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    • 66. 发明公开
    • SOIL RELEASE POLYMERS
    • 土壤释放聚合物
    • EP2670786A1
    • 2013-12-11
    • EP12700509.8
    • 2012-01-23
    • Unilever PLCUnilever NV
    • CROSSMAN, Martin, CharlesJARVIS, Adam, PeterROGERS, Susanne, HenningWINTER, Jeremy, Nicholas
    • C08G63/66C11D3/00
    • C11D3/3715C08G63/672C11D3/0036
    • A linear soil release polymer with the formula (I): X-[(EO)q-block-(PO)p]-[(A-R1-A-R2)n]-A-R1-A-[(PO)p-block-(EO)q] -X (I) where the linking moieties A are esters, where the R1 moieties are 1,4-phenylene moieties, where the R2 moieties are substituted ethylene moieties having C1-4 alkyl substituents, where the EO blocks are 100% ethylene oxide (CH2CH2O), where the PO blocks are 100% propylene oxide (CH2CH(CH3)O), where p is a number from 11 to 60, preferably from 15 to 50, more preferably from 20 to 40, most preferably from 25 to 35, where q is a number from 6 to 120, preferably 18 to 80, most preferably 40 to 70, provided that q is greater than p and preferably q is at least 1.5 times as large as p, where X is a capping moiety selected from C1-4 alkyl, branched and unbranched, and where n is a number from 2 to 16.
    • (I)的线性去污聚合物:X - [(EO)q-嵌段 - (PO)p] - [(A-R1-A-R2)n] -A-R1-A - [(PO )其中连接部分A为酯,其中R 1部分为1,4-亚苯基部分,其中R 2部分为具有C 1-4烷基取代基的取代的亚乙基部分, 其中EO嵌段为100%环氧乙烷(CH 2 CH 2 O),其中PO嵌段为100%环氧丙烷(CH 2 CH(CH 3)O),其中p为11至60,优选15至50,更优选20 至40,最优选25至35,其中q是6至120,优选18至80,最优选40至70的数,条件是q大于p并且优选q至少为p的至少1.5倍 其中X是选自C 1-4烷基的支链和无支链的封端部分,并且其中n是2至16的数字。