Production of polymer emulsions
    1.
    发明授权
    Production of polymer emulsions 失效
    生产聚合物乳液

    公开(公告)号:US6017992A

    公开(公告)日:2000-01-25

    申请号:US107505

    申请日:1998-06-30

    CPC分类号: C08F265/02

    摘要: Process for the production of an aqueous polymer emulsion which process comprises:a) preparing a low molecular weight polymer containing acid-functional groups using a free-radical polymerisation process which employs a free-radical initiator and, for the purpose of controlling molecular weight, a transition metal chelate complex, wherein said low molecular weight polymer has a number average molecular weight within the range of from 500 to 50,000;b) conducting an aqueous emulsion polymerisation process to form an aqueous emulsion of a hydrophobic polymer from at least one olefinically unsaturated monomer, wherein the low molecular weight polymer of step a) is introduced to the aqueous medium of said emulsion polymerisation process before the start of and/or during said emulsion polymerisation process and becomes dissolved or dispersed in said aqueous medium.

    摘要翻译: 制备含水聚合物乳液的方法,该方法包括:a)使用自由基聚合方法制备含有酸官能团的低分子量聚合物,其使用自由基引发剂,并且为了控制分子量, 过渡金属螯合络合物,其中所述低分子量聚合物的数均分子量在500至50,000的范围内; b)进行水性乳液聚合方法以形成来自至少一种烯属不饱和单体的疏水性聚合物的水性乳液,其中步骤a)的低分子量聚合物在开始之前被引入所述乳液聚合方法的水性介质中 和/或在所述乳液聚合过程期间溶解或分散在所述水性介质中。

    Production of polymer emulsions
    2.
    发明授权
    Production of polymer emulsions 失效
    生产聚合物乳液

    公开(公告)号:US5804632A

    公开(公告)日:1998-09-08

    申请号:US591442

    申请日:1996-01-29

    CPC分类号: C08F265/02

    摘要: Process for the production of an aqueous polymer emulsion which process comprises: a) preparing a low molecular weight polymer containing acid-functional groups using a free-radical polymerisation process which employs a free-radical initiator and, for the purpose of controlling molecular weight, a transition metal chelate complex, wherein said low molecular weight polymer has a number average molecular weight within the range of from 500 to 50,000; b) conducting an aqueous emulsion polymerisation process to form an aqueous emulsion of a hydrophobic polymer from at least one olefinically unsaturated monomer, wherein the low molecular weight polymer of step a) is introduced to the aqueous medium of said emulsion polymerisation process before the start of and/or during said emulsion polymerisation process and becomes dissolved or dispersed in said aqueous medium.

    摘要翻译: PCT No.PCT / GB94 / 01692 Sec。 371日期1996年1月29日 102(e)日期1996年1月29日PCT 1994年8月2日PCT公布。 WO95 / 04767 PCT出版物 日期1995年2月16日制备含水聚合物乳液的方法,该方法包括:a)使用采用自由基引发剂的自由基聚合方法制备含有酸官能团的低分子量聚合物,为此目的 控制分子量的过渡金属螯合络合物,其中所述低分子量聚合物的数均分子量在500至50,000的范围内; b)进行水性乳液聚合方法以形成来自至少一种烯属不饱和单体的疏水性聚合物的水性乳液,其中步骤a)的低分子量聚合物在开始之前被引入所述乳液聚合方法的水性介质中 和/或在所述乳液聚合过程期间溶解或分散在所述水性介质中。

    Aqueous crosslinkable coating compositions
    4.
    发明授权
    Aqueous crosslinkable coating compositions 失效
    水性交联涂料组合物

    公开(公告)号:US06395827B1

    公开(公告)日:2002-05-28

    申请号:US09402586

    申请日:1999-11-22

    IPC分类号: C08F800

    CPC分类号: C08G18/6254

    摘要: An aqueous crosslinkable coating composition suitable for the provision of thick coatings without incurring carbon dioxide bubble formation comprising: (A) an aqueous dispersion of at least one hydroxyl- and acid-functional vinyl polymer having a hydroxyl value of 8 to 250 mg KOH/g of polymer and an acid value of 2 to 55 mg KOH/g of polymer, where the contribution of at least 30% of the acid value results from a monocarboxylic acid(s) of formula: CH2—CR1—Q—CO2H  (1) where R1 is H or lower alkyl of 1 to 5 carbon atoms and Q is a spacer group of formula: [—C(═O)—X—(CH2)m—]k  (2) where X is —O— or —NH—, m is at least 1, preferably 2 or 3, and k is at least 1, preferably 2, 3, 4 or 5; and (B) at least one organic polyisocyanate. The acid of formula (1) preferably comprises &bgr;-carboxyethyl acrylate.

    摘要翻译: 适用于提供厚涂层而不引起二氧化碳气泡形成的水性可交联涂料组合物,其包含:(A)羟基值为8至250mg KOH / g的至少一种羟基和酸官能的乙烯基聚合物的水分散体 的聚合物,酸值为2至55mg KOH / g聚合物,其中至少30%酸值的贡献来自下式的单羧酸:其中R 1为H或低级烷基为1至 5个碳原子,Q是下式的间隔基:其中X是-O-或-NH-,m是至少1,优选2或3,k是至少1,优选2,3,4或5; 和(B)至少一种有机多异氰酸酯。 式(1)的酸优选包含丙烯酸β-羧乙酯。

    Method of grafting
    7.
    发明授权
    Method of grafting 失效
    接枝方法

    公开(公告)号:US5981642A

    公开(公告)日:1999-11-09

    申请号:US849907

    申请日:1997-08-05

    CPC分类号: C08F290/141 C08F291/00

    摘要: Method of grafting a water-soluble organic oligomer(s) to an organic polymer(s) in aqueous latex form, which method comprises forming a water-based mixture of a water-soluble oligomer(s), an aqueous latex of a polymer(s), and at least one free radical polymerisable monomer, both of said oligomer(s) and polymer(s) being preformed, and carrying out free radical polymerisation of said at least one monomer to effect grafting between said oligomer(s) and said polymer(s).

    摘要翻译: PCT No.PCT / EP95 / 05021 Sec。 371日期:1997年8月5日 102(e)日期1997年8月5日PCT 1995年12月19日PCT PCT。 出版物WO96 / 日期1996年6月27日将水溶性有机低聚物以水性胶乳形式接枝到有机聚合物的方法,该方法包括形成水溶性低聚物的水基混合物, 聚合物的胶乳和至少一种可自由基聚合的单体,所述低聚物和聚合物都被预先形成,并且进行所述至少一种单体的自由基聚合以实现所述低聚物之间的接枝 (s)和所述聚合物。

    Production of aqueous polymer compositions
    8.
    发明授权
    Production of aqueous polymer compositions 失效
    含水聚合物组合物的生产

    公开(公告)号:US5859112A

    公开(公告)日:1999-01-12

    申请号:US737043

    申请日:1996-11-01

    摘要: Process for making organic solvent-free aqueous crosslinkable polymer composition comprising: a) preparing an aqueous solution of an acid-functional olgiomer with Tg below 50.degree. C. and having crosslinker functional groups; b) conducting an aqueous emulsion polymerisation to make an aqueous emulsion of an olefinic hydrophobic polymer in the presence of the aqueous oligomer solution, the hydrophobic polymer having Tg at least 25.degree. C. higher than that of the oligomer and optionally crosslinker functional groups, and c) combining with a crosslinking agent reactable with the crosslinker groups of the oligomer and polymer, said composition having Koenig hardness of .gtoreq.40 sec and minimum film forming temperature (MFFT).ltoreq.55.degree. C. Also the aqueous composition so formed and its use in various applications. The aqueous composition has excellent properties and in particular an advantageous balance of MFFT and Koenig hardness.

    摘要翻译: PCT No.PCT / GB95 / 00948 Sec。 371日期:1996年11月1日 102(e)1996年11月1日PCT PCT 1995年4月27日PCT公布。 WO95 / 29944 PCT公开号 日期1995年11月9日制备无溶剂的含水交联性聚合物组合物的方法,包括:a)制备Tg低于50℃并具有交联剂官能团的酸官能醇的水溶液; b)进行水乳液聚合以在低聚物溶液存在下制备烯属疏水聚合物的水性乳液,所述疏水性聚合物的Tg比低聚物和任选的交联剂官能团的Tg高至少25℃;以及 c)与可与低聚物和聚合物的交联剂基团反应的交联剂组合,所述组合物具有> / = 40秒的Koenig硬度和最低成膜温度(MFFT)<55℃。此外,如此形成的水性组合物 并在各种应用中使用。 水性组合物具有优异的性能,特别是MFFT和Koenig硬度的有利平衡。

    Epoxy compounds for use as components of aqueous coating compositions
    10.
    发明授权
    Epoxy compounds for use as components of aqueous coating compositions 失效
    用作水性涂料组合物组分的环氧化合物

    公开(公告)号:US5674965A

    公开(公告)日:1997-10-07

    申请号:US440361

    申请日:1995-05-12

    摘要: A compound of Formula (1): ##STR1## wherein: X is E--(L.sup.4 O).sub.m --CO--(T).sub.p ; Y is --Si(R.sup.1).sub.3 or X as defined above; T is O, CH.sub.2 or NR.sup.2 ; P is 0 or 1; q is 0, 1, 2, 3 or 4; E comprises an alicyclic or aliphatic epoxy group; each L.sup.1, L.sup.2, L.sup.3 and L.sup.4 independently is an unsubstituted or substituted alkylene group of 1 to 6 carbon atoms wherein any substitution is selected from methyl, amino, ester, hydroxy and ester groups; m is 0 or 1; each R.sup.1 when Y is --Si(R.sup.1).sub.3 is independently unsubstituted alkyl or substituted alkoxy provided that at least one R.sup.1 is unsubstituted alkoxy; and each R.sup.2 independently is H, --L.sup.1 X unsubstituted or substituted alkyl wherein any substitution is selected from poly(oxyalkylene), epoxy and hydrolyzable silyl groups, or --CONH(C.sub.1-20 -alkyl). The compounds are useful in coating compositions and films and coatings formed therefrom.

    摘要翻译: (1)的化合物:其中:X是E-(L4O)m -CO-(T)p; Y是如上定义的-Si(R1)3或X; T是O,CH 2或NR 2; P为0或1; q是0,1,2,3或4; E包括脂环族或脂族环氧基; 每个L1,L2,L3和L4独立地是1至6个碳原子的未取代或取代的亚烷基,其中任何取代选自甲基,氨基,酯,羟基和酯基; m为0或1; 当Y是-Si(R 1)3时,每个R 1独立地是未取代的烷基或取代的烷氧基,条件是至少一个R 1是未经取代的烷氧基; 每个R 2独立地是H,-L 1 X未取代或取代的烷基,其中任何取代选自聚(氧化烯),环氧和可水解甲硅烷基,或-CONH(C 1-20烷基)。 这些化合物可用于涂料组合物和由其形成的膜和涂料。