公开(公告)号：US4419465A

公开(公告)日：1983-12-06

申请号：US326619

申请日：1981-12-02

Applicant: Alan J. Backhouse ,  Charles Bromley ,  Morice W. Thompson

Inventor： Alan J. Backhouse ,  Charles Bromley ,  Morice W. Thompson

IPC: C08F2/20 ,  C08F2/44 ,  C08F265/06 ,  C08F291/00 ,  C08J3/09 ,  C08L51/00 ,  C09D151/00 ,  C08L33/02

CPC classification number: C08J3/09 ,  C08F265/06 ,  C08F291/00 ,  Y10S525/902

Abstract: A process is described for making sterically stabilized non-aqueous dispersions of composite polymer microparticles, in which (1) monomers including at least one crosslinking monomer are polymerized in an aqueous medium at a temperature at least 10.degree. higher than the glass transition temperature of the polymer to be formed, in the presence of a block or graft copolymer stabilizing agent, under conditions such that there is at no time present a separate monomer phase, (2) further monomers, not including any crosslinking monomer, are polymerized in the dispersion thus obtained, the presence of a separate monomer phase again being avoided, and (3) the microparticles are transferred from the resulting dispersion into a non-aqueous medium which is a solvent for the non-crosslinked polymer generated in (2). The microparticles are of value for incorporation into coating compositions the main film-forming constituent of which is compatible with the non-crosslinked component of the particles.

公开(公告)号：US4340511A

公开(公告)日：1982-07-20

申请号：US53850

申请日：1979-07-02

Applicant: Alan J. Backhouse ,  Auguste L. Palluel

Inventor： Alan J. Backhouse ,  Auguste L. Palluel

IPC: C08F2/00 ,  C08F2/08 ,  C08F2/20 ,  C08F2/44 ,  C08F220/14 ,  C09D5/00 ,  C09D7/12 ,  C09D133/04 ,  C09D201/00 ,  C08F265/06 ,  C08G81/00 ,  C08L51/08 ,  C08L61/28

CPC classification number: C08F290/061 ,  C08F2/08 ,  C09D151/003 ,  C09D7/125 ,  C08L33/08 ,  C08L33/10

Abstract: Crosslinked addition polymer microparticles are produced by dispersion polymerization of monomers in an aliphatic hydrocarbon liquid in the presence of a dispersion stabilizer and also of a specified type of amino resin which is insoluble in the hydrocarbon liquid, at least one of the monomers polymerized carrying a group which can react with the amino resin under the conditions of polymerization. Coating compositions having improved application characteristics and/or giving improved film properties are obtained by dispersing the microparticles in combinations of suitable film-forming polymers and diluents.

Abstract translation: 交联的加成聚合物微粒是通过在分散稳定剂和不溶于烃液体的特定类型的氨基树脂的存在下在脂肪族烃液体中分散聚合制备的，至少一种携带基团的单体 其可以在聚合条件下与氨基树脂反应。 通过将微粒分散在合适的成膜聚合物和稀释剂的组合中，可获得具有改善的涂布特性和/或提供改善的膜性能的涂料组合物。

公开(公告)号：US4336177A

公开(公告)日：1982-06-22

申请号：US212753

申请日：1980-12-04

Applicant: Alan J. Backhouse ,  Charles Bromley ,  Morice W. Thompson

Inventor： Alan J. Backhouse ,  Charles Bromley ,  Morice W. Thompson

IPC: C08F2/20 ,  C08F2/44 ,  C08F265/06 ,  C08F291/00 ,  C08J3/09 ,  C08L51/00 ,  C09D151/00 ,  C08K5/01

CPC classification number: C08J3/09 ,  C08F265/06 ,  C08F291/00 ,  Y10S525/902

Abstract: A process is described for making sterically stabilized non-aqueous dispersions of composite polymer microparticles, in which (1) monomers including at least one crosslinking monomer are polymerized in an aqueous medium at a temperature at least 10.degree. higher than the glass transition temperature of the polymer to be formed, in the presence of a block or graft copolymer stabilizing agent, under conditions such that there is at no time present a separate monomer phase, (2) further monomers, not including any crosslinking monomer, are polymerized in the dispersion thus obtained, the presence of a separate monomer phase again being avoided, and (3) the microparticles are transferred from the resulting dispersion into a non-aqueous medium which is a solvent for the non-crosslinked polymer generated in (2). The microparticles are of value for incorporation into coating compositions the main film-forming constituent of which is compatible with the non-crosslinked component of the particles.

Abstract translation: 描述了制备复合聚合物微粒的空间稳定的非水分散体的方法，其中（1）包含至少一种交联单体的单体在水性介质中在比玻璃化转变温度高至少10℃的温度下聚合 聚合物在嵌段或接枝共聚物稳定剂存在下，在不存在单独单体相的条件下，（2）不含任何交联单体的其它单体在分散体中聚合，因此 得到的结果，再次避免了单独的单体相的存在，（3）将微粒从所得分散体转移到非水介质中，该非水介质是（2）中生成的非交联聚合物的溶剂。 微粒对于掺入涂料组合物中是有价值的，其主要成膜组分与颗粒的非交联组分相容。