公开(公告)号：US11760822B2

公开(公告)日：2023-09-19

申请号：US15563385

申请日：2016-03-02

Applicant: Rohm and Haas Company

Inventor： Melinda L. Einsla ,  Steven R. Patrick ,  William B. Griffith, Jr. ,  Paul Nedwick

IPC: C08F220/18 ,  C09J7/38 ,  C08F265/06 ,  C09J133/08 ,  C09J151/00

CPC classification number: C08F220/1804 ,  C08F265/06 ,  C09J7/385 ,  C09J133/08 ,  C09J151/00 ,  C08F2800/20 ,  C09J2301/414 ,  C09J2433/00 ,  C08F265/06 ,  C08F220/08

Abstract: Disclosed is a method comprising: a) dispersing a first monomer mixture comprising least one least monomer, the first monomer mixture having a total glass transition temperature (Tg) in the range of from −10° C. to −65° C. with a surfactant and an initiator in an aqueous medium; b) when the first monomer mixture is completely dispersed, adding a second monomer mixture comprising at least one monomer, the second monomer mixture having a Tg at least 20° C. greater than the Tg of the first monomer mixture, to the aqueous medium; c) when the second monomer mixture is completely dispersed, adding a third monomer mixture comprising at least one monomer, the third monomer mixture having a Tg in the range of from −25° C. to 50° C.; and d) forming a polymer with the first, second, and third monomer mixtures. Also disclosed is a pressure sensitive adhesive comprising the polymer formed by this method.

公开(公告)号：US20220306909A1

公开(公告)日：2022-09-29

申请号：US17639975

申请日：2020-09-15

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Saswati Pujari ,  William B. Griffith, Jr.

IPC: C09J7/38 ,  C09J133/06 ,  C08F2/22 ,  C08F220/18

Abstract: Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa) (b) in contact with the substrate (Sa), a layer (Lb) of a pressure sensitive composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of 20° C. or lower, and (c) in contact with the layer (Lb), a layer (Lc) that comprises, (i) one or more acrylic polymer (POLc) having Tg of 20° C. or lower, and (ii) one or more olefin copolymer. Also provided are a method of making the pressure sensitive adhesive article and a bonded article made by using the pressure sensitive adhesive article.

公开(公告)号：US11345770B2

公开(公告)日：2022-05-31

申请号：US16338360

申请日：2017-07-25

Applicant: Rohm and Haas Company

Inventor： Melinda L. Einsla ,  Daniel W. Himmelberger ,  William B. Griffith, Jr. ,  Sarah Zolynski

IPC: C09J133/14 ,  C08F220/18 ,  C09J7/35 ,  G09F3/10 ,  C09J7/10 ,  C09J151/06 ,  C09J133/08 ,  C08F265/06 ,  C09J7/38 ,  B32B7/12 ,  B32B37/12 ,  C08F220/14 ,  C09J5/06 ,  G09F3/02

Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.

公开(公告)号：US09765241B2

公开(公告)日：2017-09-19

申请号：US14771012

申请日：2014-03-03

Applicant: Rohm and Haas Company

Inventor： William B. Griffith, Jr. ,  Melissa Lane

IPC: B32B7/12 ,  C09J7/02 ,  C09J133/08

CPC classification number: C09J7/0246 ,  C09J7/385 ,  C09J133/08 ,  C09J2201/134 ,  C09J2201/36 ,  C09J2201/622 ,  C09J2433/00

Abstract: Provided is a pressure sensitive adhesive article comprising (a) a substrate (Sa), (b) in contact with said substrate (Sa), a layer (Lb) of a composition (Cb) that comprises one or more acrylic polymer (POLb) having Tg of −10° C. or lower, and (c) in contact with said layer (Lb), a layer (Lc) of a composition (Cc) that comprises one or more acrylic polymer (POLc) that comprises 20% to 90% polymerized units of one or more high-aliphatic vinyl monomer, by weight based on the weight of said polymer (POLc). Also provided is a bonded article made by a process of contacting a substrate (Sd) with such a pressure sensitive adhesive article, wherein said substrate (Sd) is in contact with said layer (Lc).

公开(公告)号：US10731053B2

公开(公告)日：2020-08-04

申请号：US15778527

申请日：2016-09-21

Applicant: Rohm and Haas Company

Inventor： Daniel W. Himmelberger ,  Melinda L. Einsla ,  William B. Griffith, Jr. ,  Brandon Rowe

IPC: C09J7/38 ,  C08F220/12 ,  C09J133/08 ,  C08F220/14 ,  C08K5/34 ,  C08F220/18 ,  C09J4/00 ,  C08K5/3415

Abstract: A thermally reversible adhesive comprising a) a copolymer of i) a conjugated diene acrylate or methacrylate and ii) at least one acrylic monomer; and b) a bismaleimide crosslinking agent, a process for its preparation, and various end uses, are disclosed.

公开(公告)号：US09914860B2

公开(公告)日：2018-03-13

申请号：US14895636

申请日：2014-08-18

Applicant: Rohm and Haas Company

Inventor： Daniel W. Himmelberger ,  William B. Griffith, Jr.

IPC: C09J153/00 ,  C08L53/00 ,  C08J5/18

CPC classification number: C09J153/00 ,  C08J5/18 ,  C08J2353/00 ,  C08J2423/06 ,  C08L23/06 ,  C08L53/00 ,  C08L91/00 ,  C08L2207/066

Abstract: The present disclosure is directed to a composition comprising a) an olefin block copolymer; b) a tackifier; c) an ethylene-based polymer with a density from 0.90 g/cc to 0.94 g/cc; and d) an oil. The composition finds advantageous application as a cohesive layer in a fastening device, for example, a fastening device for a hygiene absorbent product.

公开(公告)号：US09453148B2

公开(公告)日：2016-09-27

申请号：US14649744

申请日：2013-12-02

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： Melinda L. Einsla ,  William B. Griffith, Jr. ,  Daniel W. Himmelberger ,  Melissa Lane ,  David L. Malotky

IPC: C09J153/02 ,  C09J7/02 ,  C09J109/06

CPC classification number: C09J109/06 ,  C09J7/35 ,  C09J153/02

Abstract: A composition having three components. The first component is from 20 to 80 wt % of a styrene-diene block copolymer having from 10-30 wt % polymerized units of styrene, wherein the block copolymer is present as a dispersion of copolymer in water, and the dispersion contains less than 5 wt % organic solvent based on total dispersion weight. The second component is from 0.5 to 20 wt % of a plasticizer. The third component is from 20 to 80 wt % of a tackifier.

Abstract translation: 具有三个成分的组合物。 第一组分为20至80重量％的具有10-30重量％苯乙烯聚合单元的苯乙烯 - 二烯嵌段共聚物，其中嵌段共聚物作为共聚物在水中的分散体存在，并且分散体含有小于5 基于总分散体重量的有机溶剂。 第二成分为增塑剂的0.5〜20重量％。 第三成分为增粘剂的20〜80重量％。

公开(公告)号：US12221559B2

公开(公告)日：2025-02-11

申请号：US16493829

申请日：2017-03-13

Applicant: Rohm and Haas Company ,  Dow Global Technologies LLC

Inventor： Mario De Filippis ,  Miao Yang ,  Cathie Seyfried ,  Zhaohui Qu ,  Isabelle Uhl ,  Melinda L. Einsla ,  Kalyan Sehanobish ,  William B. Griffith, Jr. ,  Vinita Yadav

IPC: C09J133/08 ,  C08F220/18 ,  C09J7/38 ,  C09J11/06

Abstract: Water-based pressure sensitive adhesive compositions are disclosed comprising (a) an acrylic emulsion having a glass transition temperature of less than or equal to 20° C., (b) optionally, a dispersant or a silane-containing compound, and (c) an ethylene or propylene copolymer emulsion. In some embodiments, (a) comprises from 75 to 99 wt % of the compositions, (b), when present, comprises from 0.1 to 5 wt % of the compositions, and (c) comprises from 0.1 to 25 wt % of the composition, each based on the dry weight of the compositions. Methods for preparing water-based pressure sensitive adhesive compositions are also disclosed comprising emulsion polymerizing at least one unsaturated monomer, thereby forming an emulsion polymer having a glass transition temperature of less than or equal to −10° C. and blending the emulsion polymer together with a dispersant or silane-containing compound and an ethylene or propylene copolymer emulsion. Water-based pressure sensitive adhesives and pressure sensitive adhesive films are also disclosed.

公开(公告)号：US12077620B2

公开(公告)日：2024-09-03

申请号：US17728166

申请日：2022-04-25

Applicant: Rohm and Haas Company

Inventor： Melinda L. Einsla ,  Daniel W. Himmelberger ,  William B. Griffith, Jr. ,  Sarah Zolynski

IPC: C08F220/18 ,  B32B7/12 ,  B32B37/12 ,  C08F220/14 ,  C08F265/06 ,  C09J5/06 ,  C09J7/10 ,  C09J7/35 ,  C09J7/38 ,  C09J133/08 ,  C09J133/14 ,  C09J151/06 ,  G09F3/02 ,  G09F3/10

CPC classification number: C08F220/1804 ,  B32B7/12 ,  B32B37/1207 ,  C08F220/14 ,  C08F265/06 ,  C09J5/06 ,  C09J7/10 ,  C09J7/35 ,  C09J7/385 ,  C09J133/08 ,  C09J133/14 ,  C09J151/06 ,  G09F3/02 ,  G09F3/10 ,  C08F220/1808 ,  C09J2301/304 ,  C09J2301/414 ,  C09J2301/416 ,  C09J2433/00 ,  G09F2003/0241 ,  G09F2003/025 ,  C08F220/14 ,  C08F220/20 ,  C08F220/1804 ,  C08F212/08 ,  C08F220/1804 ,  C08F212/08 ,  C08F265/06 ,  C08F220/1804

Abstract: Activatable adhesive compositions are disclosed. The activatable adhesive compositions comprise a two-stage polymer particle, comprising a first stage comprising a hydrophilic acrylic polymer having an acid content of less than 200 mg KOH/g, a second stage polymerized within the first stage and comprising a hydrophobic acrylic polymer, and a tackifier soluble in the first stage and the second stage. Further, linerless labels and tapes comprising activatable adhesive compositions are disclosed. Still further, methods for adhering a first substrate to a second substrate using an activatable adhesive composition are also disclosed.

公开(公告)号：US09499674B2

公开(公告)日：2016-11-22

申请号：US14774222

申请日：2014-03-21

Applicant: Rohm and Haas Company

Inventor： William B. Griffith, Jr. ,  Edward La Fleur ,  Edwin Hugh Nungesser

IPC: C08J5/00 ,  C08J5/18 ,  G02B1/111 ,  H01L31/0216

CPC classification number: C08J5/18 ,  C08J2423/12 ,  C08J2433/08 ,  G02B1/111 ,  H01L31/02168 ,  Y02E10/50

Abstract: A film containing polymeric particles which have an average particle diameter from 0.75 to 15 μm and a refractive index which changes continuously from the center of the particles to the surface. The particles are embedded in a continuous polymeric phase comprising a polyolefin. The average refractive index difference measured from 400 nm to 800 nm between the polymeric particles and the continuous polymeric phase is no greater than 0.02.

Abstract translation: 含有平均粒径为0.75〜15μm，折射率从粒子的中心向表面连续变化的聚合物粒子的膜。 颗粒被包埋在包含聚烯烃的连续聚合物相中。 在聚合物颗粒和连续聚合物相之间从400nm到800nm测量的平均折射率差不大于0.02。