公开(公告)号：US4182821A

公开(公告)日：1980-01-08

申请号：US850965

申请日：1977-11-14

申请人： Haruo Nagai ,  Hiroshi Uehara ,  Kunikazu Nunokawa

发明人： Haruo Nagai ,  Hiroshi Uehara ,  Kunikazu Nunokawa

IPC分类号： C08F2/00 ,  C07C51/00 ,  C07C51/41 ,  C07C57/04 ,  C07C67/00 ,  C08F2/44 ,  C08F20/00 ,  C08F20/26 ,  C08F212/00 ,  C08F220/00 ,  C08F220/04 ,  C08F220/10 ,  G21F1/10 ,  C07F7/24

CPC分类号： G21F1/10

摘要： A method for producing a lead containing monomer composition comprising reacting a mixture comprising (1) at least one monomer selected from the group consisting of alkyl methacrylate having 1-4 carbon atoms in an alkyl group, hydroxyalkyl acrylate, hydroxyalkyl methacrylate and styrene, (2) acrylic or methacrylic acid, (3) an organic acid having the general formula: R.sub.1 COOH, wherein R.sub.1 is hydrocarbon residue having 5-20 carbon atoms and optionally (4) an organic acid having the general formula: R.sub.2 COOH, wherein R.sub.2 is hydrocarbon residue having 2-4 carbon atoms with lead monoxide. The composition is polymerized to obtain a radiation shielding polymer.

摘要翻译： 一种含铅单体组合物的制造方法，其特征在于，使含有（1）选自由烷基中的碳原子数为1〜8的甲基丙烯酸烷基酯，丙烯酸羟烷基酯，甲基丙烯酸羟烷基酯和苯乙烯中的至少一种以上的单体，（2） ）丙烯酸或甲基丙烯酸，（3）具有以下通式的有机酸：R1COOH，其中R1是具有5-20个碳原子的烃基，和任选地（4）具有以下通式的有机酸：R2COOH，其中R2是烃残基 具有2-4个碳原子与一氧化铅。 将组合物聚合以获得辐射屏蔽聚合物。

公开(公告)号：US4129524A

公开(公告)日：1978-12-12

申请号：US815175

申请日：1977-07-13

申请人： Haruo Nagai ,  Hiroshi Uehara ,  Kunikazu Nunokawa

发明人： Haruo Nagai ,  Hiroshi Uehara ,  Kunikazu Nunokawa

IPC分类号： G21F1/10

CPC分类号： G21F1/10

摘要： A radiation shielding material of a composition containing a polymer comprising (A) at least one essential monomer selected from the group consisting of alkyl methacrylate having 1 - 4 carbon atoms in an alkyl group, hydroxyalkyl acrylate, hydroxyalkyl methacrylate and styrene and (B) lead acrylate or lead methacrylate, and a lead carboxylate represented by the general formula: (RCOO).sub.a Pb, a being an integer equal to the valency of lead and R representing a saturated or unsaturated hydrocarbon residue having 5 - 20 carbon atoms, wherein the ratio x (% by weight) of the lead acrylate or lead methacrylate to the total constituent monomer in the polymer and the compounding ratio y (parts by weight) of the lead carboxylate to 100 parts by weight of said total monomer in said composition satisfy any one of the following three formulas I, II and III:200.gtoreq.y.gtoreq.2, where 9.ltoreq.x.ltoreq.30 (I)200.gtoreq.y.gtoreq.2/5(x - 30)+ 2, where 30.ltoreq.x.ltoreq.75(II) and200.gtoreq.y.gtoreq.-9/10(x - 75) + 20, where 75.ltoreq.x.ltoreq.95(III).

摘要翻译： 含有聚合物的组合物的辐射屏蔽材料，其包含（A）至少一种选自烷基中具有1-4个碳原子的甲基丙烯酸烷基酯，丙烯酸羟烷基酯，甲基丙烯酸羟烷基酯和苯乙烯的必需单体和（B）铅 丙烯酸酯或甲基丙烯酸铅，和由以下通式表示的羧酸铅：（RCOO）aPb，a等于铅的化合价的整数，R表示具有5-20个碳原子的饱和或不饱和烃残基，其中x 丙烯酸铅或甲基丙烯酸甲酯与聚合物中的总构成单体的重量比（重量％）和羧酸铅的配混比率y（重量份）相对于所述组合物中的所述总单体100重量份满足任何一个 以下三个公式I，II和III：