Catalytic compositions containing tetrabutyl titanate and a mixture of
cocatalysts for the preparation of poly(butylene terephthalate)
    1.
    发明授权
    Catalytic compositions containing tetrabutyl titanate and a mixture of cocatalysts for the preparation of poly(butylene terephthalate) 失效
    包含钛酸四丁酯和用于制备聚对苯二甲酸丁二醇酯的助催化剂混合物的催化组合物

    公开(公告)号:US5519108A

    公开(公告)日:1996-05-21

    申请号:US481114

    申请日:1995-06-07

    IPC分类号: C08G63/82 C08G63/02

    CPC分类号: C08G63/82

    摘要: A catalyst composition for use in the preparation of poly(butylene terephthalate) from dimethyl terephthalate, comprising: (a) a titanium compound primary catalyst, from about 0.0005 PHR to about 5 PHR; (b) a first co-catalyst containing at least one of Zn, Co, Mn, Mg, Ca, or Pb series compounds, between about 0.0001 PHR and 5 PHR; and (c) a second co-catalyst containing an alkali metal phosphate, an alkali metal phosphite, an alkali hypophosphite, or an alkali metal polyphosphate between about 0.0001 PHR and 5 PHR; wherein PHR represents parts of the primary catalyst or the co-catalyst per one hundred parts, by weight, of dimethyl terephthalate. Preferred titanium compounds include tetrabutyl titanate or tetra(isopropyl)titanate. Preferred metal compounds for use as first co-catalyst are metal acetates. The alkali metal phosphate can be a phosphate salt containing one, two, or three metal groups; and the alkali metal phosphite can be a phosphite salt containing one or two metal groups. The alkali metal hypophosphite can be a hypophosphite salt containing any number of alkali metal groups. The alkali metal polyphosphate can be a polyphosphate salt containing one, two, three, four, or five alkali metal groups. With this catalyst composition, the rate of polycondensation was increased by 40 percent or more. The catalyst composition is also effective in the preparation of poly(butylene terephthalate) from terephthalic acid.

    摘要翻译: 一种用于从对苯二甲酸二甲酯制备聚(对苯二甲酸丁二醇酯)的催化剂组合物,包括:(a)钛化合物一次催化剂,约0.0005PHR至约5PHR; (b)含有Zn,Co,Mn,Mg,Ca或Pb系化合物中的至少一种的第一助催化剂,约0.0001PHR和5PHR之间; 和(c)含有约0.0001PHR与5PHR之间的碱金属磷酸盐,碱金属亚磷酸盐,碱性次磷酸盐或碱金属多磷酸盐的第二助催化剂; 其中PHR代表每100重量份对苯二甲酸二甲酯的主要催化剂或助催化剂的部分。 优选的钛化合物包括钛酸四丁酯或钛酸四(异丙基)酯。 用作第一助催化剂的优选金属化合物是金属乙酸盐。 碱金属磷酸盐可以是含有一个,两个或三个金属基团的磷酸盐; 碱金属亚磷酸盐可以是含有一个或两个金属基团的亚磷酸盐。 碱金属次磷酸盐可以是含有任何碱金属基团的次亚磷酸盐。 碱金属多磷酸盐可以是含有一个,两个,三个,四个或五个碱金属基团的多磷酸盐。 使用该催化剂组合物,缩聚率提高了40%以上。 催化剂组合物在从对苯二甲酸制备聚对苯二甲酸丁二醇酯时也是有效的。

    Catalytic compositions for the preparation of poly(butylene
terephthalate)
    4.
    发明授权
    Catalytic compositions for the preparation of poly(butylene terephthalate) 失效
    用于制备聚对苯二甲酸丁二醇酯的催化组合物

    公开(公告)号:US5516879A

    公开(公告)日:1996-05-14

    申请号:US413025

    申请日:1995-03-28

    IPC分类号: C08G63/82 C08G63/02

    CPC分类号: C08G63/82

    摘要: A catalyst composition for use in the preparation of poly(butylene terephthalate) from dimethyl terephthalate, comprising: (a) a titanium compound primary catalyst, from about 0.01 PHR to about 1 PHR; and (b) an alkali metal phosphate or alkali metal phosphite co-catalyst, from about 0.001 PHR to about 1 PHR; wherein PHR represents parts of the primary catalyst or the co-catalyst per one hundred parts, by weight, of dimethyl terephthalate. Preferred titanium compounds include tetrabutyl titanate or tetra(isopropyl) titanate; the alkali metal phosphate can be a phosphate salt containing one, two, or three metal groups; and the alkali metal phosphite can be a phosphite salt containing one or two metal groups. With this catalyst composition, the transesterification rate was increased by 10 percent or more. Furthermore, the reaction product poly(butylene terephthalate) shows an increased intrinsic viscosity over those without the co-catalyst, indicating a greater degree of polymerization.

    摘要翻译: 一种用于从对苯二甲酸二甲酯制备聚(对苯二甲酸丁二醇酯)的催化剂组合物,包括:(a)钛化合物一次催化剂,约0.01PHR至约1PHR; 和(b)约0.001PHR至约1PHR的碱金属磷酸盐或碱金属亚磷酸盐助催化剂; 其中PHR代表每100重量份对苯二甲酸二甲酯的主要催化剂或助催化剂的部分。 优选的钛化合物包括钛酸四丁酯或钛酸四(异丙基)酯; 碱金属磷酸盐可以是含有一个,两个或三个金属基团的磷酸盐; 碱金属亚磷酸盐可以是含有一个或两个金属基团的亚磷酸盐。 使用该催化剂组合物,酯交换率提高10%以上。 此外,反应产物聚(对苯二甲酸丁二醇酯)显示出比不含助催化剂的反应产物增加的特性粘度,表明聚合度更高。

    Catalytic compositions for the preparation of poly(ethylene
terephthalate) with improved color
    5.
    发明授权
    Catalytic compositions for the preparation of poly(ethylene terephthalate) with improved color 失效
    用于制备改进颜色的聚对苯二甲酸乙二醇酯的催化组合物

    公开(公告)号:US5623047A

    公开(公告)日:1997-04-22

    申请号:US412784

    申请日:1995-03-28

    CPC分类号: C08G63/82 C08G63/78

    摘要: A catalyst composition for use in a polycondensation reaction for making poly(ethylene terephthalate) from terephthalic acid comprising: (a) an antimony salt catalyst present in a range from about 10 to about 1,000 ppm; (b) a metal salt catalyst of at least one of cobalt, magnesium, zinc, manganese, calcium, and lead, present in a range from about 10 to about 500 ppm; and (c) an alkali metal acetate, present in a range from about 10 to about 500 ppm; all amounts are based on the metallic elements relative to the theoretical yield of the poly(ethylene terephthalate), by weight, to be made from the terephthalic acid. The catalyst composition was found to have increased the reaction rate in the production of poly(ethylene terephthalate), as well as improved the color of the produced product, by reducing the degree of yellowness in the final poly(ethylene terephthalate) product. Attenuation of the yellowish color indicates a reduction in the amount of undesired side reaction product.

    摘要翻译: 一种用于由对苯二甲酸制造聚(对苯二甲酸乙二醇酯)的缩聚反应中使用的催化剂组合物,其包含:(a)约10至约1,000ppm范围内的锑盐催化剂; (b)钴,镁,锌,锰,钙和铅中的至少一种的金属盐催化剂,其存在范围为约10至约500ppm; 和(c)碱金属乙酸盐,其存在量为约10至约500ppm; 相对于由对苯二甲酸制成的聚对苯二甲酸乙二醇酯的理论产率,所有量都是基于金属元素。 发现催化剂组合物通过降低最终的聚(对苯二甲酸乙二醇酯)产品的黄度而增加聚(对苯二甲酸乙二醇酯)的生产中的反应速率,以及改进所生产的产品的颜色。 淡黄色的衰减表示不期望的副反应产物的量的减少。

    Catalytic compositions for the proparation of poly(ethylene
terephthalate) with attenuated yellow color
    6.
    发明授权
    Catalytic compositions for the proparation of poly(ethylene terephthalate) with attenuated yellow color 失效
    用于制备具有减弱的黄色的聚对苯二甲酸乙二醇酯的催化组合物

    公开(公告)号:US5608032A

    公开(公告)日:1997-03-04

    申请号:US413027

    申请日:1995-03-28

    CPC分类号: C08G63/82 C08G63/866

    摘要: A catalyst composition for use in a polycondensation reaction for making poly(ethylene terephthalate) from terephthalic acid comprising: (a) an antimony salt catalyst present in a range from about 10 to about 1,000 ppm; (b) a metal salt catalyst of at least one of cobalt, magnesium, zinc, manganese, calcium, and lead, present in a range from about 10 to about 500 ppm; and (c) a phosphorus salt co-catalyst selected from the group consisting of alkali metal phosphates, alkali metal phosphites, alkali metal hypophosphites and alkali metal polyphosphates, present in a range from about 10 to about 500 ppm; all amounts are based on the metallic or phosphorus element relative to the theoretical yield of the poly(ethylene terephthalate), by weight, to be made from the terephthalic acid. The catalyst composition was found to have increased the reaction rate in the production of poly(ethylene terephthalate), as well as improved the color of the produced product, by reducing the degree of yellowness in the final poly(ethylene terephthalate) product. Attenuation of the yellowish color indicates a reduction in the amount of undesired side reaction product.

    摘要翻译: 一种用于由对苯二甲酸制造聚(对苯二甲酸乙二醇酯)的缩聚反应中使用的催化剂组合物,其包含:(a)约10至约1,000ppm范围内的锑盐催化剂; (b)钴,镁,锌,锰,钙和铅中的至少一种的金属盐催化剂,其存在范围为约10至约500ppm; 和(c)选自碱金属磷酸盐,碱金属亚磷酸盐,碱金属次磷酸盐和碱金属多磷酸盐的磷盐助催化剂,其存在范围为约10至约500ppm; 相对于由对苯二甲酸制成的聚对苯二甲酸乙二醇酯的理论产率,所有量都基于金属或磷元素。 发现催化剂组合物通过降低最终的聚(对苯二甲酸乙二醇酯)产品的黄度而增加聚(对苯二甲酸乙二醇酯)的生产中的反应速率,以及改进所生产的产品的颜色。 淡黄色的衰减表示不期望的副反应产物的量的减少。

    Nylon 6 synthesis with water, alkali metal hypophoshite catalyst and
amine cocatalyst
    7.
    发明授权
    Nylon 6 synthesis with water, alkali metal hypophoshite catalyst and amine cocatalyst 失效
    尼龙6与水合成,碱金属hypophoshite催化剂和胺助催化剂

    公开(公告)号:US5264541A

    公开(公告)日:1993-11-23

    申请号:US948131

    申请日:1992-09-18

    IPC分类号: C08G69/20

    CPC分类号: C08G69/20

    摘要: A method for the polymerization of Nylon 6 from caprolactam and water using a catalyst composition comprising a primary catalyst, which can be an alkali metal hypophosphite or an alkali-earth metal hypophosphite, and an amine cocatalyst. The amine cocatalyst can be selected from the group consisting of phenylene diamines, hindered amines, poly(hindered amines), Group I benzotriazoles, and Group II benzotriazoles. The catalyst composition used in this invention is most useful when used in conjunction with the reactive extrusion technology which requires a very fast polymerization rate to take full advantage of this evolving technology.

    摘要翻译: 使用包含可以是碱金属次磷酸盐或碱土金属次磷酸盐的主催化剂和胺助催化剂的催化剂组合物从己内酰胺和水聚合尼龙6的方法。 胺助催化剂可以选自亚苯基二胺,受阻胺,聚(受阻胺),I组苯并三唑和II组苯并三唑。 当与反应挤出技术结合使用时,本发明中使用的催化剂组合物是最有用的,其需要非常快的聚合速率以充分利用这种演进技术。

    Aqueous preparation of polyamide with catalyst mixture
    9.
    发明授权
    Aqueous preparation of polyamide with catalyst mixture 失效
    用催化剂混合物制备聚酰胺

    公开(公告)号:US5298597A

    公开(公告)日:1994-03-29

    申请号:US948173

    申请日:1992-09-18

    IPC分类号: C08G69/28

    CPC分类号: C08G69/28

    摘要: A polyamide/copolyamide catalyst composition comprising a primary catalyst which comprises an alkali metal hypophosphite or an alkali-earth metal hypophosphite, and a cocatalyst which comprises an organic salt or an inorganic salt. The catalyst composition of this invention is most useful when used in conjunction with the reactive extrusion technology which requires a very fast polymerization rate to take full advantage of this evolving technology.

    摘要翻译: 包含含有碱金属次磷酸盐或碱土金属次磷酸盐的初级催化剂的聚酰胺/共聚酰胺催化剂组合物和包含有机盐或无机盐的助催化剂。 当与反应挤出技术结合使用时,本发明的催化剂组合物是最有用的,其需要非常快的聚合速率以充分利用这种演变技术。

    Catalyst system for polyamide and copolyamide
    10.
    发明授权
    Catalyst system for polyamide and copolyamide 失效
    聚酰胺和共聚酰胺的催化剂体系

    公开(公告)号:US5264406A

    公开(公告)日:1993-11-23

    申请号:US948130

    申请日:1992-09-18

    摘要: A catalyst composition for the polymerization of polyamide/copolyamide comprising a primary catalyst which comprises an alkali metal hypophosphite or an alkali-earth metal hypophosphite, and a cocatalyst which comprises an amine compound. The cocatalyst amine compound is selected from the group consisting of phenylene diamines, hindered amines, poly(hindered amines), and benzotriazoles. The catalyst composition of this invention is most useful when used in conjunction with the reactive extrusion technology which requires a very fast polymerization rate to take full advantage of this evolving technology.

    摘要翻译: 包含含有碱金属次磷酸盐或碱土金属次磷酸盐的初级催化剂的聚酰胺/共聚酰胺聚合用催化剂组合物和包含胺化合物的助催化剂。 助催化剂胺化合物选自亚苯基二胺,受阻胺,聚(受阻胺)和苯并三唑。 当与反应挤出技术结合使用时,本发明的催化剂组合物是最有用的,其需要非常快的聚合速率以充分利用这种演变技术。