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公开(公告)号：US20180305510A1
公开(公告)日：2018-10-25
申请号：US16022833
申请日：2018-06-29
Applicant: Rohm and Haas Company
Inventor： Hailan Guo , Steven J. Broadwater , Veera D. Nelliappan
IPC: C08J5/18 , C08F265/06 , C08F285/00 , C08F220/40 , C08F220/10
CPC classification number: C08J5/18 , C08F220/10 , C08F220/40 , C08F265/06 , C08F285/00 , C08J2333/06 , C08J2333/08 , C08J2433/12 , C08J2435/02 , C08F2222/1013
Abstract: A multi-stage polymer composition comprising a crosslinked core having a Tg of from −85 to −10° C.; an intermediate region which comprises one or more intermediate layers, wherein each of the intermediate layers comprises from 88.5 to 99.9 weight percent of units derived from a one or more monomers selected from the group consisting of alkyl (meth)acrylate monomers, from 0 to 5 weight percent of units derived from a cross-linking monomer, a graft-linking monomer, or a combination of two or more thereof, optionally from 0 to 2 weight percent units derived from one or more chain transfer agents; wherein there is a compositional gradient between the intermediate layers such that the Tg transitions from −30° C. to 70° C. over the width of the intermediate region, and an outermost layer which has a Tg of from 40° C. to 110° C. is provided.
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公开(公告)号：US10040915B2
公开(公告)日：2018-08-07
申请号：US14418521
申请日：2013-08-05
Applicant: Rohm and Haas Company
Inventor： Hailan Guo , Steven J. Broadwater , Veera D. Nelliappan
IPC: C08J5/18 , C08F220/10 , C08F265/06 , C08F285/00 , C08F220/40
Abstract: A multi-stage polymer composition comprising a crosslinked core having a Tg of from −85 to −10° C.; an intermediate region which comprises one or more intermediate layers, wherein each of the intermediate layers comprises from 88.5 to 99.9 weight percent of units derived from a one or more monomers selected from the group consisting of alkyl (meth)acrylate monomers, from 0 to 5 weight percent of units derived from a cross-linking monomer, a graft-linking monomer, or a combination of two or more thereof, optionally from 0 to 2 weight percent units derived from one or more chain transfer agents; wherein there is a compositional gradient between the intermediate layers such that the Tg transitions from −30° C. to 70° C. over the width of the intermediate region, and an outermost layer which has a Tg of from 40° C. to 110° C. is provided.
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13.发明申请公开(公告)号：US20220275189A1
公开(公告)日：2022-09-01
申请号：US17630312
申请日：2020-08-06
Applicant: Rohm and Haas Company , Dow Silicones Corporation
Inventor： Hailan Guo , Manoj Nerkar , Sharon M. Vuong , Igor Chorvath
IPC: C08L27/06
Abstract: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 7.5 to 75 wt. %. The composition also comprises (B) a polyvinyl chloride polymer in an amount of from 20 to 92 wt. %. Further, the composition comprises (C) a polydiorganosiloxane in an amount of from greater than 0 to 5 wt. %; the (C) polydiorganosiloxane being a compound of unit formula: (R2R′SiO1/2)a(R3SiO1/2)b(R2SiO2/2)c(RR′SiO2/2)d, where each R is an independently selected monovalent hydrocarbon group of 1 to 18 carbon atoms that is free of aliphatic unsaturation, each R′ is an independently selected alkenyl group of 2 to 18 carbon atoms, subscript a is 0 to 2, subscript b is 0 to 2, a quantity (a+b)=2, subscript c≥0, subscript d≥0, a quantity (a+d)≥1, and a quantity (a+b+c+d) is sufficient to give the polydiorganosiloxane a viscosity of 2,000 mPa·s to 60,000 mPa·s at 25° C. measured at 0.1 to 50 RPM on a Brookfield DV-III cone & plate viscometer with #CP-52 spindle. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.
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公开(公告)号：US20220275187A1
公开(公告)日：2022-09-01
申请号：US17630034
申请日：2020-08-06
Applicant: Rohm and Haas Company , Dow Silicones Corporation
Inventor： Manoj Nerkar , Igor Chorvath , Hailan Guo
Abstract: A polyvinyl chloride (PVC) composition and a method for preparing a polymer composite article. The composition comprises (A) a mineral filler in an amount of from 47.5 to 75 wt. %. The composition also comprises (B) a PVC polymer in an amount of from 25 to less than 50 wt. %, wherein the amount of the (A) mineral filler is greater than the amount of the (B) PVC polymer. Further, the composition comprises (C) an organopolysiloxane in an amount of from greater than 0 to 5 wt. %; the (C) organopolysiloxane having at least one silicon-bonded hydroxyl group and a viscosity of from 1,000 to 60,000 mPa·s at 25° C. The ranges for components (A)-(C) are based on the total weight of components (A), (B) and (C) in the composition.
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公开(公告)号：US20220235163A1
公开(公告)日：2022-07-28
申请号：US17615725
申请日：2020-05-29
Applicant: Rohm and Haas Company
Inventor： Hailan Guo , Morris Wills
IPC: C08F265/06 , C08F2/38 , C08F2/26
Abstract: Disclosed is a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 15 weight percent, and a crosslinker in an amount of 0.1 to 15 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker is within +/−5 weight percent of the amount of chain transfer agent, and wherein the crosslinker comprises at least two carbon-carbon double bonds having different reactivity. A thermosetting composition prepared by crosslinking the branched polymer and an acrylic polymer is also disclosed.
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Patent Agency Ranking
公开(公告)号：US20220185934A1
公开(公告)日：2022-06-16
申请号：US17439832
申请日：2020-03-13
Applicant: Rohm and Haas Company
Inventor： Hailan Guo , Morris Wills , Wen-Shiue O. Young
Abstract: Disclosed is a composition comprising a multi-stage flexible acrylic resin and a branched polymer which is a reaction product of reactants comprising one or more monoethylenically unsaturated ester monomers, a chain transfer agent in an amount of 0.1 to 10 weight percent, and a crosslinker in an amount of 0.1 to 10 weight percent of a crosslinker, wherein weight percent is based on total amount of reactants, provided the amount of crosslinker in moles is less than the amount of chain transfer agent in moles, and films thereof.
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公开(公告)号：US11279787B2
公开(公告)日：2022-03-22
申请号：US16763773
申请日：2018-12-03
Applicant: Rohm and Haas Company
Inventor： Hailan Guo , Morris Wills
IPC: C08F287/00 , C08F220/18 , C08F2/10 , C08F210/02 , C08F210/14 , C08F212/08 , C08F220/14 , C08L51/06
Abstract: Provided is a process for forming a polymer composition, wherein the process comprises (a) providing a slurry in an aqueous medium, wherein the slurry comprises (i) pellets comprising a polyolefin block copolymer, wherein the block copolymer comprises a crystalline block and an amorphous block, (ii) one or more vinyl monomers, (iii) one or more initiator, wherein the slurry comprises, by weight based on the total weight of the slurry, 0 to 0.01% of all surfactants, and 0 to 0.01% of all water-soluble polymers; and (b) polymerizing the one or more vinyl monomers.
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公开(公告)号：US20210324187A1
公开(公告)日：2021-10-21
申请号：US17259639
申请日：2019-07-26
Applicant: Rohm and Haas Company , Dow Silicones Corporation
Inventor： Morris Wills , Hailan Guo , Nanguo Liu , Jeffrey Rastello
IPC: C08L25/12 , C08F285/00
Abstract: Provided is a collection of polymer particles comprising (I) a plurality of acrylic particles (I) each comprising (a) an acrylic core polymer (Ia) comprising (i) polymerized units of one or more monovinyl acrylic monomers (Iai), (ii) polymerized units of one or more Si-free graftlinkers (Iaii), (b) a shell polymer (Ib), (II) a plurality of hybrid polymer particles (II), each comprising (a) a core polymer (IIa) comprising (i) polymerized units of one or more silicon-containing monomers (IIai); (ii) optionally, polymerized units of one or more monovinyl acrylic monomers (IIaii); and (iii) polymerized units of one or more Si-free graftlinkers (IIaiii); (b) a shell polymer (IIb) comprising polymerized units of one or more acrylic monomers (IIb).
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公开(公告)号：US20210317248A1
公开(公告)日：2021-10-14
申请号：US17259635
申请日：2019-07-26
Applicant: Rohm and Haas Company , Dow Silicones Corporation
Inventor： Yang Cheng , Morris Wills , Hailan Guo , Nanguo Liu
IPC: C08F290/14 , C08K5/41
Abstract: A method of making a collection of polymer particles comprising (A) performing free radical polymerization (A) on an emulsion (E1) that comprises a collection of droplets dispersed in an aqueous medium, wherein the droplets comprise (i) one or more Si-containing monomers; (ii) one or more monovinyl acrylic monomers; and (iii) one or more graftlinkers that have no silicon atoms; to form a dispersion (D1) of core polymer particles in the aqueous medium; (B) in the presence of the dispersion (D1) of core polymer particles, performing aqueous emulsion polymerization (B) on one or more acrylic monomers.
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公开(公告)号：US20200255648A1
公开(公告)日：2020-08-13
申请号：US15776159
申请日：2016-12-13
Applicant: Rohm and Haas Company
Inventor： Hailan Guo , Carlos A. Cruz
Abstract: Provided is a polymer composition comprising an acrylic resin and a compound (I) wherein R1, R2, R3, and R4 is each independently hydrogen or an organic group having 1 or more carbon atoms, and n is from 1 to 20.
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