CN107794112B - 一种高耐磨铝合金用有机硅脱模剂及制备方法 - Google Patents

一种高耐磨铝合金用有机硅脱模剂及制备方法 Download PDF

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CN107794112B
CN107794112B CN201711028053.4A CN201711028053A CN107794112B CN 107794112 B CN107794112 B CN 107794112B CN 201711028053 A CN201711028053 A CN 201711028053A CN 107794112 B CN107794112 B CN 107794112B
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舒立金
瞿志荣
舒乐
项足来
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Zhejiang Angyang New Material Technology Co ltd
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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    • C10M139/00Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
    • C10M139/04Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00 having a silicon-to-carbon bond, e.g. silanes
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    • C10M2211/00Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions
    • C10M2211/02Organic non-macromolecular compounds containing halogen as ingredients in lubricant compositions containing carbon, hydrogen and halogen only
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    • C10M2227/00Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/04Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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    • C10N2040/36Release agents or mold release agents

Abstract

一种高耐磨铝合金用有机硅脱模剂及制备方法,所述脱模剂包括:6‑10%的1,3,5‑三溴苯,2‑8%的甲基三甲氧基硅烷,0.5‑5%的镁粉,3‑7%的乳化剂,3‑7%的稳定剂,63‑85%的去离子水;所述的制备方法是:步骤1)三取代苯基硅醇的制备;将制得的三取代苯基硅醇和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,50—70℃温度下,2500—3500转/分高速搅拌、乳化20—50分钟,冷却至室温,过滤后即得所要求的脱模剂产品;本发明采用三取代苯基硅醇作为主要成膜物质,具有增加了涂膜的粘结能力,使得涂膜稳定性、耐高温、耐摩擦性能大幅度提升等特点。

Description

一种高耐磨铝合金用有机硅脱模剂及制备方法
技术领域
本发明涉及的是一种高耐磨铝合金用脱模剂及制备方法,属于化工助剂技术领域。
背景技术
脱模剂是一种用在两个彼此易于粘着的物体表面的一个界面涂层,在诸多制造业中制造拥有模型的产品时,为了方便脱模,提高生产效率,保护模具表面的光洁,而使用的一种化学助剂。
目前市场上用的比较多的脱模剂为硅油,但是在某些环氧树脂产品进行固化的时候,由于硅油的粘合性较差,会使得这些产品的边缘出现发泡现象,从而使得产品的尺寸出现偏差。
发明内容
本发明的目的在于克服现有技术存在的不足,而提供一种采用三取代苯基硅醇作为主要成膜物质,增加了涂膜的粘结能力,使得涂膜稳定性、耐高温、耐摩擦性能大幅度提升的高耐磨铝合金用脱模剂及制备方法。
本发明的目的是通过如下技术方案来完成的,一种高耐磨铝合金用有机硅脱模剂,包括如下组份按照重量百分比组成:
Figure GDA0002687171980000011
以上组份以重量百分之百为准。
作为优选:所述的一种高耐磨铝合金用有机硅脱模剂,包括如下组份按照重量百分比组成:
Figure GDA0002687171980000012
一种如上所述高耐磨铝合金用有机硅脱模剂的制备方法,所述的制备方法包括如下步骤:
1)三取代苯基硅醇的制备方法是:在一配有磁力搅拌器的1000ml三口烧瓶中,加入1(1,3,5-三溴苯)及甲基三甲氧基硅烷,在氮气保护下,加入适量碘及镁条,THF,室温搅拌45—100分钟后,将反应体系升温至回流状态,保持12—20小时,过滤,滤液即为化合物3的THF溶液;加入适量K2CO3,水,室温搅拌2—4小时,过滤,减压蒸去溶剂后得4;具体的三取代苯基硅醇的制备反应式如下:
Figure GDA0002687171980000021
2)耐高温持久性有机硅脱模剂的制备方法是:将上述4和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,50—70℃温度下,2500—3500转/分高速搅拌、乳化20—50分钟,冷却至室温,过滤后即得所要求的脱模剂产品。
作为优选:所述的步骤1)中,三取代苯基硅醇的制备方法是:在一配有磁力搅拌器的1000ml三口烧瓶中,加入1(1,3,5-三溴苯)及甲基三甲氧基硅烷,在氮气保护下,加入适量碘及镁条,THF,室温搅拌60分钟后,将反应体系升温至回流状态,保持16小时,过滤,滤液即为化合物3的THF溶液;加入适量K2CO3,水,室温搅拌3小时,过滤,减压蒸去溶剂后得4;
所述的步骤2)中,耐高温持久性有机硅脱模剂的制备方法是:将上述4和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,60℃温度下,3000转/分高速搅拌乳化30分钟,冷却至室温,过滤后即得所要求的脱模剂产品。
本发明采用三取代苯基硅醇作为主要成膜物质,具有增加了涂膜的粘结能力,使得涂膜稳定性、耐高温、耐摩擦性能大幅度提升等特点。
具体实施方式
下面将结合具体实施例对本发明作详细的介绍:本发明所述的一种高耐磨铝合金用有机硅脱模剂,包括如下组份按照重量百分比组成:
Figure GDA0002687171980000022
Figure GDA0002687171980000031
以上组份以重量百分之百为准。
一种如上所述高耐磨铝合金用有机硅脱模剂的制备方法,所述的制备方法包括如下步骤:
1)三取代苯基硅醇的制备方法是:在一配有磁力搅拌器的1000ml三口烧瓶中,加入1(1,3,5-三溴苯)及甲基三甲氧基硅烷,在氮气保护下,加入适量碘及镁条,THF,室温搅拌45—100分钟后,将反应体系升温至回流状态,保持12—20小时,过滤,滤液即为化合物3的THF溶液;加入适量K2CO3,水,室温搅拌2—4小时,过滤,减压蒸去溶剂后得4;具体的三取代苯基硅醇的制备反应式如下:
Figure GDA0002687171980000032
2)耐高温持久性有机硅脱模剂的制备方法是:将上述4和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,50—70℃温度下,2500—3500转/分高速搅拌、乳化20—50分钟,冷却至室温,过滤后即得所要求的脱模剂产品。
实施例1:本发明所述的一种高耐磨铝合金用有机硅脱模剂,包括如下组份按照重量百分比组成:
Figure GDA0002687171980000033
Figure GDA0002687171980000041
一种如上所述高耐磨铝合金用有机硅脱模剂的制备方法,它包括如下步骤:
步骤1)中,三取代苯基硅醇的制备方法是:在一配有磁力搅拌器的1000ml三口烧瓶中,加入1(1,3,5-三溴苯)及甲基三甲氧基硅烷,在氮气保护下,加入适量碘及镁条,THF,室温搅拌60分钟后,将反应体系升温至回流状态,保持16小时,过滤,滤液即为化合物3的THF溶液;加入适量K2CO3,水,室温搅拌3小时,过滤,减压蒸去溶剂后得4;
步骤2)中,耐高温持久性有机硅脱模剂的制备方法是:将上述4和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,60℃温度下,3000转/分高速搅拌乳化30分钟,冷却至室温,过滤后即得所要求的脱模剂产品。
实施例2:本发明所述的一种高耐磨铝合金用有机硅脱模剂,包括如下组份按照重量百分比组成:
Figure GDA0002687171980000042
以上组份以重量百分之百为准。
一种如上所述高耐磨铝合金用有机硅脱模剂的制备方法,所述的制备方法包括如下步骤:
1三取代苯基硅醇的制备方法是:在一配有磁力搅拌器的1000ml三口烧瓶中,加入1(1,3,5-三溴苯)及甲基三甲氧基硅烷,在氮气保护下,加入适量碘及镁条,THF,室温搅拌45分钟后,将反应体系升温至回流状态,保持12小时,过滤,滤液即为化合物3的THF溶液;加入适量K2CO3,水,室温搅拌2小时,过滤,减压蒸去溶剂后得4;
2)耐高温持久性有机硅脱模剂的制备方法是:将上述4和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,50℃温度下,2500转/分高速搅拌、乳化20分钟,冷却至室温,过滤后即得所要求的脱模剂产品。
实施例3:本发明所述的一种高耐磨铝合金用有机硅脱模剂,包括如下组份按照重量百分比组成:
Figure GDA0002687171980000043
Figure GDA0002687171980000051
以上组份以重量百分之百为准。
一种如上所述高耐磨铝合金用有机硅脱模剂的制备方法,所述制备方法包括如下步骤:
1三取代苯基硅醇的制备方法是:在一配有磁力搅拌器的1000ml三口烧瓶中,加入1(1,3,5-三溴苯)及甲基三甲氧基硅烷,在氮气保护下,加入适量碘及镁条,THF,室温搅拌100分钟后,将反应体系升温至回流状态,保持20小时,过滤,滤液即为化合物3的THF溶液;加入适量K2CO3,水,室温搅拌4小时,过滤,减压蒸去溶剂后得4;
2)耐高温持久性有机硅脱模剂的制备方法是:将上述4和苯基三甲氧基硅烷、乳化剂、稳定剂,和去离子水加入到搅拌釜中,70℃温度下,3500转/分高速搅拌、乳化50分钟,冷却至室温,过滤后即得所要求的脱模剂产品。
本发明是一种能够耐受300℃-400℃高温的新型脱模剂,是专门为铝合金压铸脱模、浇铸脱模、制造塑料制品脱模、轮胎成形脱模、工程塑料成形脱模等而研制的一种新型脱模剂,具有在高温、酸碱度条件十分苛刻的环境下仍能正常发挥其优异脱模的性能;产品稳定性好,用途极为广泛。
本发明具有以下功能效果:1、单独使用时能够耐受300℃-400℃。2、使用时无烟,化学成分不被破坏。3、脱模后铸件无发灰现象。4、脱模后对铸件喷涂工艺无任何影响。5、本产品乳化后与其他助剂使用时能够发挥更优异的性能。6、安全,无毒害,对人体无不良影响。

Claims (1)

1.一种高耐磨铝合金用有机硅脱模剂,其特征在于:包括如下组份按照重量百分比组成:
1,3,5-三(甲基二羟基硅基)苯 6.5%,
苯基三甲氧基硅烷 3.0%,
镁粉 1.0%,
乳化剂 5.0%,
稳定剂 5.0%,
去离子水 79.5%,
以上组份以重量百分之百为准。
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