公开(公告)号：US11326038B2

公开(公告)日：2022-05-10

申请号：US15772232

申请日：2016-12-06

Applicant: Rohm and Haas Company

Inventor： Nader N. Kamel ,  Debra A. Kline ,  Paul Nedwick

IPC: C09D201/00 ,  C08J9/36 ,  C08J9/30 ,  C08J9/28 ,  C08J9/00 ,  D06N3/00 ,  C08J7/04 ,  B05D3/12 ,  B05D3/00 ,  B05D1/00 ,  B05D3/02

Abstract: Provided is a process for producing a coating on a substrate comprising one or more steps of crushing a dried layer of a foamed aqueous coating composition, wherein the aqueous coating composition comprises a collection of multi-stage copolymer particles having a weight average diameter of 2-20 μm, wherein said multi-stage copolymer particles comprise a core having a glass transition temperature (Tg) of 20° C. or less. Also provided is a coated substrate made by that process.

公开(公告)号：US20180312724A1

公开(公告)日：2018-11-01

申请号：US15772232

申请日：2016-12-06

Applicant: Rohm and Haas Company

Inventor： Nader N. Kamel ,  Debra A. Kline ,  Paul Nedwick

IPC: C09D201/00 ,  C08J9/36 ,  C08J9/30 ,  C08J9/28 ,  C08J9/00 ,  D06N3/00

CPC classification number: C08J7/047 ,  C08J7/042 ,  C08J9/365 ,  C08J2433/06 ,  D06N3/0045 ,  D06N3/0063 ,  D06N2209/0853 ,  D06N2211/122

Abstract: Provided is a process for producing a coating on a substrate comprising one or more steps of crushing a dried layer of a foamed aqueous coating composition, wherein the aqueous coating composition comprises a collection of multi-stage copolymer particles having a weight average diameter of 2-20 μm, wherein said multi-stage copolymer particles comprise a core having a glass transition temperature (Tg) of 20° C. or less. Also provided is a coated substrate made by that process.

公开(公告)号：US20170247824A1

公开(公告)日：2017-08-31

申请号：US15505200

申请日：2015-08-19

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Maureen B. Nunn ,  Katherine Sue Rice ,  Debra A. Kline ,  Ian A. Tomlinson

IPC: D04H1/587 ,  A61K8/81 ,  A61Q19/10 ,  A61K8/06 ,  A61K8/02

Abstract: A method for forming a dispersible nonwoven substrate in an aqueous medium comprising, consisting of, or consisting essentially of contacting a fibrous substrate with an aqueous nonwoven binder comprising an emulsion polymer having a polydispersity index of at least 10, a weight average molecular weight of less than 1,000,000 and from 8 weight percent to 22 weight percent acid monomer, based on the weight of the emulsion polymer, is disclosed. The aqueous nonwoven binder can be prepared by a method comprising the steps of: a) emulsion polymerizing at least one mono-ethylenically unsaturated monomer and at least one acid monomer in an aqueous solution using an initiator wherein the initiator is present in the aqueous solution in an amount in the range of from 0.5 weight percent to 1.5 weight percent, based on the total weight of the monomers, to form the emulsion polymer; and b) neutralizing the emulsion polymer with a neutralizer selected from the group consisting of an amine having a pKb of 4 to 7, an alkali hydroxide, and combinations thereof to form the aqueous nonwoven binder. The dispersible nonwoven substrates can be used to produce dispersible wipes, such as baby wipes, personal care wipes, cleaning wipes, or any other wet nonwoven containing lotion having a pH of below 5 or 6.