发明名称 |
Hardener for use in-urea-formaldehyde and urea-melamine-formaldehyde based adhesives, an adhesive composition comprising said hardener and its use |
摘要 |
A hardener for use in urea-formaldehyde and urea-melamine-formaldehyde based adhesives comprises a polyvinyl acetate emulsion together with a metal chloride and an ammonium salt. The adhesive composition comprising a urea-formaldehyde or urea-melamine-formaldehyde resin, and the above hardener provides an increased curing rate, an acceptable viscosity, better adhesion and greater tolerance towards substrate type.
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申请公布号 |
US6590013(B1) |
申请公布日期 |
2003.07.08 |
申请号 |
US20010744376 |
申请日期 |
2001.07.11 |
申请人 |
A/S F. HEIMANN & CO. |
发明人 |
ANDERSEN BJOERN;BREHMER BO GAO |
分类号 |
C09J161/24;C09J161/28;(IPC1-7):C08L1/00 |
主分类号 |
C09J161/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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