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    • 4. 发明授权
    • Silicone stabilizers for rigid polyurethane or polyisocyanurate foams
    • 用于刚性聚氨酯或聚异氰脲酸酯泡沫的硅氧烷稳定剂
    • US08957121B2
    • 2015-02-17
    • US13328135
    • 2011-12-16
    • Carsten SchillerMartin GlosChristian Eilbracht
    • Carsten SchillerMartin GlosChristian Eilbracht
    • C08L75/00C08G77/20C08G77/46C08G18/61C08G18/76C08G18/48C08G77/12C08G101/00
    • C08G77/46C08G18/48C08G18/61C08G18/7664C08G77/12C08G2101/0025C08G2105/02
    • A polyether siloxane of formula (I) R1—Si(CH3)2—O—[-Si(CH3)2—O—]n—[-Si(CH3)R—O—]m—Si(CH3)2—R2  (I) where R, R1 and R2 are the same or different, R in each occurrence is the same or different and represents —(CH2)x—O—(CH2—CR′R″—O)y—R′″, R′ and R″ are the same or different and each represent —H, —CH3, —CH2CH3 or phenyl, R′″ represents —H, alkyl or acyl, R1 and/or R2 each represent methyl or R, wherein the alkylene oxide units (CH2—CR′R″—O) within a polyether residue R can be the same or different and the polyether residues R within a polyether siloxane molecule of formula (I) can be the same or different, wherein on average (number average, averaged over all compounds of formula (I)) n+m+2=>10 to 200, m=0 to 40 for R1 and/or R2 representing R or m=1 to 40 for R1 and R2 representing —CH3, x=2 to 10, y=1 to 50, at least 25% of the R′″ radicals represent hydrogen and at least 50% of all polyether residues R which have an end group R′″=—H have a secondary or tertiary OH end group. The polyether siloxane has almost no primary but overwhelmingly secondary or tertiary OH groups.
    • 式(I)的聚醚硅氧烷R1-Si(CH3)2-O - [ - Si(CH3)2-O-] n - [ - Si(CH3)R-O-] m-Si(CH3)2- R2(I)其中R,R1和R2相同或不同,R在每次出现时相同或不同,表示 - (CH 2)x -O-(CH 2 -CR'R“-O)y -R' ,R'和R“相同或不同,各自表示-H,-CH 3,-CH 2 CH 3或苯基,R”“表示-H,烷基或酰基,R 1和/或R 2各自表示甲基或R”,其中亚烷基 聚醚残基R内的氧化物单元(CH2-CR'R“-O)可以相同或不同,式(I)的聚醚硅氧烷分子内的聚醚残基R可以相同或不同,其中平均(数 对于所有式(I)化合物,n + m + 2 => 10〜200,m = 0〜40,R表示m = 0〜40,R表示m = 1〜40,R 2表示-CH 3, x = 2至10,y = 1至50,至少25%的R'“基团代表氢,并且所有聚醚残基R的至少50%具有 端基R'“= -H具有仲或叔OH端基。 聚醚硅氧烷几乎没有主要但绝大多数是次级或叔OH基团。
    • 6. 发明申请
    • SILICONE STABILIZERS FOR RIGID POLYURETHANE OR POLYISOCYANURATE FOAMS
    • 刚性聚氨酯或聚异氰酸酯纤维素的硅酮稳定剂
    • US20120157558A1
    • 2012-06-21
    • US13328135
    • 2011-12-16
    • Carsten SchillerMartin GlosChristian Eilbracht
    • Carsten SchillerMartin GlosChristian Eilbracht
    • C08L75/00C08G77/20
    • C08G77/46C08G18/48C08G18/61C08G18/7664C08G77/12C08G2101/0025C08G2105/02
    • A polyether siloxane of formula (I) R1—Si(CH3)2—O—[—Si(CH3)2—O—]n—[—Si(CH3)R—O—]m—Si(CH3)2—R2  (I) where R, R1 and R2 are the same or different, R in each occurrence is the same or different and represents —(CH2)x—O—(CH2—CR′R″—O)y—R′″, R′ and R″ are the same or different and each represent —H, —CH3, —CH2CH3 or phenyl, R′″ represents —H, alkyl or acyl, R1 and/or R2 each represent methyl or R, wherein the alkylene oxide units (CH2—CR′R″—O) within a polyether residue R can be the same or different and the polyether residues R within a polyether siloxane molecule of formula (I) can be the same or different, wherein on average (number average, averaged over all compounds of formula (I)) n+m+2=>10 to 200, m=0 to 40 for R1 and/or R2 representing R or m=1 to 40 for R1 and R2 representing —CH3, x=2 to 10, y=1 to 50, at least 25% of the R′″ radicals represent hydrogen and at least 50% of all polyether residues R which have an end group R′″=—H have a secondary or tertiary OH end group. The polyether siloxane has almost no primary but overwhelmingly secondary or tertiary OH groups.
    • 式(I)的聚醚硅氧烷R1-Si(CH3)2-O - [ - Si(CH3)2-O-] n - [ - Si(CH3)R-O-] m-Si(CH3)2- R2(I)其中R,R1和R2相同或不同,R在每次出现时相同或不同,表示 - (CH 2)x -O-(CH 2 -CR'R“-O)y -R' ,R'和R“相同或不同,各自表示-H,-CH 3,-CH 2 CH 3或苯基,R”“表示-H,烷基或酰基,R 1和/或R 2各自表示甲基或R”,其中亚烷基 聚醚残基R内的氧化物单元(CH2-CR'R“-O)可以相同或不同,式(I)的聚醚硅氧烷分子内的聚醚残基R可以相同或不同,其中平均(数 对于所有式(I)化合物,n + m + 2 => 10〜200,m = 0〜40,R表示m = 0〜40,R表示m = 1〜40,R 2表示-CH 3, x = 2至10,y = 1至50,至少25%的R'“基团表示氢和至少50%的所有聚醚残基R,其中 具有末端基团R'“= -H具有仲或叔OH末端基团。 聚醚硅氧烷几乎没有主要但绝大多数是次级或叔OH基团。