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1. 发明授权

US3957904A Polymeric flocculant composition 失效
标题翻译：聚合物絮凝剂组合物
公开(公告)号：US3957904A
公开(公告)日：1976-05-18
申请号：US468273
申请日：1974-05-09
申请人： Shin-ichi Isaoka , Tutomu Shintani , Mamoru Suzuki , Wataru Tohma
发明人： Shin-ichi Isaoka , Tutomu Shintani , Mamoru Suzuki , Wataru Tohma
IPC分类号： B01D21/01 , C02F1/54 , C08L33/26 , C08L61/20 , C02B1/20 , C08L61/28
CPC分类号： C02F1/54 , C08L33/26 , C08L61/20 , Y10S525/916
摘要： A polymeric flocculant composition having an excellent flocculation effect, which comprises (a) an acrylamide polymer containing 50 or more molar % of an acrylamide unit and (b) at least one amino resin precondensate selected from the group consisting of urea-formaldehyde, melamine-formaldehyde, guanidine-formaldehyde and dicyandiamide-formaldehyde, wherein the acrylamide polymer and the amino resin precondensate are admixed in a ratio of 90 : 10 to 99 : 1 by weight. The polymeric flocculant composition disclosed herein is useful for cleaning waste water.

2. 发明授权

US4221888A Method of hydrolyzing acrylamide and methacrylamide polymers 失效
标题翻译：水解丙烯酰胺和甲基丙烯酰胺聚合物的方法
公开(公告)号：US4221888A
公开(公告)日：1980-09-09
申请号：US941857
申请日：1978-09-13
申请人： Shigenao Kawakami , Shigenori Tajiri , Hiroshi Tashiro , Shin-ichi Isaoka
发明人： Shigenao Kawakami , Shigenori Tajiri , Hiroshi Tashiro , Shin-ichi Isaoka
IPC分类号： C08F8/00 , C08F8/12
CPC分类号： C08F8/12
摘要： A process for preparing hydrolyzed acrylamide and methacrylamide polymers which comprises hydrolyzing a powdery acrylamide or methacrylamide polymer dispersed in a solvent mixture comprising water and at least one water-miscible organic solvent selected from the group consisting of ketones, nitriles, ethers and furans.
摘要翻译：一种制备水解丙烯酰胺和甲基丙烯酰胺聚合物的方法，包括水解分散在包含水和至少一种选自酮，腈，醚和呋喃的水混溶性有机溶剂的溶剂混合物中的粉末状丙烯酰胺或甲基丙烯酰胺聚合物。

3. 发明授权

US4138446A Water-soluble high polymers and their preparation 失效
标题翻译：水溶性高聚物及其制备方法
公开(公告)号：US4138446A
公开(公告)日：1979-02-06
申请号：US838052
申请日：1977-09-30
申请人： Shigenao Kawakami , Tatsumi Shibata , Shin-Ichi Isaoka , Tutomu Shintani
发明人： Shigenao Kawakami , Tatsumi Shibata , Shin-Ichi Isaoka , Tutomu Shintani
IPC分类号： C08F220/56 , C08F267/10 , C08F2/00 , C08F4/30 , C08F220/00
CPC分类号： C08F220/56 , C08F267/10 , Y10S526/923
摘要： In the production of a water-soluble, cationic high polymer of (A) at least one of acrylamide and methacrylamide and (B) at least one of ammonium type monomers of either one of the formulas: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group, R.sub.2 and R.sub.3 are each a lower alkyl group, R.sub.4 is a hydrogen atom, a lower alkyl group, an aryl group, a hydroxy(lower)alkyl group, a benzyl group or a group of the formula: --CH.sub.2 COO(CH.sub.2).sub.m CH.sub.3 (m being an integer of 0 or 1), R.sub.5 .crclbar. is a group of either one of the formulas: --(CH.sub.2).sub.2 COO.crclbar. and --(CH.sub.2).sub.3 SO.sub.3 .crclbar., X is a halogen atom or an acid residue, Y is --O-- or --NH-- and n is an integer of 1 to 4, a process which comprises initiating the polymerization of the monomeric component (A) with or without a portion of the monomeric component (B) in an aqueous medium containing an organic solvent selected from the group consisting of acetone, acetonitrile, t-butanol, tetrahydrofuran and dioxane at a concentration of about 15 to 70% by weight until the polymerization proceeds to a certain extent and then continuing polymerization while adding the remaining portion of the monomeric component (B) thereto under the occasional supplementation of a water-miscible organic solvent thereto so as to keep an appropriate viscosity of the reaction system to produce the high polymer in a high yield with ease.
摘要翻译：在制备（A）丙烯酰胺和甲基丙烯酰胺中的至少一种的水溶性阳离子高分子和（B）下式之一的铵型单体中的至少一种：其中 R1是氢原子或甲基，R2和R3各自是低级烷基，R4是氢原子，低级烷基，芳基，羟基（低级）烷基，苄基或一个式中：-CH 2 COO（CH 2）mCH 3（m为0或1的整数），R 5（ - ）是以下基团之一： - （CH 2）2 COO（ - ）和 - （CH 2）3 SO 3（ - ），X是卤素原子或酸残基，Y是-O-或-NH-，n是1〜4的整数，包括在有或没有一部分的情况下引发单体成分（A）的聚合的方法的单体组分（B）在含有选自丙酮，乙腈，叔丁醇，四氢呋喃和二恶烷的有机溶剂的水性介质中，浓度为约15至70重量％，直到聚合进行到一定程度，然后持续聚合，同时在偶尔添加水混溶性有机溶剂的同时向其中加入剩余部分的单体组分（B），以保持反应体系的适当粘度以产生高聚合物以高产率容易地进行。

4. 发明授权

US4075183A Preparation of water-soluble high polymers 失效
标题翻译：水溶性聚合物的制备
公开(公告)号：US4075183A
公开(公告)日：1978-02-21
申请号：US642185
申请日：1975-12-18
申请人： Shigenao Kawakami , Tatsumi Shibata , Shin-ichi Isaoka , Tutomu Shintani
发明人： Shigenao Kawakami , Tatsumi Shibata , Shin-ichi Isaoka , Tutomu Shintani
IPC分类号： C08F220/56 , C08F28/00 , C08F2/00 , C08F20/70 , C08G75/00
CPC分类号： C08F220/56 , Y10S526/923
摘要： In the production of a water-soluble, cationic high polymer of (A) at least one of acrylamide and methacrylamide and (B) at least one of ammonium type monomers of either one of the formulas: ##STR1## wherein R.sub.1 is a hydrogen atom or a methyl group, R.sub.2 and R.sub.3 are each a lower alkyl group, R.sub.4 is a hydrogen atom, a lower alkyl group, an aryl group, a hydroxy(lower)alkyl group, a benzyl group or a group of the formula: --CH.sub.2 COO(CH.sub.2).sub.m CH.sub.3 (m being an integer of 0 or 1), R.sub.5.sup.- is a group of either one of the formulas: --(CH.sub.2).sub.2 COO.sup.- and -(CH.sub.2).sub.3 SO.sub.3.sup.-, X is a halogen atom or an acid residue, Y is -O- or --NH-- and n is an integer of 1 to 4, a process which comprises initiating the polymerization of the monomeric component (A) with or without a portion of the monomeric component (B) in an aqueous medium containing an organic solvent selected from the group consisting of acetone, acetonitrile, t-butanol, tetrahydrofuran and dioxane at a concentration of about 15 to 70 % by weight until the polymerization proceeds to a certain extent and then continuing the polymerization while adding the remaining portion of the monomeric component (B) thereto under the occasional supplementation of a water-miscible organic solvent thereto so as to keep an appropriate viscosity of the reaction system to produce the high polymer in a high yield with ease.

5. 发明授权

US3931122A Method for producing high molecular weight polyacrylamide type resins 失效
标题翻译：生产高分子量聚丙烯酰胺型树脂的方法
公开(公告)号：US3931122A
公开(公告)日：1976-01-06
申请号：US436046
申请日：1974-01-24
申请人： Shin-ichi Isaoka , Tutomu Shintani , Shigenori Taziri , Shiro Sakai , Wataru Thoma
发明人： Shin-ichi Isaoka , Tutomu Shintani , Shigenori Taziri , Shiro Sakai , Wataru Thoma
IPC分类号： C08F2/00 , C02F1/54 , C08F2/10 , C08F4/00 , C08F4/40 , C08F20/56 , C08F2/14 , C08F2/20
CPC分类号： C02F1/54 , C08F20/56 , Y10S526/91
摘要： High molecular weight acrylamide polymers useful as flocculants are obtained by copolymerizing acrylamide with a monovinyl monomer in a mixture of water and acetone in the presence of a redox type catalyst comprising a persulfate, an aliphatic amine and at least one Lewis acid selected from the group consisting of chlorides and bromides of aluminum, antimony, lithium and zinc.

6. 发明授权

US4251651A Amphoteric polyelectrolyte 失效
标题翻译：两性聚电解质
公开(公告)号：US4251651A
公开(公告)日：1981-02-17
申请号：US907854
申请日：1978-05-19
申请人： Shigenao Kawakami , Shigeru Ura , Naoyoshi Jinno , Shin-Ichi Isaoka , Wataru Tohoma
发明人： Shigenao Kawakami , Shigeru Ura , Naoyoshi Jinno , Shin-Ichi Isaoka , Wataru Tohoma
IPC分类号： B01D21/01 , A61K8/81 , A61Q5/06 , C08F20/00 , C08F20/34 , C08F20/52 , C08F220/00 , C08F220/04 , C08F220/06 , C08F220/34 , C08F220/56 , D21H17/37 , D21H17/43 , D21H17/45 , C08F214/00 , C08F214/14
CPC分类号： C08F220/06 , A61K8/8158 , A61Q5/06 , C08F220/34 , C08F220/56 , D21H17/43 , D21H17/45 , D21H17/455 , A61K2800/5428
摘要： An amphoteric polyelectrolyte which is useful as a paper additive capable of imparting dry strength to paper, a high molecular flocculant, a high molecular dehydrating agent or the like is prepared by copolymerizing a cationic vinyl monomer such as .beta.-methacryloxyethyl trimethylammonium chloride, an anionic vinyl monomer such as acrylic acid and a vinyl monomer such as acrylamide, optionally with a nonionic vinyl monomer such as acrylonitrile, in a solvent in the presence of a catalyst.
摘要翻译：通过将阳离子乙烯基单体如β-甲基丙烯酰氧基乙基三甲基氯化铵，阴离子乙烯基单体等共聚合，制备可用作纸赋予干强度的纸添加剂，高分子絮凝剂，高分子脱水剂等的两性聚电解质单体如丙烯酸和乙烯基单体如丙烯酰胺，任选地与非离子乙烯基单体如丙烯腈在溶剂中在催化剂存在下进行。

7. 发明授权

US4164413A Method for promoting growth of plants with cationic polymers 失效
标题翻译：用阳离子聚合物促进植物生长的方法
公开(公告)号：US4164413A
公开(公告)日：1979-08-14
申请号：US902692
申请日：1978-05-04
申请人： Naoyoshi Jinno , Takeo Satomi , Shigenao Kawakami , Tatsumi Shibata , Shin-ichi Isaoka
发明人： Naoyoshi Jinno , Takeo Satomi , Shigenao Kawakami , Tatsumi Shibata , Shin-ichi Isaoka
IPC分类号： B01D21/01 , A01N37/12 , A01N37/14 , A01N37/20 , A01N37/26 , A01N37/44 , C02F11/00 , C05F7/00 , C05F11/10 , C09K17/00 , C09K17/18 , C09K101/00 , A01N5/00
CPC分类号： A01N37/44 , A01N37/12 , A01N37/20
摘要： The growth of plants is promoted using a water-soluble cationic polymer obtained by polymerization of a quarternary ammonium compound of the following formula (I) alone or together with other vinyl monomers, ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 and R.sub.3 are each a lower alkyl, R.sub.4 is a lower alkyl, allyl, a hydroxy(lower)-alkyl, benzyl or --CH.sub.2 COO(CH.sub.2).sub.m CH.sub.3 group (in which m is 0 or 1), X is a halogen or methylsulfate and Y is --O(CH.sub.2).sub.n --, --NH--(CH.sub.2).sub.n -- (in which n is 1 to 4) or ##STR2##
摘要翻译：使用通过单独或与其它乙烯基单体（其中R1是氢或甲基，R2，R2）的下式（I）的季铵化合物聚合得到的水溶性阳离子聚合物促进植物的生长，和R 3为低级烷基，R 4为低级烷基，烯丙基，羟基（低级） - 烷基，苄基或-CH 2 COO（CH 2）mCH 3基团（其中m为0或1），X为卤素或甲基硫酸盐， Y是-O（CH 2）n - ， - NH-（CH 2）n - （其中n是1至4）或者

8. 发明授权

US3969329A Process for producing high molecular weight acrylamide water-soluble polymers by controlling the viscosity of the polymerization reaction medium with a water-miscible organic solvent 失效
标题翻译：通过用水混溶性有机溶剂控制聚合反应介质的粘度来生产高分子量丙烯酰胺水溶性聚合物的方法
公开(公告)号：US3969329A
公开(公告)日：1976-07-13
申请号：US541623
申请日：1975-01-16
申请人： Eiichi Hirata , Shin-ichi Isaoka , Shiro Sakai
发明人： Eiichi Hirata , Shin-ichi Isaoka , Shiro Sakai
IPC分类号： B01D21/01 , C02F1/54 , C08F2/00 , C08F2/10 , C08F20/56 , C08F28/00 , C08F120/52 , C08G75/00
CPC分类号： C02F1/54 , C08F20/56
摘要： Water-soluble high molecular weight polymers, useful as coagulating agents, are prepared by initiating the polymerization of acrylamide or a monovinyl monomer mixture containing a predominant amount of acrylamide in an acetone-water mixture at a temperature of not lower than 5.degree.C but of lower than 25.degree.C in the presence of polyvinyl alcohol and a catalyst, the concentration of the monomer in the polymerization reaction mixture being 15 to 30 % by weight and the concentration of acetone in the acetone-water mixture being 15 to 35 % by weight, and continuing the polymerization reaction while controlling the viscosity of the reaction system by adding a water-miscible organic solvent having a small chain transfer coefficient to the reaction system with the progress of the polymerization reaction.
摘要翻译：可用作凝结剂的水溶性高分子量聚合物通过在不低于5℃的温度下引发丙烯酰胺或含有主要量的丙烯酰胺的单乙烯基单体混合物在丙酮 - 水混合物中的聚合来制备，但是在聚乙烯醇和催化剂存在下低于25℃，聚合反应混合物中单体的浓度为15〜30重量％，丙酮 - 水混合物中丙酮的浓度为15〜35重量％并且随着聚合反应的进行，通过向反应体系中加入具有小链转移系数的水混溶性有机溶剂来控制反应体系的粘度，并继续进行聚合反应。

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