公开(公告)号：US5034478A

公开(公告)日：1991-07-23

申请号：US446699

申请日：1989-12-06

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale deposition in polymerization of a monomer having an ethylenically double bond, wherein said polymerization is carried out in a polymerization vessel in which its inner wall surface has been previously coated with a coating solution comprising:(A) a condensate of a phenolic hydroxy group-containing compound,(B) at least one member selected from the group consisting of metal compounds and inorganic colloids, and(C) at least one member selected from the group consisting of dyes and pigments. This method makes it possible to prevent polymer scale deposition regardless of polymerization conditions such as the kind of monomers, the type of polymerization vessel, etc.

公开(公告)号：US4708890A

公开(公告)日：1987-11-24

申请号：US886721

申请日：1986-07-18

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe ,  Yoshiteru Shimakura

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe ,  Yoshiteru Shimakura

IPC分类号： C08F2/00 ,  C08F2/16 ,  C08F14/00 ,  C08F14/06

CPC分类号： C08F2/004

摘要： The invention provides an efficient method for preventing polymer scale deposition on the reactor walls in the suspension or emulsion polymerization of an ethylenically unsaturated monomer, e.g. vinyl chloride and styrene, by coating the reactor walls, prior to introduction of the polymerization mixture, with an aqueous coating solution containing (a) a silicic acid compound, e.g. colloidal silicic acid, and (b) a phosphorous compound, e.g. phytic acid and polyphosphoric acid, in a specified weight proportion followed by drying.

摘要翻译： 本发明提供了一种在烯属不饱和单体的悬浮或乳液聚合中防止聚合物垢在反应器壁上沉积的有效方法，例如， 氯乙烯和苯乙烯，通过在引入聚合混合物之前用包含（a）硅酸化合物的水性涂料溶液涂覆反应器壁。 胶体硅酸，和（b）磷化合物，例如， 植酸和多磷酸，以规定的重量比例然后干燥。

公开(公告)号：US5214113A

公开(公告)日：1993-05-25

申请号：US578349

申请日：1990-09-06

申请人： Toshihide Shimizu ,  Susumu Ueno ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Susumu Ueno ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale deposition during polymerization of a monomer having an ethylenically double bond in a polymerization vessel, comprising the step of carrying out said polymerization in a polymerization vessel of which the inner wall surface has a coating comprising:(A) a lignin, and(B) a cellulose derivative; and a polymer scale preventive agent comprising said components (A) and (B).Deposition of polymer scale can be effectively prevented; polymers with high whiteness can be prepared; the scale preventive agent used has no poisonousness and are highly safe, therefore this method can be performed with high safe.

摘要翻译： 一种防止在聚合容器中具有烯键式双键的单体聚合期间的聚合物垢沉积的方法，包括在其内壁表面具有包含以下物质的聚合容器中进行所述聚合的步骤：（A）木质素 ，（B）纤维素衍生物; 和包含所述组分（A）和（B））的聚合物防垢剂。 可有效防止聚合物垢的沉积; 高白度聚合物可以制备; 所用的防垢剂无毒，安全性高，因此该方法可以安全使用。

公开(公告)号：US5214112A

公开(公告)日：1993-05-25

申请号：US578342

申请日：1990-09-06

申请人： Toshihide Shimizu ,  Susumu Ueno ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Susumu Ueno ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale deposition during polymerization of a monomer having an ethylenically double bond in a polymerization vessel, comprising the step of carrying out said polymerization in a polymerization vessel of which the inner wall surface has a coating comprising:(A) a water-soluble nitrogen-containing cationic polymeric compound, and(B) a water-soluble anionic polymeric compound; and a polymer scale preventive agent comprising said (A) and (B). Polymer scale deposition is effectively prevented, and polymers with high whiteness can be prepared.

摘要翻译： 一种防止在聚合容器中具有烯键式双键的单体聚合期间的聚合物垢沉积的方法，包括在聚合容器中进行所述聚合的步骤，其内壁表面具有包含：（A）水 - 可溶性含氮阳离子聚合物，和（B）水溶性阴离子聚合物; 和包含所述（A）和（B）的聚合物防垢剂。 可以有效地防止聚合物垢沉积，可以制备高白度的聚合物。

公开(公告)号：US5034477A

公开(公告)日：1991-07-23

申请号：US512595

申请日：1990-04-24

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00 ,  C08F2/44 ,  C23F15/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale formation in a polymerization vessel during the polymerization of a monomer having an ethylenically double bond, wherein said polymerization is carried out in a polymerization vessel in which its inner wall surface has been previously coated with a coating solution containing (A) at least one member selected from the group consisting of particular anionic dyes, and alkali metal salts and ammonium salts of a sulfonated product obtained by sulfonation of a condensate of a particular aromatic amine compound with a particular aromatic nitro compound, and (B) a particular cationic dye and having a pH of more than 7, and then dried to form a coating. This method can effectively prevent scale formation in the polymerization of extensive monomers having an ethylenically double bond, so that 100 or more polymerization runs can be repeated without formation of polymer scale.

公开(公告)号：US4933399A

公开(公告)日：1990-06-12

申请号：US281039

申请日：1988-12-07

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00 ,  C08F2/12

CPC分类号： C08F2/004

摘要： A method of preventing polymer scales from sticking in a polymerization vessel during the polymerization of a monomer having an ethylenically double bond, wherein said polymerization is carried out in a polymerization vessel of which the inner wall and other parts with which said monomer comes into contact during polymerization are previously first coated with (a) a coating solution comprising a cationic dye and the resulting coating is then coated with (b) a coating solution comprising at least one component selected from the group consisting of anionic polymeric compounds, amphoteric polymeric compounds and hydroxyl group-containing organic compounds. Polymer scale formation can be effectively prevented.

公开(公告)号：US5298220A

公开(公告)日：1994-03-29

申请号：US000703

申请日：1993-01-05

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00 ,  C08F2/02

CPC分类号： C08F2/004

摘要： This process is a method of preventing polymer scale formation in a polymerization vessel during the polymerization of a monomer having an ethylenically unsaturated double bond. The inner wall surface of a polymerization vessel is coated with a water-based coating solution containing (a) a water-soluble anionic dye and (b) at least water-insoluble cationic dye or water-insoluble nitrogen-containing organic compound, where the water-based coating solution has a pH of 7 or less. The coating solution is applied and then dried to form a coating.

摘要翻译： 该方法是在具有烯键式不饱和双键的单体聚合期间防止聚合容器中聚合物垢形成的方法。 聚合容器的内壁表面涂覆有含有（a）水溶性阴离子染料和（b）至少水不溶性阳离子染料或水不溶性含氮有机化合物的水性涂料溶液，其中 水性涂​​布液的pH为7以下。 涂布溶液，然后干燥以形成涂层。

公开(公告)号：US5115051A

公开(公告)日：1992-05-19

申请号：US447856

申请日：1989-12-08

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale deposition in a polymerization vessel during polymerization of a monomer having an ethylenically double bond, wherein said polymerization is carried out in a polymerization vessel of which the inner wall has been previously first coated with(A) a coating solution comprising a condensate of an aromatic compound and at least one member selected from the group consisting of metal compounds and inorganic colloids, and the coating thus formed has been then coated with(B) a coating solution comprising at least one member selected from the group consisting of anionic polymeric compounds, amphoteric polymeric compounds and hydroxyl group-containing polymeric compounds; and a polymerization vessel having a coating thus formed. According this method, polymer scale deposition on the inner wall, etc. of the polymerization vessel can be effectively prevented.

公开(公告)号：US5053466A

公开(公告)日：1991-10-01

申请号：US446681

申请日：1989-12-06

申请人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale deposition in a polymerization vessel during polymerization of a monomer having an ethylenically double bond, wherein said polymerization is carried out in a polymerization of which the inner wall has been previously coated with a coating solution comprising:(A) an aromatic amine-based condensate,(B) at least one member selected from the group consisting of alkali metal salts and ammonium salts of a sulfonation product prepared by sulfonation of an aromatic amine-based condensate, and(C) at least one member selected from the group consisting of metal compounds, inorganic colloids, dyes and pigments; a scale preventive agent comprising the components (A), (B) and (C); and a polymerization vessel having a coating comprising the scale preventive agent. According the method, polymer scale deposition on the inner wall, etc. of the polymerization vessel can be effectively prevented.

公开(公告)号：US5229471A

公开(公告)日：1993-07-20

申请号：US578343

申请日：1990-09-06

申请人： Toshihide Shimizu ,  Susumu Ueno ,  Ichiro Kaneko ,  Mikio Watanabe

发明人： Toshihide Shimizu ,  Susumu Ueno ,  Ichiro Kaneko ,  Mikio Watanabe

IPC分类号： C08F2/00

CPC分类号： C08F2/004

摘要： A method of preventing polymer scale deposition during polymerization of a monomer having an ethylenically double bond in a polymerization vessel, comprising the step of carrying out said polymerization in a polymerization vessel of which the inner wall surface has a coating comprising:(A) a polyvinyl alcohol, and(B) a water-soluble polymeric compound having a carboxyl group which may be in the form of a salt, and a polymer scale preventive agent comprising said (A) and (B). Deposition of polymer scale can be effectively prevented. Since the components (A) and (B) have no poisonousness, safety of operators are ensured.

摘要翻译： 一种防止在聚合容器中具有烯键式双键的单体聚合期间的聚合物垢沉积的方法，包括在其内壁表面具有涂层的聚合容器中进行所述聚合的步骤：（A）聚乙烯 醇和（B）具有可以为盐形式的羧基的水溶性高分子化合物和包含所述（A）和（B）的聚合物防垢剂。 可有效防止聚合物垢的沉积。 由于（A）和（B）成分没有毒性，操作员的安全性得到保证。