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1. 发明专利

JPS5783515A Preparation of oxymethylene copolymer 失效
标题翻译：聚乙烯共聚物的制备
公开(公告)号：JPS5783515A
公开(公告)日：1982-05-25
申请号：JP15769080
申请日：1980-11-11
申请人： Ube Ind Ltd
发明人： SUZUKI TAROU , TAKIGAWA NAOHISA , TOKUNAGA KIYOAKI , SEKI NAGAHARU
IPC分类号： C08G2/00 , C08G2/18 , C08G2/30 , C08G2/38 , C08G4/00
摘要： PURPOSE: To obtain the titled copolymer having high basic stability and a proper molecular weight in good reproducibility, by adding a cyclic formal to a slurry of oxymethylene homopolymer, distilling partially a solvent away, followed by adding a Lewis acid to it.
CONSTITUTION: Formaldehyde is fed from the pipe 12 to the polymerization tank 2, and an inert organic solvent (e.g., toluene, etc.) containing 10
-7 W10
-3 mol/ polymerization catalyst[e.g., copper bis(acetylacetone), etc.]is added from the pipe 11 to the tank, to give a slurry of a homopolymer. The slurry is fed from the pipe 13 and a cyclic formal (e.g., 1,3,6-trioxocane, etc.) from the pipe 14 respectively to the pretreating tank 4, and preferably ≥20wt% solvent is distilled away from the pipe 15. The remaining slurry is fed from the pipe 16 and a Lewis acid (e.g., boron trifluoride diethyl etherate, etc.) from the pipe 17 respectively to the copolymerization tank 6, so that the homopolymer is reacted with the cyclic formal, to give the copolymer.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：为了以良好的再现性获得具有高碱性稳定性和适当分子量的标题共聚物，通过向甲醛均聚物的浆料中加入环状醛，部分地蒸馏除去溶剂，然后向其中加入路易斯酸。构成：将甲醛从管12供给到聚合槽2，并将含有10 -7 -10 -3摩尔/聚合催化剂的惰性有机溶剂（例如甲苯等）（例如铜双乙酰丙酮）等]从管11加入到罐中，得到均聚物的浆料。将浆料从管道13和循环甲醛（例如，1,3,6-三氧杂环己烷等）分别从管道14进料到预处理槽4中，并且优选> = 20重量％的溶剂从管道中蒸馏出将剩余的浆料从管道16和路易斯酸（例如，三氟化硼乙醚合物等）分别从管17进料到共聚槽6中，使均聚物与环状缩甲醛反应，得到共聚物。

2. 发明专利

JPS5780416A Stabilization of oxymethylene copolymer 失效
标题翻译：氧乙烯共聚物的稳定性
公开(公告)号：JPS5780416A
公开(公告)日：1982-05-20
申请号：JP15513480
申请日：1980-11-06
申请人： Ube Ind Ltd
发明人： TAKIGAWA NAOHISA , KATSUTA SUNAO , NINOMIYA HIROSHI
IPC分类号： C08G2/00 , C08G2/30 , C08K5/17 , C08L59/04
摘要： PURPOSE: To obtain a stabilized oxymethylene copolymer having a uniform particle shape, by treating an unstabilized oxymethylene copolymer slurry with water and methanol and thereafter heating the copolymer slurry in the presence of an alkali metal salt of ethylenediaminetetraacetic acid.
CONSTITUTION: Water and metnanol are added to an inert organic solvent slurry of an oxymethylene copolymer having unstable portions consisting of oxymethylene units at the terminals of a main chain, prepared by copolymerization. The mixture is separated into a water and methanol-rich layer containing an oxymethylene copolymer and an inert solvent-rich layer. Next, the water and methanol-rich layer is separated and heated in the presence of an alkali metal salt of ethylenediaminetetraacetic acid. The heating temperature is preferably 100W170°C, particularly, 135W150°C. The concentration of unstabilized oxymethylene copolymer in the slurry is preferably 7W16wt%.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：为了获得具有均匀粒子形状的稳定的甲醛共聚物，通过用水和甲醇处理未稳定的甲醛共聚物浆料，然后在乙二胺四乙酸的碱金属盐的存在下加热共聚物浆料。构成：将水和甲醇加入到通过共聚制备的在主链末端由甲醛单元组成的不稳定部分的甲醛共聚物的惰性有机溶剂浆料中。将混合物分离成含有甲醛和富甲酸的层，该层含有甲醛共聚物和富含惰性溶剂的层。接下来，在乙二胺四乙酸的碱金属盐的存在下，分离和加热水和富含甲醇的层。加热温度优选为100-170℃，特别是135-150℃。浆料中未稳定的甲醛共聚物的浓度优选为7-16重量％。

3. 发明专利

JPS5783516A Preparation of oxymethylene copolymer 失效
标题翻译：聚乙烯共聚物的制备
公开(公告)号：JPS5783516A
公开(公告)日：1982-05-25
申请号：JP15769280
申请日：1980-11-11
申请人： Ube Ind Ltd
发明人： TAKIGAWA NAOHISA , KATSUTA SUNAO , NINOMIYA HIROSHI
IPC分类号： C08G2/00 , C08G2/18 , C08G2/34 , C08G2/38 , C08G4/00
摘要： PURPOSE: To obtain the titled copolymer by stable continuous operation, by adding a cyclic formal and a Lewis acid to a slurry of homopolymer of formaldehyde, carrying out copolymerization, stopping the polymerization with a specific reagent, separating, recovering by distillation, and reusing a solvent.
CONSTITUTION: Formaldehyde, recovered and feed inert organic solvent (e.g., n-heptane, etc.), and a metal chelate compound[e.g., bisacetylacetonatocopper, etc.]are added to the polymerization tank 1. Homopolymerization is carried out first to give slurry, which is transferred to the copolymerization tank 2, to which a cyclic formal (e.g., 1,3,6-trioxocane, etc.) and a Lewis acid (e.g., BF
3 , etc.) are added to carry out copolymerization. The prepared slurry is sent to the blending tank 3, and the polymerization is stopped by adding an alkali metal salt of ethylene-diaminetetraacetic acid. The copolymer is separated from the solvent by the solid-liquid separator 4, and the solvent is recovered by the distillation column 5 and reused.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：为了通过稳定的连续操作获得标题共聚物，通过向甲醛均聚物的浆料中加入环状缩甲醛和路易斯酸，进行共聚，停止与特定试剂的聚合，通过蒸馏分离，回收并重新使用溶剂。构成：将甲醛，回收和进料惰性有机溶剂（例如正庚烷等）和金属螯合物（例如双乙酰丙酮等）加入到聚合槽1中。首先进行均聚，得到浆料，转移到共聚槽2中，加入环状缩甲醛（例如1,3,6-三氧杂环己烷等）和路易斯酸（例如BF 3等）进行共聚。将制备的浆料送入混合罐3，通过加入乙烯 - 二胺四乙酸的碱金属盐停止聚合。通过固液分离器4将共聚物与溶剂分离，并通过蒸馏塔5回收溶剂并重新使用。

4. 发明专利

JPS5721414A Polymerization of formaldehyde 失效
标题翻译：甲醛的聚合
公开(公告)号：JPS5721414A
公开(公告)日：1982-02-04
申请号：JP9569380
申请日：1980-07-15
申请人： Ube Ind Ltd
发明人： ISHII TAKAMI , TAKIGAWA NAOHISA , TOKUNAGA KIYOAKI , OGAWA NOBUHIRO
IPC分类号： C08G2/00 , C08G2/08
摘要： PURPOSE: To prevent deposition of polyoxymethylene on the inner wall or like area of a reaction vessel, by slurry-polymerizing HCHO in an inert organic medium in the presence of a specified polyvalent-metal salt, a specified polyethylene glycol monoether and a specified polymerization catalyst.
CONSTITUTION: To 1l of an inert organic medium, e.g., benzene, are added 0.1W 50mg of a polyvalent-metal salt selected from a polyvalent-metal salt of an alkylsalicyclic acid of formula I, wherein R
2 is a 3W22C alkyl and m is 1W3, and a polyvalent-metal salt of a sulfosuccinic acid of formula II, wherein R
3 and R
4 are each a 3W8C alkyl, 1W500mg of an ethylene glycol monoether of formula III, wherein R
1 is a 10W20C alkyl, alkenyl or alkylaryl and n is 2W10, and 1×10
-7 W1× 10
-3 mol of a polymerization catalyst, e.g., butylamine. Then, HCHO is introduced continuously into the resulting solution, and polymerized under an atmospheric pressure to 5kg/cm
2 and a temperature of -20W80°C.
COPYRIGHT: (C)1982,JPO&Japio
摘要翻译：目的：为了防止聚甲醛沉积在反应容器的内壁或类似区域上，通过在特定的多价金属盐，特定的聚乙二醇单醚和特定的聚合催化剂存在下，将惰性有机介质中的HCHO淤浆聚合，。构成：向1l惰性有机介质如苯中加入0.1-50mg选自式I的烷基水杨酸的多价金属盐的多价金属盐，其中R 2为3-22C 烷基和m为1-3，并且式II的磺基琥珀酸的多价金属盐，其中R 3和R 4各自为3-8C烷基，1-500mg式 III，其中R 1是10-20C烷基，烯基或烷基芳基，n是2-10和1×10 -7 -10 -3摩尔的聚合催化剂，例如丁胺。然后，将HCHO连续引入所得溶液中，并在大气压下聚合至5kg / cm 2和-20-80℃的温度。

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