摘要:
The present invention provides a production process, in which, when an ethylene oxide copolymer is obtained, conditions for obtaining this copolymer having a desirable molecular weight with ease and good reproducibility are provided. The production process for an ethylene oxide copolymer, according to the present invention, comprises the step of carrying out polymerization of a monomer mixture under stirring in a solvent, thereby obtaining the ethylene oxide copolymer, wherein the monomer mixture includes ethylene oxide and a substituted oxirane compound of a structural formula (1) as essential raw materials; with the production process being characterized in that the stirring is carried out by a stirring power of not less than 0.6 kW/m 3 .
摘要翻译:本发明提供了一种制备方法,其中当获得环氧乙烷共聚物时,提供了获得具有理想的分子量并且具有良好的再现性的共聚物的条件。 根据本发明的环氧乙烷共聚物的制备方法包括在溶剂中在搅拌下进行单体混合物聚合的步骤,从而得到环氧乙烷共聚物,其中单体混合物包括环氧乙烷和取代的环氧乙烷 以结构式(1)为基本原料的化合物; 其制造方法的特征在于通过不低于0.6kW / m 3的搅拌功率进行搅拌。
摘要:
An object of the present invention is to provide a process which can produce, easily and with good productivity and reproducibility, an ethylene oxide copolymer provided with desired compositional ratios of monomers and a desired molecular weight and further with a desired melting point. As a means of achieving this object, a process according to the present invention for production of an ethylene oxide copolymer is a process comprising a step of polymerizing a monomer mixture including ethylene oxide as a main component, thereby producing the ethylene oxide copolymer, with the process being characterized in that the polymerization step includes at least one step each of the following steps: a step in which only the ethylene oxide is supplied to thus polymerize it; and a step in which the ethylene oxide and another monomer are supplied to thus polymerize them.
摘要:
The present invention provides a curable resin composition and its application to laminate film, which can form a coating film having excellent performances such as adhesion to various substrates at a low temperature of 150 DEG C or lower, water resistance and chemical resistance, can be suitably used for various purposes of use, and can be used safely. The curable resin composition comprises a carboxyl group-containing polymer and an oxazoline group-containing polymer, and is characterized in that the carboxyl group-containing polymer contains primary and/or secondary amino groups.
摘要:
The present invention provides a novel amino-group-containing polymer (salt) and a production process therefor wherein the amino-group-containing polymer (salt) is a product by a process including the step of introducing amino groups into a grafted polymer having a polyether skeleton, and can make good use of the reactivity or cationic property of at least primary amino groups and further, according to circumstances, secondary amino groups, and further can display various performances, such as curability useful for various uses and adsorbency onto films or fibers. The novel amino-group-containing polymer (salt) is a product by a process including the steps of: carrying out a graft polymerization of a monoethylenically unsaturated monomer component onto a polyether compound, wherein the monoethylenically unsaturated monomer component includes an unsaturated carboxylic monomer as an essential component, and wherein the polyether compound has a specific repeating unit in a ratio of not less than 30 mol % and has a number-average molecular weight of not less than 150; and introducing amino groups by carrying out a ring-opening addition of an alkylenimine to at least a part of carboxyl group portions of the monoethylenically unsaturated monomer component which has been graft-polymerized onto the polyether compound, wherein at least a part of the amino groups might be neutralized with an acid.
摘要:
The present invention provides a resin composition comprising: a urethane resin and/or a resin as obtained by polymerizing a monomer component including an α,β-unsaturated carboxylic acid as an essential component; and a multivalent metal compound; which resin composition is excellent in the one-liquid stability and also in the coating-film appearance, coating-film adhesion, water-rubbing resistance, warm-water-whitening resistance, and blocking resistance. The resin composition, according to the present invention, comprises: the urethane resin and/or the resin as obtained by polymerizing the monomer component including the α,β-unsaturated carboxylic acid as an essential component; and the multivalent metal compound; with the resin composition being characterized by further comprising tartaric acid and/or its salt.
摘要:
The present invention provides an aqueous fast-drying resin composition which is excellent in the fast driability and can exhibit performances with regard to adhesion and resistance on a level with those of solvent type compositions. An aqueous fast-drying resin composition comprises a combination of a water-soluble anionic resin having a weight-average molecular weight of not lower than 1,000, a cationic resin having a number-average molecular weight of 600 to 5,000,000, and a polyvalent metallic compound. In addition, another aqueous fast-drying resin composition comprises an aqueous medium and a resin component wherein the aqueous medium will be removed by drying. In this aqueous fast-drying resin composition, the resin component includes a combination of a water-soluble anionic resin having a weight-average molecular weight of not lower than 1,000 and a cationic resin having a number-average molecular weight of 600 to 5,000,000, and is combined with a polyvalent metallic compound.
摘要:
The present invention provides a curable resin composition and its application to laminate film, which can form a coating film having excellent performances such as adhesion to various substrates at a low temperature of 150°C or lower, water resistance and chemical resistance, can be suitably used for various purposes of use, and can be used safely. The curable resin composition comprises a carboxyl group-containing polymer and an oxazoline group-containing polymer, and is characterized in that the carboxyl group-containing polymer contains primary and/or secondary amino groups.