AQUEOUS POLYURETHANE RESIN EMULSION COMPOSITION HAVING BIODEGRADABILITY
To provide an aqueous polyurethane resin emulsion composition having excellent biodegradability and flexibility.SOLUTION: Provided is an aqueous polyurethane resin emulsion composition is a reaction product of: an isocyanate group-terminated prepolymer (A) which is a reaction product of polyisocyana...
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Main Authors | , , |
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Format | Patent |
Language | English Japanese |
Published |
06.12.2018
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Subjects | |
Online Access | Get full text |
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Summary: | To provide an aqueous polyurethane resin emulsion composition having excellent biodegradability and flexibility.SOLUTION: Provided is an aqueous polyurethane resin emulsion composition is a reaction product of: an isocyanate group-terminated prepolymer (A) which is a reaction product of polyisocyanate (a1), polycaprolactone diol (a2), carboxyl group-containing diol (a3) and a neutralizer (a4); an isocyanate group-terminated prepolymer (B) which is a reaction product of polyisocyanate (b1) and alkoxypolyethylene glycol (b2), wherein the number of functional groups of 1.7 to 2.6; and an aliphatic diamine.SELECTED DRAWING: None
【課題】優れた生分解性、柔軟性を有する水性ポリウレタン樹脂エマルジョン組成物を提供すること。【解決手段】ポリイソシアネート(a1)とポリカプロラクトンジオール(a2)とカルボキシル基含有ジオール(a3)と中和剤(a4)との反応生成物であるイソシアネート基末端プレポリマー(A)と、ポリイソシアネート(b1)とアルコキシポリエチレングリコール(b2)との反応生成物であり、官能基数1.7〜2.6であるイソシアネート基末端プレポリマー(B)と、脂肪族ジアミンとの反応生成物である水性ポリウレタン樹脂エマルジョン組成物により解決する。【選択図】なし |
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Bibliography: | Application Number: JP20170095440 |