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公开(公告)号：US20210395556A1
公开(公告)日：2021-12-23
申请号：US17278917
申请日：2019-09-20
IPC分类号： C09D133/08 , C08L33/08 , C08F220/18 , D06N3/00 , D06N3/04 , D04H1/587
摘要： The present disclosure provides an aqueous composition. The aqueous composition includes multi-stage latex polymer particles. The multi-stage latex polymer particles include (A) a first-stage polymer containing (i) an n-methylol functional monomer and (ii) a first vinyl monomer; and (B) a second-stage polymer containing (i) a formaldehyde-scavenging monomer and (ii) a second vinyl monomer. The first-stage polymer is bound to the second-stage polymer.
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公开(公告)号：US20170298212A1
公开(公告)日：2017-10-19
申请号：US15319554
申请日：2015-06-17
CPC分类号： C08L23/06 , A01G9/1438 , C08J5/18 , C08J2323/06 , C08J2357/06 , C08L23/00 , C08L2201/10 , C08L2203/16 , C08L2205/22 , C08L2207/066 , C08L33/00
摘要： This invention relates to a polymeric composition suitable for greenhouse film applications, and greenhouse films made therefrom. The polymeric composition suitable for greenhouse film applications according to the present invention comprises a) 50 to 99 percent by weight of a continuous polymeric phase comprising a polymer selected from the group consisting of a polyolefin, a polyolefin copolymer, an ethylene propylene copolymer with an acrylic ester, an ethylene or propylene copolymer with a vinyl acetate, and combinations thereof; and b) 1 to 50 percent by weight of polymeric particles having an average particle diameter of 0.5 to 10 μm; a refractive index from 1.474 to 1.545; an average particle hardness from 1.2367E+10 N/m2 to 8.4617E+10 N/m2; and at least 60% polymerized acrylic monomer units.
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公开(公告)号：US20180223026A1
公开(公告)日：2018-08-09
申请号：US15749392
申请日：2016-05-31
发明人： Edward E. LaFleur , Himal Ray , Edwin Nungesser
IPC分类号： C08F265/06 , C08F2/22 , C08F220/18
CPC分类号： C08F265/06 , C08F2/22 , C08F220/18 , C08F2220/1825 , C08F2500/02 , C08F2500/05 , C08F2500/24 , C08F2/24
摘要： A process for making preseed particles comprising, consisting of, or consisting essentially of the steps of: mixing initial seed latex particles; a monomer mixture comprising at least one monomer and at least one copolymerizable surfactant, at least one initiator and a chain transfer agent, is disclosed. The preseed particles, a monomer mixture comprising at least one monomer and at least one copolymerizable surfactant, and at least one initiator can then be mixed to form oligomer seed particles. The oligomer seed particles can be used to produce acrylic beads.
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