Aqueous dispersion of polymers containing polar groups and amide groups
with poly(alkylene oxide)
    1.
    发明授权
    Aqueous dispersion of polymers containing polar groups and amide groups with poly(alkylene oxide) 失效
    含有极性基团和酰胺基团的聚合物与聚(环氧烷)的水分散体

    公开(公告)号:US4248754A

    公开(公告)日:1981-02-03

    申请号:US967254

    申请日:1978-12-05

    摘要: This invention relates to aqueous dispersions of synthetic polymer particles, particularly those used as film-forming media in surface coating compositions.The problem of maintaining under moist conditions the adhesion to a substrate of a film formed from a surface coating composition having such an aqueous dispersion as a film former can be substantially overcome by using a dispersion wherein the film-forming polymer comprises (a) polar groups selected from amine, ureido and thioureido groups (b) a proportion of monomer units derived from acrylamide and methacrylamide, and (c) a proportion of poly(alkylene oxide). The proportions of these components present by weight of the film-forming polymer are at least 0.3% of (a), at least 0.3% of (b), at least 0.5% of (c) and from 1.4-9.0% of (a)+(b)+(c).These aqueous polymer dispersions may be used in interior or exterior surface coatings.

    摘要翻译: 本发明涉及合成聚合物颗粒的水分散体,特别是在表面涂料组合物中用作成膜介质的那些。 在潮湿条件下保持对由具有成膜剂的这种水性分散体的表面涂料组合物形成的膜的基材的粘附性可以通过使用其中成膜聚合物包含(a)极性基团 选自胺,脲基和硫脲基(b)一部分衍生自丙烯酰胺和甲基丙烯酰胺的单体单元,和(c)一部分聚(环氧烷)。 以成膜聚合物的重量存在的这些组分的比例为(a)的至少0.3%,(b)的至少0.3%,(c)的至少0.5%和(a)的1.4-9.0% )+(b)+(c)。 这些聚合物水分散体可用于内表面或外表面涂层。

    Aqueous polymer dispersion
    2.
    发明授权
    Aqueous polymer dispersion 失效
    聚合物水分散体

    公开(公告)号:US4254003A

    公开(公告)日:1981-03-03

    申请号:US929183

    申请日:1978-07-28

    摘要: An aqueous dispersion of polymer particles wherein the polymer comprises both (a) polar groups selected from amine, ureido and thioureido groups, and (b) poly (alkylene oxide) chains covalently bonded to the polymer, the polymer comprising at least 0.1% by weight of (a), at least 0.2% of (b) and from 0.4-9.0% of (a)+(b). Dispersions according to the invention are useful in latex paint compositions, and these compositions exhibit very good moisture resistance properties.

    摘要翻译: 聚合物颗粒的水分散体,其中所述聚合物包含(a)选自胺,脲基和硫脲基的极性基团,和(b)共价键合到聚合物上的聚(环氧烷)链,所述聚合物包含至少0.1重量% (a)的至少0.2%,(b)的至少0.2%和(a)+(b)的0.4-9.0%。 根据本发明的分散体可用于乳胶漆组合物中,并且这些组合物表现出非常好的耐湿性。

    Stable aqueous film-forming dispersions
    3.
    发明授权
    Stable aqueous film-forming dispersions 失效
    稳定的水性成膜分散体

    公开(公告)号:US4413073A

    公开(公告)日:1983-11-01

    申请号:US393405

    申请日:1982-06-29

    摘要: This invention relates to the preparation of stable aqueous dispersions of particles of film-forming polymer, the particles comprising at least one pre-formed polymer and at least one polymer formed in situ ("multi-polymer particles").The inadequate stability exhibited by many previously known film-forming systems based on multi-polymer particles, especially in the presence of co-solvents, may be overcome by preparing the particles in the presence of a stabilizing compound which is an amphipathic compound with a hydrophilic-lipophilic balance (HLB) value of at least 8 and whose lipophilic portion comprises at least one ethylenic double bond.The dispersions of this invention are useful as the film-forming components of coating compositions.

    摘要翻译: 本发明涉及成膜聚合物颗粒的稳定的水分散体的制备,该颗粒包含至少一种预成形聚合物和至少一种原位形成的聚合物(“多聚合物颗粒”)。 许多以前已知的基于多聚合物颗粒的成膜体系(特别是在共溶剂存在下)的不均匀稳定性可以通过在稳定化合物存在下制备颗粒来克服,所述稳定化合物是具有亲水性的两亲性化合物 - 亲液平衡(HLB)值至少为8,并且其亲油部分包含至少一个烯属双键。 本发明的分散体可用作涂料组合物的成膜组分。