会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明公开
    • 푸란수지 조성물,푸란수지―경화제 조성물,및 이의 주물용사 조성물
    • FURAN树脂组合物,FURAN树脂硬化剂组合物及其相同的成分
    • KR1020110049527A
    • 2011-05-12
    • KR1020090106577
    • 2009-11-05
    • 코오롱인더스트리 주식회사
    • 이제민양정한박상훈문대인
    • C08L71/14C08K5/42C08K7/16
    • PURPOSE: A furan resin composition, furan resin-hardener composition, and foundry sand molds thereof are provided to secure environment-friendliness and safety health of residential area and workplace since toxic materials such as the phenol and formaldehyde are not included. CONSTITUTION: A furan resin composition includes a polycondensate of a mixture A or a polycondensate of a mixture B, and unreacted furfuryl alcohol. The mixture A consists of furfuryl alcohol and glyoxal. The mixture B consists of furfuryl alcohol, glyoxal, and urea. The mixture A includes 5-40 parts by weight of glyoxal based on 100 parts by weight of furfuryl alcohol. The unreacted furfuryl alcohol includes 30-90 parts by weight of the furan resin composition.
    • 目的:提供呋喃树脂组合物,呋喃树脂 - 硬化剂组合物及其铸造砂模,以确保住宅区和工作场所的环境友好和安全健康,因为不包括苯酚和甲醛等有毒物质。 构成:呋喃树脂组合物包括混合物A或混合物B的缩聚物和未反应的糠醇的缩聚物。 混合物A由糠醇和乙二醛组成。 混合物B由糠醇,乙二醛和尿素组成。 基于100重量份的糠醇,混合物A包括5-40重量份的乙二醛。 未反应的糠醇包括30-90重量份的呋喃树脂组合物。