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Organosilicon modified acrylate binder and preparation method thereof
The structural formula of the modified adhesive is as follows: # imgabs0 # adhesive is prepared by the method comprising the following steps: adding 40-60 parts of a solvent, 0.01-0.1 part of an initiator and 1-3 parts of a coupling agent gamma-mercaptopropyltrimethoxysilane into a reaction kettle, and uniformly mixing to obtain a mixed solution A; 10-20 parts of a solvent, 0.1-0.4 part of an initiator, 1-2 parts of acrylic acid, 10-20 parts of a vinyl silicone oil monomer, 10-30 parts of methyl methacrylate, 10-30 parts of isobornyl methacrylate, 30-60 parts of butyl acrylate and 2-6 parts of glycidyl methacrylate are mixed and dissolved together to form a monomer mixed solution B; and dropwise adding the monomer mixed solution B into the mixed solution A to obtain a polymer solution C, dropwise adding 8-15 parts of an acidic aqueous solution into the polymer solution C, layering, and removing an acid water layer to obtain the water-soluble polymer, according to the invention, the problems of poor compatibility with powder, non-uniform dispersion, poor compact strength, high plasticizer consumption, high glass transition temperature, high sensitivity of powder to environmental humidity and the like of a conventional binder for dry-pressed ceramic are solved.
一种有机硅改性丙烯酸酯粘结剂及制备方法，改性粘结剂结构式如下：#imgabs0#粘结剂通过以方法制备得到：在反应釜中加入40～60份溶剂、0.01～0.1份引发剂、1～3份偶联剂γ‑巯丙基三甲氧基硅烷,混合均匀得到混合液A；将10～20份溶剂、0.1～0.4份引发剂、1～2份丙烯酸、10～20份乙烯基硅油单体、10～30份甲基丙烯酸甲酯、10～30份甲基丙烯酸异冰片酯、30～60份丙烯酸丁酯、2～6份甲基丙烯酸缩水甘油酯混溶在一起，形成单体混合液B；将单体混合液B滴加到混合液A中，得到聚合液C，在聚合液C中滴加8～15份的酸性水溶液，分层后除去酸水层后制得，本发明解决常规的干压成型陶瓷用粘结剂出现与粉体相容性差、分散不均、压坯强度差、增塑剂用量多、玻璃化转变温度高、粉体对环境湿度敏感性高等问题。
Organosilicon modified acrylate binder and preparation method thereof
The structural formula of the modified adhesive is as follows: # imgabs0 # adhesive is prepared by the method comprising the following steps: adding 40-60 parts of a solvent, 0.01-0.1 part of an initiator and 1-3 parts of a coupling agent gamma-mercaptopropyltrimethoxysilane into a reaction kettle, and uniformly mixing to obtain a mixed solution A; 10-20 parts of a solvent, 0.1-0.4 part of an initiator, 1-2 parts of acrylic acid, 10-20 parts of a vinyl silicone oil monomer, 10-30 parts of methyl methacrylate, 10-30 parts of isobornyl methacrylate, 30-60 parts of butyl acrylate and 2-6 parts of glycidyl methacrylate are mixed and dissolved together to form a monomer mixed solution B; and dropwise adding the monomer mixed solution B into the mixed solution A to obtain a polymer solution C, dropwise adding 8-15 parts of an acidic aqueous solution into the polymer solution C, layering, and removing an acid water layer to obtain the water-soluble polymer, according to the invention, the problems of poor compatibility with powder, non-uniform dispersion, poor compact strength, high plasticizer consumption, high glass transition temperature, high sensitivity of powder to environmental humidity and the like of a conventional binder for dry-pressed ceramic are solved.
一种有机硅改性丙烯酸酯粘结剂及制备方法，改性粘结剂结构式如下：#imgabs0#粘结剂通过以方法制备得到：在反应釜中加入40～60份溶剂、0.01～0.1份引发剂、1～3份偶联剂γ‑巯丙基三甲氧基硅烷,混合均匀得到混合液A；将10～20份溶剂、0.1～0.4份引发剂、1～2份丙烯酸、10～20份乙烯基硅油单体、10～30份甲基丙烯酸甲酯、10～30份甲基丙烯酸异冰片酯、30～60份丙烯酸丁酯、2～6份甲基丙烯酸缩水甘油酯混溶在一起，形成单体混合液B；将单体混合液B滴加到混合液A中，得到聚合液C，在聚合液C中滴加8～15份的酸性水溶液，分层后除去酸水层后制得，本发明解决常规的干压成型陶瓷用粘结剂出现与粉体相容性差、分散不均、压坯强度差、增塑剂用量多、玻璃化转变温度高、粉体对环境湿度敏感性高等问题。
Organosilicon modified acrylate binder and preparation method thereof
一种有机硅改性丙烯酸酯粘结剂及制备方法
HUANG QIFAN (author) / LUO MINGDA (author) / ZHANG CAISHENG (author)
2023-09-12
Patent
Electronic Resource
Chinese
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