CN1412226A - 固化催化剂 - Google Patents

固化催化剂 Download PDF

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Publication number
CN1412226A
CN1412226A CN02143988A CN02143988A CN1412226A CN 1412226 A CN1412226 A CN 1412226A CN 02143988 A CN02143988 A CN 02143988A CN 02143988 A CN02143988 A CN 02143988A CN 1412226 A CN1412226 A CN 1412226A
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bmc
smc
ester
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ethylhexyl
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CN1268676C (zh
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C·S·陈
P·A·卡拉斯
J·M·韦斯特
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Arkema Inc
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Arkema Inc
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F299/00—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers
    • C08F299/02—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates
    • C08F299/04—Macromolecular compounds obtained by interreacting polymers involving only carbon-to-carbon unsaturated bond reactions, in the absence of non-macromolecular monomers from unsaturated polycondensates from polyesters
    • C08F299/0442—Catalysts
    • C08F299/045—Peroxy-compounds

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
  • Reinforced Plastic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polymerisation Methods In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polymerization Catalysts (AREA)

Abstract

本发明提供了过氧碳酸OO－叔戊基－O(2－乙基己基)酯的用途，它用作预制整体模塑料(“BMC”)和片状成型料(“SMC”)的固化催化剂。

Description

固化催化剂
技术领域
本发明涉及过氧碳酸OO-叔戊基-O(2-乙基己)酯的用途，它用作预制整体模塑料(“BMC”)和片状成形料(“SMC”)的固化催化剂。BMC和SMC在汽车、卡车、公共汽车和其它运输、电气和电子应用的零件制造中有广泛的用途。例如对于汽车和卡车，每年有几百万磅SMC投入车身板的制造中，并且每年有几百万磅BMC投入前照灯外壳的制造中。
背景技术
已经使用十小时半衰期温度约97-104℃的有机过氧化物、如十小时半衰期温度为104℃的过苯甲酸叔丁酯作为使这些SMC和BMC固化的催化剂。描述这些成形料及其制备方法的专利包括美国专利4,535,110和4,622,354(SMC)和美国专利4,451,610(BMC)，其说明书引入于本文作为参考。一般的有机过氧化物如果固化时间快且凝胶时间也快，会产生因SMC或BMC没有足够的时间来填充高温的模具而零件不能以快速的成形周期正确成形的问题。因此，需要的是凝胶时间与固化时间之比高的过氧化物，这样SMC或BMC就不会凝胶过快，使模具被完全填充，而且固化迅速，这样就能快速地制成零件了。
发明内容
本发明提供了过氧碳酸OO-叔戊基-O(2-乙基己基)酯的用途，它用作预制整体模塑料(“BMC”)和片状成形料(“SMC”)的固化催化剂。
具体实施方式
如以下实施例所述，现在发现过氧碳酸OO-叔戊基-O(2-乙基己基)酯(十小时半衰期温度为99℃)与其它十小时半衰期温度约97-104℃的有机过氧化物相比，对于SMC或BMC的凝胶时间和固化时间之比更高，使BMC和SMC工业能正确和快速地制造零件。
过氧碳酸OO-叔戊基-O(2-乙基己基)酯的用量是能使BMC或SMC有效固化和凝胶的量，通常约为树脂和单体混合重量的0.25-4重量％。
BMC和SMC组合物是公知的，它们的制造步骤例如述于上述3项专利中。树脂一般是聚酯或乙烯基树脂，而单体的例子是苯乙烯和丙烯酸类。
在以下实施例中，BMC用相同的方法制备，不同的是有机过氧化物是实施例1中的(括号中给出的是以℃计的十小时半衰期温度)过氧碳酸OO-叔戊基-O(2-乙基己基)酯(99)，比较例1中的过苯甲酸叔丁酯(104)、比较例2中的单过氧碳酸OO-叔丁基-O(2-乙基己基)酯(100)、比较例3中的单过氧碳酸OO-叔丁基-O异丙基酯(99)、比较例4中的苯甲酸叔戊酯(100)、比较例5中的过氧化乙酸叔丁酯(102)和比较例6中的叔丁基过甲基苯甲酸酯(97)。制备方法包括将52克不饱和聚酯树脂、32克LP 40(一种来自于Union Carbide的低仿形添加剂，它在苯乙烯中含有40％的聚乙酸乙烯酯)、16克含有40固体％聚甲基丙烯酸甲酯小珠的苯乙烯、2.3克含有5％对苯醌的邻苯二甲酸二甲酯、2.6克含有38％氧化镁的饱和聚酯和2.35克有机过氧化物相混合，然后边加入边混合220克碳酸钙粉末、3克硬脂酸锌和50克Owens Corning 405 AA 英寸的切短玻璃丝束。用SMC橙色剥离膜包裹混合后的物料，将其密封在由SMC橙色剥离膜制成的袋子中，放入带有盖子的派热克斯玻璃储藏容器中，于设为31°F的冰箱中静置两天。然后用Micromet Dielectrometer(Micromet介电测试器)像下述那样测试试样：将微型压模的模温预设为顶板和底板都为300°F；将BMC试样放入微型压模的模腔中；将装置的△频率设为10赫兹；从0-180秒测试各试样；并用Budd Analysis Software Module(Budd分析软件模块)收集和分析数据。对各BMC测量5次。凝胶时间/固化时间比的结果示于表1：
           表1-凝胶时间/固化时间比
    实施例1                              0.56
    比较例1                              0.39
    比较例2                              0.49
    比较例3                              0.41
    比较例4                              0.39
    比较例5                              0.38
    比较例6                              0.42
将过氧碳酸OO-叔戊基-O(2-乙基己基)酯的用量从2.35克增加到3.21克，仍有凝胶时间/固化时间比为0.56的结果。但是，当将其它6种过氧化物的用量调整到使活性氧含量与3.21克过氧碳酸OO-叔戊基-O(2-乙基己基)酯相同时，凝胶时间/固化时间比的范围从只有0.32至0.44。

Claims (1)

1.过氧碳酸OO-叔戊基-O(2-乙基己基)酯作为预制整体模塑料和片状成形料的固化催化剂的应用。
CNB021439885A 2001-10-12 2002-09-30 使固体填充的整体模塑料或片状成形料固化的方法 Expired - Fee Related CN1268676C (zh)

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US09/976,939 US6617388B2 (en) 2001-10-12 2001-10-12 Curing catalyst
US09/976,939 2001-10-12

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CN1268676C CN1268676C (zh) 2006-08-09

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EP (1) EP1302497B1 (zh)
JP (1) JP2003119209A (zh)
CN (1) CN1268676C (zh)
AT (1) ATE347573T1 (zh)
AU (1) AU784075B2 (zh)
BR (1) BR0203382B1 (zh)
DE (1) DE60216551T2 (zh)
DK (1) DK1302497T3 (zh)
ES (1) ES2278869T3 (zh)
HK (1) HK1053137A1 (zh)
MX (1) MXPA02007034A (zh)
PT (1) PT1302497E (zh)

Cited By (1)

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CN115461147A (zh) * 2020-04-30 2022-12-09 广荣化学株式会社 固化催化剂和树脂组合物

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TWI372066B (en) * 2003-10-01 2012-09-11 Wyeth Corp Pantoprazole multiparticulate formulations

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US4451610A (en) * 1979-06-11 1984-05-29 Premix, Inc. Preparation of curable solid polyester resin pellets and powders
US4380605A (en) 1981-09-21 1983-04-19 Pennwalt Corporation Room temperature crosslinking unsaturated polyester resins
US4634753A (en) * 1983-05-20 1987-01-06 Pennwalt Corporation Hydroxy-t-alkyl peroxyester
US4535110A (en) * 1984-06-25 1985-08-13 The Budd Company Dual functional additive
US4636528A (en) 1985-09-26 1987-01-13 Pennwalt Corporation Foaming of unsaturated polyester resin at elevated temperatures
US4622354A (en) * 1985-10-22 1986-11-11 The Budd Company Phase stabilized polyester molding material
US5539012A (en) 1993-08-18 1996-07-23 Loctite Corporation Fiber/resin composites and method of preparation
JPH09227611A (ja) 1996-02-23 1997-09-02 Kayaku Akzo Kk パーオキサイド組成物及びそれを用いる硬化成形法
JP3919894B2 (ja) 1997-09-18 2007-05-30 ジャパンコンポジット株式会社 不飽和ポリエステル樹脂組成物
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CA2305928A1 (en) 1999-04-15 2000-10-15 Elf Atochem North America, Inc. Process for preparation of elastomer modified polymer compositions with enhanced rubber phase volume fraction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115461147A (zh) * 2020-04-30 2022-12-09 广荣化学株式会社 固化催化剂和树脂组合物

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MXPA02007034A (es) 2004-08-11
PT1302497E (pt) 2007-03-30
ATE347573T1 (de) 2006-12-15
CN1268676C (zh) 2006-08-09
DE60216551D1 (de) 2007-01-18
AU784075B2 (en) 2006-02-02
BR0203382B1 (pt) 2012-11-27
HK1053137A1 (en) 2003-10-10
BR0203382A (pt) 2003-09-09
US6617388B2 (en) 2003-09-09
ES2278869T3 (es) 2007-08-16
AU5069402A (en) 2003-04-17
EP1302497B1 (en) 2006-12-06
JP2003119209A (ja) 2003-04-23
DE60216551T2 (de) 2007-10-11
EP1302497A1 (en) 2003-04-16
DK1302497T3 (da) 2007-04-10
US20030073794A1 (en) 2003-04-17

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