Invention Grant
US09321851B2 Water soluble polymer powder formulation having improved dispersing properties
有权
具有改进的分散性能的水溶性聚合物粉末制剂
- Patent Title: Water soluble polymer powder formulation having improved dispersing properties
- Patent Title (中): 具有改进的分散性能的水溶性聚合物粉末制剂
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Application No.: US13412075Application Date: 2012-03-05
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Publication No.: US09321851B2Publication Date: 2016-04-26
- Inventor: Prachur Bhargava , Glen T. Carroll , Tuyen T. Nguyen , Kostantin A. Vaynberg
- Applicant: Prachur Bhargava , Glen T. Carroll , Tuyen T. Nguyen , Kostantin A. Vaynberg
- Applicant Address: US DE Wilmington
- Assignee: HERCULES INCORPORATED
- Current Assignee: HERCULES INCORPORATED
- Current Assignee Address: US DE Wilmington
- Agency: Dunlap Codding, P.C.
- Agent Shaorong Chen
- Main IPC: C08J3/24
- IPC: C08J3/24 ; C08L1/26 ; C08B15/00 ; C09D101/26 ; C08K5/098 ; C08L1/28 ; C09D101/28 ; C08K5/09 ; C08L33/02
Abstract:
The present invention relates generally to water soluble polymer powder formulations, and more particularly, to a cellulose ether formulation which in powder form is suitable for direct addition to water-based systems to produce smooth, lump free solutions. The cellulose ethers are crosslinked with an aldehyde crosslinker and include a dry weak acid which slows hydrolysis of the hermiacetal linkage formed by the crosslinker. The selected acid does not adversely affect solubility stability.
Public/Granted literature
- US20120247367A1 WATER SOLUBLE POLYMER POWDER FORMULATION HAVING IMPROVED DISPERSING PROPERTIES Public/Granted day:2012-10-04
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