Alkylene oxide block polymers usable as defoamers
    1.
    发明授权
    Alkylene oxide block polymers usable as defoamers 失效
    可用作消泡剂的环氧烷嵌段聚合物

    公开(公告)号:US4745231A

    公开(公告)日:1988-05-17

    申请号:US893756

    申请日:1986-08-06

    摘要: Block polymers usable as defoamers have the following formula ##STR1## in which R represents a glycerol or polyglycerol function having a degree of polymerization x of from 1 to 6 and the indices y is equal to (x-z+2), z is equal to (x-y+2), a is equal to 1 to 15, b is equal to 50 to 200 c is equal to 1 to 15, d is equal to 20 to 150 and e is equal to 1 to 15, with the proviso that the sums (a+c+e) is equal to 2 to 20, (b+d) is equal to 50 to 250 and (c+e) is equal to 1 to 15, and y has a value of at least 1.The block polymers are prepared by reaction of glycerol or polyglycerol having a degree of polymerization x with ethylene oxide, then with propylene oxide and, finally, again with ethylene oxide, preferably in the presence of alkaline etherification catalysts.

    摘要翻译: 可用作消泡剂的嵌段聚合物具有下式(IMAGE),其中R表示聚合度x为1至6且指数y等于(x-z + 2)的甘油或聚甘油官能团,z等于 至(x-y + 2),a等于1至15,b等于50至200c等于1至15,d等于20至150,e等于1至15,其中 条件是(a + c + e)之和等于2至20,(b + d)等于50至250,(c + e)等于1至15,y至少为 嵌段聚合物通过具有聚合度x与环氧乙烷然后与环氧丙烷的甘油或聚甘油反应制备,最后再次与环氧乙烷反应,优选在碱性醚化催化剂的存在下进行。

    Foam inhibitors for polymer dispersions
    2.
    发明授权
    Foam inhibitors for polymer dispersions 失效
    用于聚合物分散体的泡沫抑制剂

    公开(公告)号:US4981893A

    公开(公告)日:1991-01-01

    申请号:US136237

    申请日:1987-12-21

    CPC分类号: C08F2/30 B01D19/0404

    摘要: Compounds corresponding to the following formulaR.sub.1 --(CH.sub.2).sub.m --O--(CH.sub.2 CH.sub.2).sub.n --R.sub.2in which R.sub.1 is the phenyl radical or a phenyl radical which is substituted by linear or branched alkyl radicals containing a total of from 1 to 18 carbon atoms, R.sub.2 is a C.sub.4 -C.sub.8 alkyl radical, m=0 or 1 and n=3 to 30, are used as dispersants with foam-inhibiting properties in aqueous polymer dispersions and latices.

    摘要翻译: 对应于下式R1-(CH2)mO-(CH2CH2)n-R2的化合物,其中R 1是苯基或被含有总共1至18个碳原子的直链或支链烷基取代的苯基, R2是C4-C8烷基,m = 0或1,n = 3〜30,在聚合物水分散体和胶乳中用作具有泡沫抑制性质的分散剂。

    Mixture of alkyl glucosides and alcohols as foam inhibitors
    4.
    发明授权
    Mixture of alkyl glucosides and alcohols as foam inhibitors 失效
    烷基葡糖苷和醇作为泡沫抑制剂的混合物

    公开(公告)号:US5306442A

    公开(公告)日:1994-04-26

    申请号:US777224

    申请日:1992-01-03

    IPC分类号: B01D19/04 C11D3/00

    摘要: A mixture of C.sub.16 -C.sub.28 alkyl glucosides (A) and C.sub.16 -C.sub.28 fatty alcohols (B) in a weight ratio (A):(B) of between 20:1 and 1:9 possesses foam inhibiting properties even when highly diluted. The mixture is suitable for use in the food industry, and is preferably employed in a chemically inert liquid carrier oil that is immiscible with water.

    摘要翻译: PCT No.PCT / EP90 / 00680 Sec。 371日期:1992年1月3日 102(e)日期1992年1月3日PCT 1990年4月27日PCT PCT。 公开号WO90 / 13345 日期:1990年11月15日。重量比(A):(B)为20:1至1:9之间的C16-C28烷基葡糖苷(A)和C16-C28脂肪醇(B)的混合物具有抑泡作用 性能即使高度稀释。 该混合物适用于食品工业,优选用于与水不混溶的化学惰性液体载体油。

    Low foam surfactant mixtures
    5.
    发明授权
    Low foam surfactant mixtures 失效
    低泡沫表面活性剂混合物

    公开(公告)号:US4780237A

    公开(公告)日:1988-10-25

    申请号:US77257

    申请日:1987-07-24

    摘要: Low-foam or foam-depressing surfactant mixtures based on water-soluble and/or water-emulsifiable polyalkylene glycol ethers of relatively long-chain alcohols containing components I, II and, if desired, III in the quantities indicated:(I) from 20 to 80% by weight of polyethylene glycol ethers corresponding to the following general formulaR.sub.1 --O--(CH.sub.2 CH.sub.2 O).sub.n --R.sub.2 (I) in which R.sub.1 is a straight-chain or branched C.sub.8 -C.sub.18 alkyl or alkenyl radical, R.sub.2 is a C.sub.4 -C.sub.8 alkyl radical and n is a number of from 3 to 7,(II) from 10 to 40% by weight of alkyl polyalkylene glycol mixed ethers corresponding to the following general formula ##STR1## in which R.sub.3 is a straight-chain or branched C.sub.8 -C.sub.18 alkyl radical, x is a number of from 1 to 3 and y is a number of from 3 to 6, and(III) from 0 to 40% by weight of alkyl (poly)propylene glycol ethers corresponding to the following general formula ##STR2## in which R.sub.4 is a straight-chain or branched C.sub.16 -C.sub.22 alkyl or alkenyl radical and z is a number of from 1 to 3.

    摘要翻译: 基于水溶性和/或水可乳化的相对长链醇的聚亚烷基二醇醚的低泡沫或泡沫抑制表面活性剂混合物,其含有组分I,II,如果需要,III为所示量:(I)为20 至80重量%的对应于以下通式的R 1 -O-(CH 2 CH 2 O)n -R 2(I)的聚乙二醇醚,其中R 1是直链或支链C 8 -C 18烷基或烯基,R 2是C 4 -C8烷基,n为3至7,(II)10至40重量%的烷基聚亚烷基二醇混合醚,其对应于下列通式(II),其中R 3为直链 - 链或支链C 8 -C 18烷基,x是1至3的数,y是3至6的数,和(III)0至40重量%的对应于 其中R 4是直链或支链C 16 -C 22烷基或链烯基的以下通式(Ⅰa)(Ⅲ),z是多个 m 1〜3。

    Foam inhibitor mixture
    8.
    发明授权
    Foam inhibitor mixture 失效
    泡沫抑制剂混合物

    公开(公告)号:US4797222A

    公开(公告)日:1989-01-10

    申请号:US039050

    申请日:1987-04-16

    摘要: A foam inhibitor mixture of compounds corresponding to the following formulae: ##STR1## in which R represents a glycerol residue, trimethylol ethane residue, trimethylol propane residue or a polyglycerol residue having a degree of polymerization x of from 2 to 6 and the indices y=(x-z+2), z=(x-y+2), a=1 to 15, b=50 to 250, c=1 to 15, d=50 to 250 and e=1 to 15, with the proviso that the sums (a+c+e)=2 to 20, (b+d)=50 to 250 and (c+e)=1 to 15 and y has a value of at least 1; R.sup.1 represents a straight-chain or branched-chain alkyl or alkenyl radical containing from 8 to 20 C-atoms or an aromatic alkyl radical containing from 12 to 20 C-atoms, R.sup.2 represents an alkyl radical containing from 3 to 8 C-atoms and n is a number of from 4 to 30. The mixture preferably contains from 99 to 70% by weight of the block polymer (I) and from 1 to 30% by weight of the emulsifier (II).

    摘要翻译: 对应于下式的化合物的泡沫抑制剂混合物:其中R表示甘油残基,三羟甲基乙烷残基,三羟甲基丙烷残基或具有聚合度的聚甘油残基的化合物(I)R1O(CH2CH2O)nR2(II) x为2〜6,y =(x-z + 2),z =(x-y + 2),a = 1〜15,b = 50〜250,c = 1〜15,d = 50 至250和e = 1至15,条件是(a + c + e)= 2至20,(b + d)= 50至250和(c + e)= 1至15,y具有 值至少为1; R1表示含有8〜20个碳原子的直链或支链烷基或烯基或含有12〜20个碳原子的芳香族烷基,R2表示含有3〜8个碳原子的烷基, n为4至30的数。混合物优选含有99至70重量%的嵌段聚合物(I)和1至30重量%的乳化剂(II)。

    Sulfosuccinate emulsifiers
    10.
    发明授权
    Sulfosuccinate emulsifiers 失效
    磺基琥珀酸乳化剂

    公开(公告)号:US4250050A

    公开(公告)日:1981-02-10

    申请号:US865881

    申请日:1977-12-30

    摘要: Sulfosuccinic acid derivatives having the formula: ##STR1## wherein R is a member selected from the group consisting of: ##STR2## where R.sub.1 and R.sub.2 are members selected from the group consisting of hydrogen and alkyl having from 1 to 16 carbon atoms, and the sum of the carbon atoms in R.sub.1 and R.sub.2 is from from 9 to 16, R.sub.3 is a member selected from the group consisting of hydrogen and methyl, R.sub.4 is alkyl having 1 to 5 carbon atoms, M.sub.1 and M.sub.2 are cations selected from the group consisting of alkali metals, ammonium, alkylammonium having 1 to 4 carbon atoms in the alkyl and alkylolammonium having 2 to 4 carbon atoms in the alkylol and m is an integer from 1 to 10. These sulfosuccinic acid derivatives are useful as emulsifying agents, particularly in the production of emulsion polymers.

    摘要翻译: 具有下式的磺基琥珀酸衍生物:其中R是选自以下的成员:(1)(2)(3)(4)( 5)和(6)其中R1和R2是选自氢和具有1至16个碳原子的烷基的成员,R1和R2中的碳原子之和为9至16, R3是选自氢和甲基的基团,R4是具有1-5个碳原子的烷基,M1和M2是选自碱金属,铵,烷基中具有1-4个碳原子的烷基铵的阳离子 和在烷醇中具有2至4个碳原子的羟烷基铵,m是1至10的整数。这些磺基琥珀酸衍生物可用作乳化剂,特别是在乳液聚合物的制备中。