CN108929529A - 一种模具材料配方及其制备方法 - Google Patents

一种模具材料配方及其制备方法 Download PDF

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CN108929529A
CN108929529A CN201810762736.0A CN201810762736A CN108929529A CN 108929529 A CN108929529 A CN 108929529A CN 201810762736 A CN201810762736 A CN 201810762736A CN 108929529 A CN108929529 A CN 108929529A
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刘明灿
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QUANZHOU TEMISIGOLD ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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QUANZHOU TEMISIGOLD ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/06—Unsaturated polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
    • C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
    • C08L61/16—Condensation polymers of aldehydes or ketones with phenols only of ketones with phenols
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    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C08L63/10—Epoxy resins modified by unsaturated compounds
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
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    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
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Abstract

本发明具体涉及一种模具材料配方及其制备方法，属于树脂模具材料技术领域，首先将树脂、玻璃微粉、硬脂酸锌和碳酸钙熔融分散后，添加碳酸二甲脂稀释剂来降低树脂的粘度，然后添加交联剂促使树脂和玻璃微粉之间的融合，交联完成后添加硫磷助剂、防沉助剂和平滑剂搅拌均匀混合即得模具材料。本发明相比于现有技术，首先提高了树脂表面的细腻度和韧性度，使模具更不容易崩角开裂，其次产品成本降低，在现有技术的基础上能降低20%左右，最后是收缩率降低，显著地提高了模具的精度。

Description

一种模具材料配方及其制备方法
技术领域
本发明属于树脂模具材料技术领域，具体涉及一种模具材料配方及其制备方法。
背景技术
树脂通常是指受热后有软化或熔融范围，软化时在外力作用下有流动倾向，常温下是固态、半固态，有时也可以是液态的有机聚合物。广义地讲，树脂可以作为塑料制品加工原料的任何高分子化合物都称为树脂的。树脂模具特点主要有优异的流动性，良好的操作性，室温下加入固化剂2%~3%，30分钟内还可操作，2~5小时后就会成型，具有不变形、耐高温、耐酸碱，不膨胀等优点。目前市场上的模具材料特别是模具的模都是用合成树脂制造而成的，存在着表面粗糙，收缩比例大，加工时韧性低容易崩裂，造成报废。
发明内容
（1）技术方案
本发明为了克服现有技术的不足之处，提供一种模具材料配方，包括以下重量份的原料：
树脂220份、玻璃微粉48份、硬脂酸锌20份、碳酸钙50份、硫磷助剂0.5份、防沉助剂0.002份、稀释剂1~20份、平滑剂0.0001份和交联剂2~20份。
进一步地，树脂220份、玻璃微粉48份、硬脂酸锌20份、碳酸钙50份、硫磷助剂0.5份、防沉助剂0.002份、稀释剂10份、平滑剂0.0001份和交联剂10份。
进一步地，所述树脂包括热固性树脂、热塑性树脂；所述热固性树脂包括不饱和聚酯、乙烯基酯、环氧树脂、酚醛树脂、双马来酰亚胺树脂、聚酰亚胺树脂；所述热塑性树脂包括聚丙烯、聚碳酸酯、尼龙、聚醚醚酮、聚醚砜；所述稀释剂为碳酸二甲脂。
本发明提供一种模具材料配方的制备方法，首先将树脂、玻璃微粉、硬脂酸锌和碳酸钙熔融分散后，添加碳酸二甲脂稀释剂来降低树脂的粘度，然后添加交联剂促使树脂和玻璃微粉之间的融合，交联完成后添加硫磷助剂、防沉助剂和平滑剂搅拌均匀混合即得模具材料。
树脂的粘度大会造成固体粉料和树脂之间的相溶性，可能产生大量的气泡附着在工艺表面上，造成沙眼，所以本发明首先就是用稀释剂碳酸二甲脂来降低树脂的粘度，然后加入交联剂，交联剂的主要作用是进一步促使树脂和玻璃微粉之间的融合，因为树脂是有机成分而玻璃微粉属于无机成分，所以需要交联剂把它们进行交联然后加入硫磷剂和防沉助剂。首先稀释剂碳酸二甲脂是一种成本相对较低的材料，其次它能有效的降低树脂的粘度，能提高填充量，降低成本促进生产，它能使玻璃微粉添加量提高20%，这样能更好地降低产品的收缩率。交联剂的使用，交联剂是能很好的促进有机物和无机物的融合，使两者之间的孔隙率降低，减少汽泡和沙眼的产生，使模具表面更平滑，更有韧性。
（2）有益效果
本发明的有益效果在于：本发明相比于现有技术，首先提高了树脂表面的细腻度和韧性度，使模具更不容易崩角开裂，其次产品成本降低，在现有技术的基础上能降低20%左右，最后是收缩率降低，显著地提高了模具的精度。
具体实施方式
下面结合实施例对本发明实施例中的技术方案进行进一步清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
实施例一
本实施例提供一种模具材料配方，包括以下重量份的原料：
树脂220份、玻璃微粉48份、硬脂酸锌20份、碳酸钙50份、硫磷助剂0.5份、防沉助剂0.002份、稀释剂10份、平滑剂0.0001份和交联剂10份。首先将树脂、玻璃微粉、硬脂酸锌和碳酸钙熔融分散后，添加碳酸二甲脂稀释剂来降低树脂的粘度，然后添加交联剂促使树脂和玻璃微粉之间的融合，交联完成后添加硫磷助剂、防沉助剂和平滑剂搅拌均匀混合即得模具材料。
以上所述实施例仅表达了本发明的优选实施方式，其描述较为具体和详细，但并不能因此而理解为对本发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形、改进及替代，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (7)

1.一种模具材料配方，其特征在于，包括以下重量份的原料：
树脂220份、玻璃微粉48份、硬脂酸锌20份、碳酸钙50份、硫磷助剂0.5份、防沉助剂0.002份、稀释剂1~20份、平滑剂0.0001份和交联剂2~20份。
2.根据权利要求1所述的模具材料配方，其特征在于，所述树脂包括热固性树脂、热塑性树脂。
3.根据权利要求1所述的模具材料配方，其特征在于，所述热固性树脂包括不饱和聚酯、乙烯基酯、环氧树脂、酚醛树脂、双马来酰亚胺树脂、聚酰亚胺树脂。
4.根据权利要求1所述的模具材料配方，其特征在于，所述热塑性树脂包括聚丙烯、聚碳酸酯、尼龙、聚醚醚酮、聚醚砜。
5.根据权利要求1所述的模具材料配方，其特征在于，所述稀释剂为碳酸二甲脂。
6.根据权利要求1所述的模具材料配方，其特征在于，包括以下重量份的原料：树脂220份、玻璃微粉48份、硬脂酸锌20份、碳酸钙50份、硫磷助剂0.5份、防沉助剂0.002份、稀释剂10份、平滑剂0.0001份和交联剂10份。
7.一种模具材料配方的制备方法，该方法利用权利要求1~7任一原料，其特征在于，首先将树脂、玻璃微粉、硬脂酸锌和碳酸钙熔融分散后，添加碳酸二甲脂稀释剂来降低树脂的粘度，然后添加交联剂促使树脂和玻璃微粉之间的融合，交联完成后添加硫磷助剂、防沉助剂和平滑剂搅拌均匀混合即得模具材料。
CN201810762736.0A 2018-07-12 2018-07-12 一种模具材料配方及其制备方法 Pending CN108929529A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1605457A (zh) * 2003-10-10 2005-04-13 上海杰事杰新材料股份有限公司 热固性－热塑性复合树脂基连续纤维增强复合材料
CN102850707A (zh) * 2012-09-12 2013-01-02 昆山杰明纺织品有限公司 一种用于制备纽扣的树脂材料
CN105504665A (zh) * 2015-12-03 2016-04-20 青岛宏宇环保空调设备有限公司 一种改良型酚醛玻璃钢复合材料

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1605457A (zh) * 2003-10-10 2005-04-13 上海杰事杰新材料股份有限公司 热固性－热塑性复合树脂基连续纤维增强复合材料
CN102850707A (zh) * 2012-09-12 2013-01-02 昆山杰明纺织品有限公司 一种用于制备纽扣的树脂材料
CN105504665A (zh) * 2015-12-03 2016-04-20 青岛宏宇环保空调设备有限公司 一种改良型酚醛玻璃钢复合材料

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Application publication date: 20181204