material comprises carbon fibers with a weight average aspect ratio of length divided by diameter (L/D) of at least 500; the thermoplastic matrix comprises a thermoplastic polymer and a laser absorbing additive.
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Patent Agency Ranking
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
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.
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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.
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公开(公告)号：US20220227026A1
公开(公告)日：2022-07-21
申请号：US17623059
申请日：2020-06-25
Applicant: DSM IP ASSETS B.V.
Abstract: The disclosure relates to a dipping former, to a process for producing the dipping former and to the use of the dipping former in a latex dipping process. The dipping comprises (i) a molded core part, and (ii) a dipping former shell having a surface in one piece. The dipping former is obtainable by a molding process comprising the following steps: —providing a first cavity and a second cavity; —injection molding or blow molding a first material into the first cavity thereby forming a molded core; —transferring the molded core form the first cavity into the second cavity; and —injection molding of a second material into the second cavity thereby overmolding the molded core, or at least a part thereof, with the second material.
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公开(公告)号：US20190022898A1
公开(公告)日：2019-01-24
申请号：US15537747
申请日：2015-12-17
Applicant: DSM IP Assets B.V.
Abstract: The present invention relates to a plastic material for use in various application. Further, the present invention relates to a plastic material for an industrial former (herein also designated as a mold). Additionally, the present invention relates to a mold made of a plastic material and the method for the manufacture of said mold. Furthermore, the present invention relates to an industrial process using such mold, such as in a process for making rubber goods comprising dipping of a mold into a rubber emulsion, wherein the mold consisting of a plastic material having a surface tension in the range from 25 to 60 mJ/m2 measured according to ASTM standard D-2578/09.
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公开(公告)号：US20160333144A1
公开(公告)日：2016-11-17
申请号：US15109694
申请日：2015-01-12
Applicant: DSM IP ASSETS B.V.
CPC classification number: C08G69/26 , C08G69/265 , D01F6/80 , D01F6/90 , D01H7/00
Abstract: The present invention relates to a polymer fiber made of a polyamide composition comprising a semi-crystalline semi-aromatic polyamide (PPA), wherein the PPA consists of repeat units derived from—aromatic dicarboxylic acid comprising at least 80 mole % of terephthalic acid, relative to the total amount of aromatic dicarboxylic acid and—diamine comprising at least 5 mole % of a first diamine and at least 5 mole % of a second diamine relative to the total amount of diamine; and—0-5 mole % of other monomeric units, relative to the total amount of aromatic dicarboxylic acid, diamine and other monomeric units, wherein the PPA has a melting temperature (Tm) of at least 310° C. measured by the DSC method according to ISO-11357-1/3, 2011 and with a heating rate of 10° C./min.
Abstract translation: 本发明涉及由包含半结晶半芳族聚酰胺（PPA）的聚酰胺组合物制成的聚合物纤维，其中PPA由衍生自芳族二羧酸的重复单元组成，所述重复单元包含至少80摩尔％的对苯二甲酸，相对 相对于二胺的总量，包含至少5摩尔％的第一二胺和至少5摩尔％的第二二胺的芳族二羧酸和二胺的总量; 和0-5摩尔％的其它单体单元，相对于芳族二羧酸，二胺和其它单体单元的总量，其中PPA具有至少310℃的熔融温度（Tm），通过DSC法测量 根据ISO-11357-1 / 3，2011，加热速率为10℃/ min。
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