BR112013026700A2 - composto elastomérico microporoso de poliuretano com excelente desempenho dinâmico e método de preparação do composto - Google Patents

composto elastomérico microporoso de poliuretano com excelente desempenho dinâmico e método de preparação do composto

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Publication number
BR112013026700A2
BR112013026700A2 BR112013026700A BR112013026700A BR112013026700A2 BR 112013026700 A2 BR112013026700 A2 BR 112013026700A2 BR 112013026700 A BR112013026700 A BR 112013026700A BR 112013026700 A BR112013026700 A BR 112013026700A BR 112013026700 A2 BR112013026700 A2 BR 112013026700A2
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BR
Brazil
Prior art keywords
polyurethane elastomeric
microporous
compound
preparation
present
Prior art date
Application number
BR112013026700A
Other languages
English (en)
Inventor
Jian Li
Qingfeng Sun
Zhaoren Sun
Original Assignee
Shandong Dongda Inov Polyurethane Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shandong Dongda Inov Polyurethane Co Ltd filed Critical Shandong Dongda Inov Polyurethane Co Ltd
Publication of BR112013026700A2 publication Critical patent/BR112013026700A2/pt

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08—Processes
    • C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203—Polyhydroxy compounds
    • C08G18/3206—Polyhydroxy compounds aliphatic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3271—Hydroxyamines
    • C08G18/3275—Hydroxyamines containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
    • C08G18/4266—Polycondensates having carboxylic or carbonic ester groups in the main chain prepared from hydroxycarboxylic acids and/or lactones
    • C08G18/4269—Lactones
    • C08G18/4277—Caprolactone and/or substituted caprolactone
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4825—Polyethers containing two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/48—Polyethers
    • C08G18/4854—Polyethers containing oxyalkylene groups having four carbon atoms in the alkylene group

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

resumo “composto elastomérico microporoso de poliuretano com excelente desempenho dinâmico e método de preparação do composto”, a presente invenção relaciona-se com a preparação de um composto elastomérica microporosa de poliuretano com excelente desempenho dinâmico, consistindo de um componente a e um isocianato modificado. o componente a é composto de um polímero de poliol, um extensor de cadeia, um agente espumante, um catalisador a, um catalisador b, um estabilizador de espuma, e um antioxidante. a presente invenção possui as seguintes vantagens: (1) a presente invenção é um material elastomérico microporoso de poliuretano preparados por semi-pré-polimerização, e os dois grupos de materiais fracionados têm viscosidade semelhante e proporção de massa misturada, baixa temperatura de mistura; os materiais são fáceis de misturar e as condições para o controle do processo são simples e fáceis de operar. (2) o material elastomérico microporoso de poliuretano preparado a partir do composto proporcionada pela presente invenção tem uma proporção de rigidez dinâmica para a estática de = 1,35, uma resistência de impacto de = 75%, uma taxa de alteração em tamanho de = 20%, sem danos a aparência após 3 milhões de ensaios de fadiga, e podem ser utilizados na preparação de produtos de alta performance, tais como blocos de amortecimento de vibrações de trilhos de ferrovias de alta velocidade e elementos de amortecimento de vibrações em veículos.
BR112013026700A 2011-12-23 2012-03-19 composto elastomérico microporoso de poliuretano com excelente desempenho dinâmico e método de preparação do composto BR112013026700A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110437144XA CN102585162A (zh) 2011-12-23 2011-12-23 动态性能优异的微孔聚氨酯弹性体组合物及其制备方法
PCT/CN2012/000341 WO2013091271A1 (zh) 2011-12-23 2012-03-19 动态性能优异的微孔聚氨酯弹性体组合物及其制备方法

Publications (1)

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BR112013026700A2 true BR112013026700A2 (pt) 2017-04-25

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Country Status (3)

Country Link
CN (1) CN102585162A (pt)
BR (1) BR112013026700A2 (pt)
WO (1) WO2013091271A1 (pt)

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