CN108424603A - 一种有机玻璃加工工艺 - Google Patents

一种有机玻璃加工工艺 Download PDF

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CN108424603A
CN108424603A CN201810216494.5A CN201810216494A CN108424603A CN 108424603 A CN108424603 A CN 108424603A CN 201810216494 A CN201810216494 A CN 201810216494A CN 108424603 A CN108424603 A CN 108424603A
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陈丽莎
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Huzhou Informed Technology Service Co Ltd
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04Homopolymers or copolymers of esters
    • C08L33/06Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12Homopolymers or copolymers of methyl methacrylate
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10Esters
    • C08F220/12Esters of monohydric alcohols or phenols
    • C08F220/14Methyl esters, e.g. methyl (meth)acrylate
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/246Intercrosslinking of at least two polymers
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    • C08J2333/00Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • C08J2333/04Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
    • C08J2333/06Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C08J2333/10Homopolymers or copolymers of methacrylic acid esters
    • C08J2333/12Homopolymers or copolymers of methyl methacrylate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
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    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
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    • C08L2201/08Stabilised against heat, light or radiation or oxydation

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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Abstract

本发明公开了一种有机玻璃加工工艺,包括以下步骤:(1)原料称取:按对应重量份称取下列物质备用:100‑110份甲基丙烯酸甲酯、5‑8份共聚单体、6‑7份交联剂、4‑6份橡胶粒子、0.5‑3份无机填料、0.2‑0.3份混合盐、1‑3份助剂;(2)原料混合;(3)加工成型:对步骤(2)所得的混合物料进行浇注、脱模、拉伸、切割、抛光加工后得成品有机玻璃。本发明提供一种有机玻璃加工工艺,有效提升了有机玻璃的耐温、耐冲击、耐腐蚀、耐破裂等特性,综合品质好,推广使用价值高。

Description

一种有机玻璃加工工艺
技术领域
本发明涉及一种玻璃加工方法,尤其涉及一种有机玻璃加工工艺。
背景技术
聚甲基丙烯酸甲酯俗称有机玻璃,具有优异的光学性能、耐候和耐化学腐蚀特性、电绝缘性和生物相容性好,易于加工成型,力学强度大,广泛用于航空、航海、建筑以及日常生活等方面。目前的多数有机玻璃存在着耐温性能不高、力学特性不佳等问题,造成使用过程中存在安全隐患的问题,亟需进行改善。
发明内容
本发明的目的在于,提供一种有机玻璃加工工艺,有效提升了有机玻璃的耐温、耐冲击、耐腐蚀、耐破裂等特性,综合品质好,推广使用价值高。
本发明的技术方案:一种有机玻璃加工工艺,其特征在于,包括以下步骤:
(1)原料称取:按对应重量份称取下列物质备用:100-110份甲基丙烯酸甲酯、5-8份共聚单体、6-7份交联剂、4-6份橡胶粒子、0.5-3份无机填料、0.2-0.3份混合盐、1-3份助剂;
(2)原料混合:先将甲基丙烯酸甲酯、共聚单体共同混合投入到反应釜内,先加热保持反应釜内的温度为50-60℃,不断搅拌处理3-5h后,再将反应釜内的温度升至75-80℃,同时将反应釜内的压力增至0.3-0.5MPa,不断搅拌处理1.5-3h后备用;接着将交联剂、橡胶粒子、无机填料、混合盐、助剂共同放入到上述处理后的反应釜内,加热保持反应釜内的温度为40-50℃,不断搅拌处理2-3h后取出得混合物料备用;
(3)加工成型:对步骤(2)所得的混合物料进行浇注、脱模、拉伸、切割、抛光加工后得成品有机玻璃。
前述的一种有机玻璃加工工艺,其特征在于,所述共聚单体为甲基丙烯酸异冰片酯、甲基丙烯酸多环酱冰片酯、芳基甲基丙烯酸酯中的任意一种。
前述的一种有机玻璃加工工艺,其特征在于,所述交联剂为乙二醇二丙烯酯、丁二醇二丙烯酯、羟甲基丙烯酰胺中的任意一种。
前述的一种有机玻璃加工工艺,其特征在于,所述无机填料为轻质碳酸钙。
前述的一种有机玻璃加工工艺,其特征在于,所述搅拌处理的转速为750-800转/分钟。
本发明的有益效果:
1、通过对有机玻璃的方法进行了特殊的改进处理,很好的提升了有机玻璃的综合品质和使用性能。其中在原料成分的选择上,添加了共聚单体和交联剂成分,其与甲基丙烯酸甲酯反应形成了复杂的立体结构,显著提升了聚甲基丙烯酸甲酯的空间位阻,使得聚甲基丙烯酸甲酯的主链旋转困难,链段转动活动能增加,进而改善了有机玻璃的强度、耐温、耐冲击等特性,添加的橡胶粒子和无机填料成分可增强有机玻璃整体的抗裂、耐冲击、韧性等特性,添加的混合盐产生的金属镉、铜、镁离子穿插固定于聚甲基丙烯酸甲酯等成分形成的高分子链中,其与高分子链上的氧原子、氢原子有较强的吸引力,进而很好的抑制了高分子链的运动,从而改善了有机玻璃的耐温、力学特性等特性;在加工处理过程中,对半成品物料反映期间进行的匀速率增压处理可提升反应的速度,增强了各成分聚合的结合强度,改善了有机玻璃的使用特性。
2、对有机玻璃的加工工艺进行了优化改进,有效提升了有机玻璃的耐温、耐冲击、耐腐蚀、耐破裂等特性,综合品质好,推广使用价值高。
具体实施方式
下面实施例对本发明作进一步的说明,但并不作为对本发明限制的依据。
实施例:一种有机玻璃加工工艺,包括以下步骤:
(1)原料称取:按对应重量份称取下列物质备用:100-110份甲基丙烯酸甲酯、5-8份共聚单体、6-7份交联剂、4-6份橡胶粒子、0.5-3份无机填料、0.2-0.3份混合盐、1-3份助剂;
(2)原料混合:先将甲基丙烯酸甲酯、共聚单体共同混合投入到反应釜内,先加热保持反应釜内的温度为50-60℃,不断搅拌处理3-5h后,再将反应釜内的温度升至75-80℃,同时将反应釜内的压力增至0.3-0.5MPa,不断搅拌处理1.5-3h后备用;接着将交联剂、橡胶粒子、无机填料、混合盐、助剂共同放入到上述处理后的反应釜内,加热保持反应釜内的温度为40-50℃,不断搅拌处理2-3h后取出得混合物料备用;
(3)加工成型:对步骤(2)所得的混合物料进行浇注、脱模、拉伸、切割、抛光加工后得成品有机玻璃。
所述共聚单体为甲基丙烯酸异冰片酯、甲基丙烯酸多环酱冰片酯、芳基甲基丙烯酸酯中的任意一种。
所述交联剂为乙二醇二丙烯酯、丁二醇二丙烯酯、羟甲基丙烯酰胺中的任意一种。
所述无机填料为轻质碳酸钙。
所述搅拌处理的转速为750-800转/分钟。

Claims (5)

1.一种有机玻璃加工工艺,其特征在于,包括以下步骤:
(1)原料称取:按对应重量份称取下列物质备用:100-110份甲基丙烯酸甲酯、5-8份共聚单体、6-7份交联剂、4-6份橡胶粒子、0.5-3份无机填料、0.2-0.3份混合盐、1-3份助剂;
(2)原料混合:先将甲基丙烯酸甲酯、共聚单体共同混合投入到反应釜内,先加热保持反应釜内的温度为50-60℃,不断搅拌处理3-5h后,再将反应釜内的温度升至75-80℃,同时将反应釜内的压力增至0.3-0.5MPa,不断搅拌处理1.5-3h后备用;接着将交联剂、橡胶粒子、无机填料、混合盐、助剂共同放入到上述处理后的反应釜内,加热保持反应釜内的温度为40-50℃,不断搅拌处理2-3h后取出得混合物料备用;
(3)加工成型:对步骤(2)所得的混合物料进行浇注、脱模、拉伸、切割、抛光加工后得成品有机玻璃。
2.根据权利要求1所述的一种有机玻璃加工工艺,其特征在于,所述共聚单体为甲基丙烯酸异冰片酯、甲基丙烯酸多环酱冰片酯、芳基甲基丙烯酸酯中的任意一种。
3.根据权利要求1所述的一种有机玻璃加工工艺,其特征在于,所述交联剂为乙二醇二丙烯酯、丁二醇二丙烯酯、羟甲基丙烯酰胺中的任意一种。
4.根据权利要求1所述的一种有机玻璃加工工艺,其特征在于,所述无机填料为轻质碳酸钙。
5.根据权利要求1所述的一种有机玻璃加工工艺,其特征在于,所述搅拌处理的转速为750-800转/分钟。
CN201810216494.5A 2018-03-16 2018-03-16 一种有机玻璃加工工艺 Withdrawn CN108424603A (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499795A (zh) * 2020-05-07 2020-08-07 浙江展宇新材料有限公司 一种pmma单体共聚有机玻璃生产工艺

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106589754A (zh) * 2016-12-20 2017-04-26 安徽亚克力实业有限公司 一种抗冲击有机玻璃及其制备方法
CN107674145A (zh) * 2017-11-11 2018-02-09 蚌埠承永玻璃制品有限公司 一种耐热有机玻璃的制备方法
CN107778746A (zh) * 2017-11-11 2018-03-09 蚌埠承永玻璃制品有限公司 一种有机玻璃的加工工艺

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106589754A (zh) * 2016-12-20 2017-04-26 安徽亚克力实业有限公司 一种抗冲击有机玻璃及其制备方法
CN107674145A (zh) * 2017-11-11 2018-02-09 蚌埠承永玻璃制品有限公司 一种耐热有机玻璃的制备方法
CN107778746A (zh) * 2017-11-11 2018-03-09 蚌埠承永玻璃制品有限公司 一种有机玻璃的加工工艺

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499795A (zh) * 2020-05-07 2020-08-07 浙江展宇新材料有限公司 一种pmma单体共聚有机玻璃生产工艺

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