Invention Grant
- Patent Title: Cold water soluble polymer films for packaging highly alkaline detergents
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Application No.: US16629370Application Date: 2018-06-19
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Publication No.: US11485873B2Publication Date: 2022-11-01
- Inventor: Afua Sarpong Karikari , Michael C. Mitchell , Marianne Creamer , Nilesh Shah
- Applicant: Rohm and Haas Company , Dow Global Technologies LLC
- Applicant Address: US PA Collegeville; US MI Midland
- Assignee: Rohm and Haas Company,Dow Global Technologies LLC
- Current Assignee: Rohm and Haas Company,Dow Global Technologies LLC
- Current Assignee Address: US PA Collegeville; US MI Midland
- Agent Kenneth Crimaldi
- International Application: PCT/US2018/038143 WO 20180619
- International Announcement: WO2019/018092 WO 20190124
- Main IPC: C09D133/08
- IPC: C09D133/08 ; C08F220/18 ; C08F220/28 ; C08F18/02 ; C08F220/06 ; C08F220/14 ; C08F220/20 ; C08L39/06 ; C08L71/02 ; C11D17/04

Abstract:
A film: (a) 50 to 85 wt % polymer comprising: (i) 30 to 70 wt % hard polymer with Tg from 40 to 70° C. and 40 to 80 wt % (C1-C10)alkyl (meth)acrylate; 10 to 40 wt % C3-C8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; and (ii) 30 to 70 wt % soft polymer with Tg from −20 to 20 ° C. and 50 to 90 wt % (C1-C10)alkyl (meth)acrylate; 5 to 30 wt % C3-C8 carboxylic acid; and 0 to 25 wt % hydroxyalkyl (meth)acrylate; hard Tg minus soft Tg is at least 30° C.; (iii) 0 to 10 wt %, of (C12-C24)alkyl (meth)acrylate polymer containing crystallizable portion with Tm from 0° C. to 37° C.; (b) 10 to 40 wt % of polyethylene oxide having Mw from 250,000 to 4,000,000; and (c) 0 to 10 wt % of poly(vinylpyrrolidone) having Mw from 25,000 to 2,000,000.
Public/Granted literature
- US20210130519A1 COLD WATER SOLUBLE POLYMER FILMS FOR PACKAGING HIGHLY ALKALINE DETERGENTS Public/Granted day:2021-05-06
Information query
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