发明名称 |
POLYUREA MACROMER AND LATEXES THEREOF |
摘要 |
The present invention is a composition comprising a) a stable aqueous dispersion of polymer particles having one or more structural units of i) a polyurea macromer; and ii) an acrylate, a methacrylate, a vinyl ester, or a styrene monomer, or a combination thereof; and/or b) an aqueous mixture of a i) polyurea macromer polymer particles; and b) acrylate, methacrylate, vinyl ester, or styrenic polymer particles, or a combination thereof, wherein the polyurea macromer is characterized by the following formula I:;;where A1, A2, R1, R2, and R3 are as defined herein. In another aspect, the present invention is the compound of Formula I.;Compositions prepared using the compound of the present invention can be used to form coatings with excellent balance of low temperature film formation, hardness, and flexibility. |
申请公布号 |
US2014350178(A1) |
申请公布日期 |
2014.11.27 |
申请号 |
US201414281944 |
申请日期 |
2014.05.20 |
申请人 |
Rohm and Haas Company ;Dow Global Technologies LLC |
发明人 |
Cardoen Gregoire;Drake Ian J.;Even Ralph C.;Hughes Andrew;Zhang Tianlan;Kalantar Thomas H. |
分类号 |
C08G18/83;C08G18/75;C08G18/76;C08L75/02;C08G18/38 |
主分类号 |
C08G18/83 |
代理机构 |
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代理人 |
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主权项 |
1. A compound of the following formula I: wherein n is 1 to 20; R1, R2, and R3 are each independently a C2-C20 alkanediyl group, a C3-C20 cycloalkanediyl group, a C6-C20 arenediyl group, or a C7-C20 aralkanediyl group; X and Y are independently O or NR4, wherein R4 is H or C1-C6-alkyl, with the proviso that at least one of X and Y is NH; at least one of A1 and A2 is —C(O)—(Z)m—R5; —CH2—CH(OH)R6; —CR7═CH—C(O)—O—(CH2)pR8; —C(O)—Y′—(CH2)pR9; or CH2—CH2—C(O)—O—R10; wherein each R5 is independently a C2-C20 alkyl group, a C3-C20 cycloalkyl group, a C6-C20 aryl group, or a C7-C20 aralkyl group, with the proviso that at least one R5 is functionalized with a carboxylic acid group or a polymerizable olefin group or both; each R6 is independently —CH2-acrylate, —CH2-methacrylate, or —(CH2)p—COOH; each R7 is independently H or CH3; each R8 is independently an acrylate group, a methacrylate group, or COOH; each R9 is independently an acrylate group or a methacrylate group; each R10 is independently H or —CH2CH═CH2; Y′ is O or NR4; m is 0 or 1; each p is independently from 2 to 6; and the compound has an Mn in the range of 500 to 8,000 Daltons. |
地址 |
Philadelphia PA US |