公开(公告)号：US11655319B2

公开(公告)日：2023-05-23

申请号：US15753553

申请日：2016-08-31

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr ,  Paul R. Van Rheenen

IPC: C08F220/18 ,  C08F110/02 ,  C08J9/228 ,  C08L27/06 ,  C08F110/06

CPC classification number: C08F220/1802 ,  C08F110/02 ,  C08F110/06 ,  C08J9/228 ,  C08L27/06 ,  C08F220/1803 ,  C08F2800/20 ,  C08J2201/022 ,  C08J2205/08 ,  C08J2205/10 ,  C08J2327/06 ,  C08F220/1803 ,  C08F220/14 ,  C08L27/06 ,  C08L33/10 ,  C08F220/1802 ,  C08F220/14

Abstract: A processing aid for foam molding comprising a copolymer obtained by the polymerization of from 50% to 100% by weight total of one or more monomers selected from the group consisting of ethyl methacrylate and propyl methacrylate, and 0 to 50% by weight of other copolymerizable monomers, the copolymer having the following properties: (a) a reduced viscosity measured according to ASTM D2857 at 1 mg/mL in chloroform at 25° C. of greater than 8 dL/g and (b) a Tg equal to or less than 77° C. is provided.

公开(公告)号：US10316126B2

公开(公告)日：2019-06-11

申请号：US15536145

申请日：2015-12-17

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr ,  Carlos A. Cruz

IPC: C08F265/06 ,  C08L27/06 ,  C08F285/00 ,  C08L51/00

Abstract: An impact modifier composition comprising one or more core/shell polymers which comprise a crosslinked core having from 98 to 99.9 wt % units derived from one or more acrylate monomers and from 0.1 to 2 wt % units derived from a crosslinker containing a vinylically unsaturated moiety with an acrylate free radical reactivity ratio from 0.8 to 1.2 and one or more non-acrylate vinylically unsaturated moiety(ies) with an acrylate free radical reactivity ratio(s) greater than 1, wherein the crosslinked core has a swell ratio in THF between 7 and 15 and a Tg equal to less than 10° C.; and a shell having from 20 to 100 wt % units derived from one or more (meth)acrylate monomers and having a Tg of greater than 20° C. is provided. Also provided is a polymer composition comprising the impact modifier composition and a base structural polymer.

公开(公告)号：US20190023889A1

公开(公告)日：2019-01-24

申请号：US16070825

申请日：2017-01-19

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr

IPC: C08L27/06 ,  C08L51/00 ,  C08F265/04

CPC classification number: C08L27/06 ,  C08F265/04 ,  C08F2500/01 ,  C08F2800/20 ,  C08L51/003 ,  C08L2203/16 ,  C08L2205/03

Abstract: Provided are thermoplastic polymer composition comprising (a) a polyvinyl halide, and (b) an acrylic copolymer comprising 70 to 100 weight % of a first polymeric stage, based on the total weight of the acrylic copolymer, comprising polymerized units derived from at least 85 weight % of one or more C1-C6 alkyl methacrylate monomers and C1-C3 alkyl acrylate monomers, based on the total weight of monomers in the first polymeric stage, wherein the first polymeric stage has a calculated Tg of 70° C. or less, and wherein the acrylic copolymer has a molecular weight of greater than 1.5×106 g/mol.

公开(公告)号：US20180362751A1

公开(公告)日：2018-12-20

申请号：US15781879

申请日：2016-12-09

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr ,  Paul R. Van Rheenen

IPC: C08L27/06

Abstract: The present invention provides vinyl halide polymer thermoplastic polymer compositions comprising a multi-stage, or, preferably, two-stage acrylic copolymer polymeric additive having (A) a high Tg, high molecular weight first stage polymer that is free of, in copolymerized form, vinyl aromatic monomers, and having (B) a low Tg, low molecular weight second stage polymer of copolymerized vinyl aromatic containing monomers, wherein the multi-stage acrylic copolymer can be isolated by coagulation and drying and provides compositions having both melt strength and lubrication in thermoplastic processing.

公开(公告)号：US11267189B2

公开(公告)日：2022-03-08

申请号：US16302907

申请日：2017-05-23

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Jeffrey D. Wenzel ,  Michael T. Petr ,  Mark Mirgon ,  Jay M. Tudor ,  Sam L. Crabtree ,  Jie Feng

IPC: B29C57/04

Abstract: An apparatus comprising: (a) a mandrel; (b) an internal guide spaced apart from the mandrel; (c) an external guide extending around all or a portion of the internal guide and being spaced apart from the mandrel; wherein a pipe extends between the internal guide and the external guide and then over the mandrel so that the mandrel changes one or more dimensions of the pipe.

公开(公告)号：US20190275729A1

公开(公告)日：2019-09-12

申请号：US16302907

申请日：2017-05-23

Applicant: DOW GLOBAL TECHNOLOGIES LLC ,  ROHM AND HAAS COMPANY

Inventor： Jeffrey D. Wenzel ,  Michael T. Petr ,  Mark Mirgon ,  Jay M. Tudor ,  Sam L. Crabtree ,  Jie Feng

IPC: B29C57/04

Abstract: An apparatus comprising: (a) a mandrel; (b) an internal guide spaced apart from the mandrel; (c) an external guide extending around all or a portion of the internal guide and being spaced apart from the mandrel; wherein a pipe extends between the internal guide and the external guide and then over the mandrel so that the mandrel changes one or more dimensions of the pipe.

公开(公告)号：US20190119483A1

公开(公告)日：2019-04-25

申请号：US16092089

申请日：2017-04-19

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr

IPC: C08L27/06 ,  C08F220/14 ,  C08F220/18 ,  C08K3/013 ,  C08K5/00

Abstract: Provided are methods for improving the melt strength of oriented thermoplastic polymer compositions comprising a polyvinyl chloride formulation, comprising adding an acrylic copolymer to the oriented thermoplastic polymer composition, wherein the acrylic copolymer comprises polymerized units derived from (i) 50 to 95 weight % of methyl methacrylate monomers, and (ii) 5 to 50 weight % of C2-C6 alkyl (meth)acrylate monomers, based on the total weight of monomers in the acrylic copolymer, wherein the acrylic copolymer has a Mw/GPC-PS of 4×106 g/mol or more.

公开(公告)号：US20190002668A1

公开(公告)日：2019-01-03

申请号：US16065137

申请日：2016-12-26

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr

IPC: C08K5/521 ,  C08J5/18 ,  C08K5/57 ,  C08K5/103 ,  C08K5/098 ,  C08K5/42

Abstract: A method comprising contacting a polymer composition with a metal processing surface wherein the metal processing surface is at a temperature of equal to or greater than 90° C., wherein the polymer composition comprises one or more base polymers selected from the group consisting of polyvinyl halides, poly(meth)acrylics, polycarbonates, olefin-based polymers, and polystryrenes and a lubricant package which comprises at least one release agent of the following formulas where R is an alkyl group having 6 or more carbon atoms, M is a metal or cation, and X may be absent or selected from the group consisting of aromatic groups and ester groups is provided.

公开(公告)号：US20170362367A1

公开(公告)日：2017-12-21

申请号：US15536145

申请日：2015-12-17

Applicant: Rohm and Haas Company

Inventor： Michael T. Petr ,  Carlos A. Cruz

IPC: C08F265/06 ,  C08L27/06

CPC classification number: C08F265/06 ,  C08F285/00 ,  C08L27/06 ,  C08L51/003 ,  C08F2/22 ,  C08F220/12

Abstract: An impact modifier composition comprising one or more core/shell polymers which comprise a crosslinked core having from 98 to 99.9 wt % units derived from one or more acrylate monomers and from 0.1 to 2 wt % units derived from a crosslinker containing a vinylically unsaturated moiety with an acrylate free radical reactivity ratio from 0.8 to 1.2 and one or more non-acrylate vinylically unsaturated moiety(ies) with an acrylate free radical reactivity ratio(s) greater than 1, wherein the crosslinked core has a swell ratio in THF between 7 and 15 and a Tg equal to less than 10° C.; and a shell having from 20 to 100 wt % units derived from one or more (meth)acrylate monomers and having a Tg of greater than 20° C. is provided. Also provided is a polymer composition comprising the impact modifier composition and a base structural polymer.