摘要:
A curable composition of halogen-containing polymer composed of(1) 100 parts by weight of a halogen-containing polymer,(2) as a crosslinking agent, about 0.1 to about 10 parts by weight of a 2,4-dithiohydantoin having the formula ##STR1## wherein R.sub.1 and R.sub.2 are identical or different and represent a member selected from the class consisting of a hydrogen atom, C.sub.1 -C.sub.8 alkyl groups, C.sub.6 -C.sub.8 cycloalkyl groups, C.sub.2 -C.sub.8 alkenyl groups, C.sub.6 -C.sub.8 aryl groups and C.sub.7 -C.sub.8 aralkyl groups, or R.sub.1 and R.sub.2 are bonded together to form a 5- or 7-membered hydrocarbon ring which may contain a nitrogen atom and have at least one lower alkyl group as a substituent,or a metal salt thereof, and(3) as an acid acceptor, about 0.5 to about 50 parts by weight of a compound of a metal of Group II of IVa of the periodic table.
摘要:
A process for preparing a diallyl phthalate latex which comprises using in proportions of a total of 30 - 100 weight parts of monomer and a total of 0.3 - 10.0 weight parts of an anionic surfactant to a total of 100 weight parts of water, andI. carrying out the emulsion polymerization of the following emulsion polymerization system, i.e., an emulsion polymerization system comprisingA. water in an amount of 50 - 70 weight % of the total amount thereof,B. monomer in an amount of 10 - 20 weight % of the total amount thereof, said monomer being selected from the group consisting of a diallyl phthalate monomer and a diallyl phthalate-containing monomeric mixtureC. said surfactant in an amount of 10 - 20 weight % of total amount thereof, andD. a radical catalyst in toto; and, thenIi. at a period after the degree of polymerization has reached 50 weight % and before completion of the polymerization, furthering the emulsion polymerization reaction while slowly adding an additional emulsion polymerization system containing the following components but not containing said radical catalyst:A. water remaining of the total amount thereofB. monomer remaining of the total amount thereof, andC. said surfactant remaining of the total amount thereof.
摘要翻译:一种制备邻苯二甲酸二烯丙酯胶乳的方法,其包括使用总共30-100重量份单体和总共0.3-10.0重量份阴离子表面活性剂至总计100重量份水的比例,和I. 进行以下乳液聚合体系的乳液聚合,即包含A的乳液聚合体系。以50-70重量份的水,其总量的重量百分比为B,单位为10-20重量% 总共数量,由包含二元酚类单体和含二苯甲基单体单体混合物的组选择的所述单体C.以10-20重量%的总重量计的表面活性剂和D.总量为D.的放射性催化剂 IN TOTO; 和,那么二。 在聚合度达到50重量%之后并且在聚合完成之前的一段时间,在缓慢加入含有以下组分但不含所述自由基催化剂的另外的乳液聚合体系的同时进一步进行乳液聚合反应:
摘要:
A diallyl phthalate resin-containing aqueous emulsion containing an aqueous emulsion of a diallyl phthalate resin of a rate of polymerization of 30 - 75 weight % consisting of 50 - 100 weight % of diallyl phthalate and 50 - 0 weight % of an alkyl acrylate, and an aqueous emulsion of a thermosetting vinyl resin consisting of 10 - 1 weight % of a vinyl compound containing a thermosetting functional group and 90 - 99 weight % of a vinyl compound not containing a thermosetting functional group, the content of said diallyl phthalate resin component to said thermosetting vinyl resin component being in a proportion of 10 - 70 weight % of the former to 90 - 30 weight % of the latter.
摘要:
A diallyl phthalate resin-containing aqueous emulsion containing an aqueous emulsion of a diallyl phthalate resin of a rate of polymerization of 30 - 75 weight % consisting of 50 - 100 weight % of diallyl phthalate and 50 - 0 weight % of an alkyl acrylate, and an aqueous emulsion of a thermosetting vinyl resin consisting of 10 - 1 weight % of a vinyl compound containing a thermosetting functional group and 90 - 99 weight % of a vinyl compound not containing a thermosetting functional group, the content of said diallyl phthalate resin component to said thermosetting vinyl resin component being in a proportion of 10 - 70 weight % of the former to 90 - 30 weight % of the latter.