TW200427717A - Copolyester ether polyurethane prepolymer for foam molding and its manufacturing method - Google Patents

Abstract

This invention provides a copolyester ether polyurethane prepolymer for foam molding and its manufacturing method. A prepolymerization is carried out by using polyether polyol having molecular weight of 1000-6000 and polyester polyol having molecular weight of 1000-3000, in which the amount of ether added is 5%-20%. In order to improve stability, a third component polyol having molecular weight of 200-500 and functionality of 2-3 or an amine catalyst of 0.01%-0.1% is added. Finally, the copolyester ether polyurethane prepolymer is added with a polyol, a crosslinker, foaming agent, a catalyst and a surfactant for foaming reaction to produce products having a density of 0.25-0.8. The foamed product manufactured from the above-mentioned copolyester ether polyurethane prepolymer exhibits dual advantages of the polyether material and the polyester material.

Description

200427717 V. Description of the Invention (1) [Technical Field of the Invention] The present invention provides a copolyester and ether polyurethane prepolymer for foam molding; specifically, the present invention uses a poly-poly Alcohols and polyester polyols with molecular weights between 1000 and 3000 are pre-polymerized to a certain proportion, and a third component polyol or amine catalyst with a functional group number of 2 to 3 is added to improve stability, and foaming is used. Molding technology to produce products' This way, the foamed products made of the copolyester and ether polyurethane prepolymer will have both the advantages of polyether materials and polyester materials. [Previous technology] χ According to the continuous research and development of foam molding technology, various materials can be used in foam molding technology; today, foam products play a more important role in various industries. However, the materials used in foam molding technology not only affect the characteristics of the product, but also have a significant impact on the quality of foam molding. Therefore, the development and improvement of finished materials is very important to the industry today. u 成 ^-There are two kinds of materials commonly used in foam forming,-one is polyether material and the other is poly-vinyl alcohol; the respective material defects are as follows: material defects and other polyether materials are:

$ 6 pages 200427717 V. Description of the invention (2) 2 · Water-scale materials have poor solvent resistance. The shortcomings of polyester materials are: 1. Poly-S purpose-like materials: (Vo id) serious problems. X, shrinkage and foaming are easy to occur during overworking 2 · Polyester materials oblique square 丄 3 · Polyacetate materials are subject to low-temperature tortuous fracture. / / Bucket truck Kariya is prone to hydrolysis problems. Therefore, how to open up the dual advantages of Su + ^ materials, as early as: =: There are problems with poly materials and poly materials, and the above content is related to the motivations of the manufacturers most want to overcome. Hezhong Institute-the current problem is also the research and development of the creator of this case [Content of the invention] Jiuzong Ϊ ί t '' The inventor of this case has been thinking carefully and has been engaged in two materials and related polyester and polyether materials for many years. Sales, research 7. After two or two years of experience, a copolyester for foam molding has been developed for a long time, ^ Ϊ § prepreparative compound, which can not only reduce the impact of defects on polyether materials and polyester materials, but also play a role in polyether The primary purpose of the dual advantages of materials and polyester materials is to provide a co-polyester and lysine prepolymer for foam molding. It uses polyether polyols and polyester polyols to produce prepolymers.

200427717 V. Description of the invention (3) Pre-polymerization, and the addition amount of ether is between 5% ~ 20%, and the addition of polyol or amine catalyst to increase stability, and the copolyester, ether polyurethane prepolymer Foaming with polyol, bridging agent, foaming agent, catalyst, and surfactant, so that the foamed product of the present invention has both the dual advantages of polyether material and polyester material. [Invention Mode] The invention related to this case is to achieve For the above purpose, adopted technology and means, please refer to the following manufacturing method, please refer to the first figure: (1), mixing step: in a heating reaction tank, a poly S purpose polyol having a molecular weight between 1000 and 3000 and a molecular weight between 1000 ~ 6000 polyether polyols are mixed uniformly. (2) Step of adding a stabilizer: Add a third component polyol having a functional group number of 2 to 3 to improve the stability of the polyester polyol and polyether polyol which are uniformly mixed or add 0.01% to 0.1%. Amine catalyst, and the addition amount of ether is between 5% and 20%. (3) Reaction step: reacting with 4, 4-diisocyanate diphenylphosphorane at 70 to 90 ° C for 1 to 3 hours, and forming a prepolymer. (4) Foaming step: the prepolymer is mixed with a variety of polyester polyols having an average molecular weight of 15,000 to 2500 with ethylene glycol, water, an amine catalyst, and a sintered surfactant. Foaming reaction. A preferred embodiment is listed below and described in detail with reference to the drawings.

200427717 V. Description of the invention (4) The purpose, characteristics and other advantages of the invention of the present case should be understood in detail; first please refer to the second figure, which is the production steps of the embodiment of the present invention Figure, the steps are described below: (1), mixing step: before heating the reaction tank, the molecular weight of 1 00 〇 (between 1 0 0 ~ 3 0 0 0) polyester polyol 27 g (2) Mix with 7 grams (g) of polyether polyol with a molecular weight of 4 0 0 (between 1000 and 6000). (II) Stabilizing agent addition step: Add amine catalyst to the mixed polyester polyol and polyether polyol, 0.05 g (g) (addition amount of ether is between _ 5 ° / 〇-20 ° / 〇). (2) Step of reaction: from 70 to 90. It is reacted with 60,4 g of diphenyl isocyanate (MDI-60g) at 0 ° C for 1 to 3 hours, and a prepolymer of 0% = 19% N C is formed.

urn w) 4200 NCO% tMBi 200427717

V. Description of the invention (5) WMDI two MDI weight, Wp〇ly = polyol weight EqMD, MDI equivalent, Eqp〇; ly = polyol equivalent (4), a variety of polyester with 1500 ~ 2500 foam midsole shoe material Multi-catalysts and silane-based surfactants are molded into the mold, which can be used to make materials; with the above-mentioned material characteristics and Ming Nai, the midsole shoe material can achieve the same advantages at the same time. (Please refer to Annex I. Secondly, the inventor will explain it separately hereafter. Please refer to the production process diagram illustrated in the third diagram. The steps are described as follows. · The prepolymer and the average molecular alcohol mixture and ethylene glycol , Water, amine foaming reaction, and infusion of soles with a density of 0.34 ~ .36 insoles, the ingenious arrangement of mutual polymerization of the sole, the hair with polyether material and polyester material Shuangming) The example is shown in detail in conjunction with the diagram. The third diagram is another implementation of the present invention.

(A) Step of mixing and adding stabilizer: The original mixing step and the step of adding stabilizer can be synchronized as the step of mixing and adding stabilizer. In the heating reaction tank, the molecular weight of 2 0 0 0 (between 1 0 0 0 ~ 3 0 0 0) polyester polyol 27 g (g), molecular weight 40 0 0 (between 1 0 0 0 ~ 6 0 0 0) polyether polyol 15 g (g) and molecular weight 2 5 0 The polyol is mixed well. (B) Reaction step: react with 55-g 4,4-diisocyanate (MD 1-5 5g) at 70 ~ 90 ° C (Celsius) for 3 hours, and generate

Page 10 200427717

V. Description of the invention NC0%-

C # 15〇n. Steps of foaming outsole shoe materials. · Mix prepolymer with average molecular catalyst and various poly-8 polyols with ethylene glycol, water, amine mold, and 70 kinds of interfacial activity. The agent performs a foaming reaction 'and is poured into a sole mold, and then molded, thereby making it possible to produce 2 materials with high physical properties of ~ 0.8; by the above-mentioned material characteristics; the clever arrangement of mutual polymerization, the present invention can make large The sole shoe material has the dual advantages of both polyether material and polyester material. (See Annex II

X — In summary, the present invention provides a copolyester for foam molding, ether lysine, or a prepolymer, which utilizes polyscale polyols with molecular weights ranging from 1,000 to 6,000. Polyester polyols with a molecular weight between 10,000 and 3,000 are pre-polymerized 'and the amount of ether added is between 5% and 20%, and another functional group with a molecular weight between 2,000 and 500 is added to improve stability. 2 ~ 3 the third component polyol or added 0.01% ~ 0.1% amine catalyst, finally this copolyester, ether polyurethane prepolymer with polyol, bridging agent, foaming agent, catalyst 2. Surfactant performs foaming reaction and produces a product with a density of 0.2 5 to 0.8. The foamed product made of the above copolyester and bond polyurethane prepolymer 'will have polyether material at the same time. And the dual advantages of polyester materials; therefore, the "availability of the industry" of the present invention should be beyond doubt. In addition, the structure disclosed in the embodiment of the present invention has not been seen in publications or published before the application. The use of the fact that it has the above-mentioned effect enhancement is, therefore, the present invention Both "newness" and "progressiveness" have complied with patent laws and regulations, and proposed inventions according to law

200427717

Page 12 200427717 Brief description of the drawing The drawing part The first drawing is a schematic diagram of the manufacturing steps of the present invention. The second diagram is a step diagram of an embodiment of the present invention. The third diagram is a step diagram of another embodiment of the present invention. Attachment Attachment 1 The advantages of the present invention applied to midsole shoe materials. Annex II The advantages of the present invention applied to outsole shoe materials. Drawing number part (1), mixing step (2), stabilizer addition step (3), reaction step (4), foaming step (1), mixing step (2), stabilizer addition step (3), reaction Step (d), step of foaming midsole shoe material

Page 13 200427717 Schematic description

A B C Mixing and stabilizer addition step Reaction step Foaming outsole shoe material step liHi Page 14

Claims (1)

200427717 6. Scope of patent application 1. A copolyester and ether polyurethane prepolymer for foam molding, characterized in that the molecular weight of the polyester polyol is between 100 and 300 The molecular weight of the alcohol is between 1000 and 6000. Polyester polyol and polyether polyol are mixed with a third component polyol having a functional group number of 2 to 3, and the addition amount of the ether is between 5% and 20%. After the reaction of diphenylmethane diisocyanate, copolyester and ether polyurethane prepolymer are formed. _ 2. A method for producing copolyester and ether polyurethane prepolymer for foam molding, characterized in that: (1), mixing step: in a heating reaction tank, a polyester with a molecular weight of 1000 to 3000 is multiplied Alcohol and polyether polyols with molecular weights ranging from 1000 to 6000 are mixed uniformly; (2) Step of adding stabilizers: adding uniformly mixed polyester polyols' polyether polyols to improve the stability of functional groups of 2 to 3 The third component is polyhydric alcohol, and the added amount of ether is between 5% and 20%; (3) Reaction step: react with 4, 4-diisocyanate diphenylmethane at 70 ~ 90 ° C for 1 ~ 3 (4), foaming step: mixing the prepolymer with a variety of polyester polyols with an average molecular weight of 1 500 ~ 2 500 with ethylene glycol, water, and amine catalysts And second firing surfactants perform foaming reaction. · 3. The copolyester, ether polyurethane prepolymer for foam molding and the manufacturing method therefor as described in item 1 or 2 of the scope of the patent application, wherein the third component with a functional group number of 2 to 3 which improves stability is plural The molecular weight of alcohol is between 200 ~ 500. Page 15 200427717 6. Scope of patent application 4. The copolyesters, ether polyurethane prepolymers for foam molding as described in item 1 or 2 of the scope of application for patents, and manufacturing methods thereof, wherein the stability is improved by adding 0. 0 1% ~ 0. 1% of amine catalyst. 5. If the application of polyurethane pre-polymerization amount of 1,000 is uniformly mixed, amine catalyst 0.05 g of 60 oxane and NCO sub-quantity 1 500 0 ~ amine catalyst and stone Xidie mold for molding In the copolyester and ether thermal reaction tank, add 7 g of polyether polyol as molecular polyether polyol to the diphenyl diisocyanate (5% ~ 2G%), and prepolymer and average fraction and Glycol, water, and should be poured into the shoe material. The method for producing a foamed compound according to item 2 of the patent scope, wherein 27 g of the polyester polyol with a molecular weight of 4 0 0 and a polyester polyol with a molecular weight of 4 0 0 are uniformly mixed at 70 to 90 ° C (Celsius ) Should be 1 to 3 hours (prepolymers with an added amount of ether of 21% to 19%). A variety of polyacetate polyols of 2500 are mixed and burned with surfactants for foaming. The inverse density reaches 0.34 to 0.36. 6. The method for manufacturing a copolyester and ether polyurethane for foam molding as described in item 2 of the scope of the patent application, wherein the mixing step and the step of adding a stabilizer may, simultaneously, be mixing and adding stabilizer In the heating reaction tank, in a heating reaction tank, 27 grams of polyester polyol having a molecular weight of 2000, 15 grams of a polyether polyol having a molecular weight of 400, and a polyol having a molecular weight of 250 are mixed uniformly, and the mixture is 70 to 90 It reacts with 55 g of diphenylmethane diisocyanate for 1 to 3 hours at ° C (Celsius), and generates a prepolymer with NCO% of 19%. The prepolymer is then mixed with a variety of polyacetic acid with an average molecular weight of 1500 to 2500. Alcohol mixture with ethylene glycol Page 16 200427717 Page 17