Original document(7 pages)  中文版
    A preparation method of polyurethane-vinyl polymer water dispersion liquor includes the following steps: (a) Prparing isocyanate end group polyurethane prepolymer containing hydrophilic group; (b) end-capping said prepolymer by using said invented end-capping agent (said invention provides its structural formula), and the end-capped hydrophilic polyurethane prepolymer would be deblocked in water; (c) adding vinyl monomer into end-capped prepolymer to form end-capped polyurethane prepolymer and vinyl monomer mixture; (d) adding trialkylamine to the above-mentioned mixture; (e). dispersing the mixture in water; (f). adding initiator and chain extender the water dispersion liquor and (g) heating the water dispersion liquor to make vinyl monomer polymerize and make the end-capped polyurethane prepolymer deblock and then extend chain.
Application Number
申请号
99113749 Application Date
申请日
1999.05.31
Title 名称 Process for preparation of polyurethane-vinyl polymer water dispersing liquid
Publication Number
公开号
1275585 Publication Date
公开日
2000.12.06
Approval Pub. Date Granted Pub. Date
International Classification 分类号 C08G18/10,C08G18/83
Applicant(s) Name
申请人
Huadong Science and Engineering Univ.
Address 地址 200237
Inventor(s) Name 发明人 Ying Shengkang, Hu Chunpu
Attorney & Agent 代理人

  
Method for prepn. of rubber and vinyl monomer graft polymer
Catalyst able to control polymerizing reaction and its application
Synthesis process of A(B)n type copolymer from hydroxyl or amine compound
Method for preparing strong water absorbent
Process for synthesis of alternating isobutene-maleic anhydride resin
Method for producing star-shape polymer by coupling technology
Process for preparing randomly solution polymerized butadiene-styrene rubber with low 1,2-structure and wide molecular weight distribution
Process for preparing graft copolymer of polyether-vinyl polymer
Preparation of nanometer composite particles-organic polymer mixed composite system
Process for preparing poly ether-polyolefine unsaturated compound block copolymer
Note:All patent data come from State Intellectual Property Office of the People's Republic of China. If there were discrepancies between here and the State Intellectual Property office, the later is more accurate. The patent data is only for public exchange and learning purposes. We are not responsible for the adverse consequences with unverified use of the data.