CN107090334A - 一种耐高温脱模剂的制备方法 - Google Patents

一种耐高温脱模剂的制备方法 Download PDF

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CN107090334A
CN107090334A CN201710285938.6A CN201710285938A CN107090334A CN 107090334 A CN107090334 A CN 107090334A CN 201710285938 A CN201710285938 A CN 201710285938A CN 107090334 A CN107090334 A CN 107090334A
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releasing agent
methyl
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张玲
王新
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Shanghai Yushiro Chemical Industry Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C3/00—Selection of compositions for coating the surfaces of moulds, cores, or patterns
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/044—Siloxanes with specific structure containing silicon-to-hydrogen bonds
    • C10M2229/0445—Siloxanes with specific structure containing silicon-to-hydrogen bonds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/048—Siloxanes with specific structure containing carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/05—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon
    • C10M2229/051—Siloxanes with specific structure containing atoms other than silicon, hydrogen, oxygen or carbon containing halogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/36—Release agents or mold release agents

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Oil, Petroleum & Natural Gas (AREA)
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  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
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Abstract

本发明提供了一种耐高温脱模剂的制备方法：将甲基含氢硅油，聚酯改性含羟基官能团聚二甲基硅氧烷，聚（甲基‑3,3,5‑三氟丙基硅氧烷），2‑氨基‑5‑甲基‑1,3,4‑噻二唑，聚氧乙烯山梨醇酐单油酸酯加入分散釜中，搅拌，即得耐高温脱模剂产品。

Description

一种耐高温脱模剂的制备方法
技术领域
本发明涉及一种脱模剂的制备方法，特别是一种耐高温脱模剂的制备方法。
背景技术
脱模剂是一种介于模具和成品之间的功能性物质。脱模剂有耐化学性，在与不同树脂的化学成份（特别是苯乙烯和胺类）接触时不被溶解。脱模剂还具有耐热及应力性能，不易分解或磨损；脱模剂粘合到模具上而不转移到被加工的制件上，不妨碍喷漆或其他二次加工操作。由于注塑、挤出、压延、模压、层压等工艺的迅速发展，脱模剂的用量也大幅度地提高。金属或合金制造的铸件，尤其是体积较大类的铸件，所需要的压铸温度相对较高，因此耐高温脱模剂在此类产品生产过程中起着相当关键的作用。
CN104889314A 公开了一种耐热脱模剂，由以下质量百分比的原料配方组分组成:100-150份氨基改性有机硅油、100-150份聚乙烯醇、50-100份甘油、50-80份石蜡、50-80份琼脂、80-100份硬脂酸甘油酯、20-30份草酸、15-20份硫酸钠、10-15份十二烷基苯磺酸钠、8-10份月桂醇硫酸钠、10-15份聚二甲基硅氧烷、400-450份纯净水。
CN 101152662 公开了一种应用于铝合金等压铸工业的脱模剂,特别涉及一种耐热脱模剂,它包含有混合于水乳液中的重量百分比为0.1-50%的多聚酸。产品可作为适合大型、复杂和极端复杂的高端(高价位)铝合金等压铸脱模剂使用。
现有的耐高温脱模剂，大多具有可存放时间短，容易产生分层现象，涂层可使用次数少的缺陷，因此，研发一种新型耐高温脱模剂完善这些缺点是十分有必要的。
发明内容
本发明目的在于解决现有技术中存在的上述技术问题，提供一种耐高温脱模剂。
本发明所述的一种耐高温脱模剂，主要通过以下步骤实现：
按重量份计，将甲基含氢硅油100份，聚酯改性含羟基官能团聚二甲基硅氧烷5-8份，聚（甲基-3,3,5-三氟丙基硅氧烷）0.1-1份，2-氨基-5-甲基-1,3,4-噻二唑0.01-0.1份，聚氧乙烯山梨醇酐单油酸酯1-10份加入分散釜中，在1500rpm转速下搅拌0.5-2h，即得耐高温脱模剂产品。
所述甲基含氢硅油为市售产品，如浙江创基有机硅材料有限公司生产的产品；聚酯改性含羟基官能团聚二甲基硅氧烷为市售产品，如杭州包尔得有机硅有限公司生产的产品；聚（甲基-3,3,5-三氟丙基硅氧烷）为市售产品，如湖北巨胜科技有限公司生产的产品；2-氨基-5-甲基-1,3,4-噻二唑为市售产品，如湖北邦盛化工有限公司生产的产品；2-氨基-5-甲基-1,3,4-噻二唑为市售产品，如南通谦和化工专业生产有限公司生产的产品。
与现有技术相比，本发明的橡胶脱模剂，具有以下有益效果：
本产品具有优良的耐热性，可以适应精密的金属等高温压铸环节的要求；易于保存，稳定性强；在保证产品表面光滑合格的前提下，脱模剂涂层可使用20次以上。
具体实施方式
以下实例仅仅是进一步说明本发明，并不是限制本发明保护的范围。
实施例1
在1000L分散釜中，加入甲基含氢硅油100Kg，聚酯改性含羟基官能团聚二甲基硅氧烷6Kg，聚（甲基-3,3,5-三氟丙基硅氧烷）0.5Kg，2-氨基-5-甲基-1,3,4-噻二唑0.05Kg，聚氧乙烯山梨醇酐单油酸酯5Kg，在1500rpm转速下搅拌1h，即得耐高温脱模剂产品。产品编号M-1。
实施例2
在1000L分散釜中，加入甲基含氢硅油100Kg，聚酯改性含羟基官能团聚二甲基硅氧烷5Kg，聚（甲基-3,3,5-三氟丙基硅氧烷）0.1Kg，2-氨基-5-甲基-1,3,4-噻二唑0.01Kg，聚氧乙烯山梨醇酐单油酸酯1Kg，在1500rpm转速下搅拌0.5h，即得耐高温脱模剂产品。产品编号M-2。
实施例3
在1000L分散釜中，加入甲基含氢硅油100Kg，聚酯改性含羟基官能团聚二甲基硅氧烷8Kg，聚（甲基-3,3,5-三氟丙基硅氧烷）1Kg，2-氨基-5-甲基-1,3,4-噻二唑0.1Kg，聚氧乙烯山梨醇酐单油酸酯10Kg，在1500rpm转速下搅拌2h，即得耐高温脱模剂产品。产品编号M-3。
对比例1
不加入聚（甲基-3,3,5-三氟丙基硅氧烷），其他条件同实施例1。产品编号M-4。
对比例2
不加入2-氨基-5-甲基-1,3,4-噻二唑，其他条件同实施例1。产品编号M-5。
对比例3
不加入聚氧乙烯山梨醇酐单油酸酯，其他条件同实施例1。产品编号M-6。
实施例4
将实施例1-3和对比例1-3所生产出的脱模剂产品涂膜于金属模具上，然后于120℃温度下固化0.5h，检测不同工艺生产出的脱模剂产品涂膜的热稳定性，光泽程度，见表1。
表1：不同工艺生产出的脱模剂产品涂膜的性质
编号 分解温度/℃ 光泽程度
M-1 434 无可见粗糙部分
M-2 425 无可见粗糙部分
M-3 447 无可见粗糙部分
M-4 402 有数处小面积粗糙部分
M-5 398 有数处小面积粗糙部分
M-6 385 有多处小面积粗糙部分

Claims (2)

1.一种耐高温脱模剂的制备方法，其特征在于包括以下组份：
组分 重量份
甲基含氢硅油 100
聚酯改性含羟基官能团聚二甲基硅氧烷 5-8
聚（甲基-3,3,5-三氟丙基硅氧烷） 0.1-1
2-氨基-5-甲基-1,3,4-噻二唑 0.01-0.1
聚氧乙烯山梨醇酐单油酸酯 1-10。
2.一种耐高温脱模剂的制备方法，其特征在于包括以下步骤：
按重量份计，将甲基含氢硅油100份，聚酯改性含羟基官能团聚二甲基硅氧烷5-8份，聚（甲基-3,3,5-三氟丙基硅氧烷）0.1-1份，2-氨基-5-甲基-1,3,4-噻二唑0.01-0.1份，聚氧乙烯山梨醇酐单油酸酯1-10份加入分散釜中，在1500rpm转速下搅拌0.5-2h，即得耐高温脱模剂产品。
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109501074A (zh) * 2017-09-14 2019-03-22 衢州市中通化工有限公司 一种氟碳脱模剂的制备方法
CN111633885A (zh) * 2020-06-12 2020-09-08 欧士曼(台州)高分子科技有限公司 一种耐高温橡胶脱模剂及其制备方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102399447A (zh) * 2011-09-19 2012-04-04 中国科学院化学研究所 非粘结型耐高温有机硅密封剂及其制备方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102399447A (zh) * 2011-09-19 2012-04-04 中国科学院化学研究所 非粘结型耐高温有机硅密封剂及其制备方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109501074A (zh) * 2017-09-14 2019-03-22 衢州市中通化工有限公司 一种氟碳脱模剂的制备方法
CN109501074B (zh) * 2017-09-14 2020-10-02 衢州市中通化工有限公司 一种氟碳脱模剂的制备方法
CN111633885A (zh) * 2020-06-12 2020-09-08 欧士曼(台州)高分子科技有限公司 一种耐高温橡胶脱模剂及其制备方法

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