发明名称 |
método de formação de uma composição de resina fenólica modificada,composição de resina fenólica modificada, produto abrasivo e o método da fabricação do mesmo |
摘要 |
A resorcinol-modified phenolic resin composition is formed by reacting a basic catalyst, formaldehyde, water and a benzene-ol to form an intermediate composition to which resorcinol is subsequently added to reduce the presence of free formaldehyde. Optionally, an alkanolamine can be combined and reacted with the resorcinol-modified phenolic resin composition to form a resorcinol-alkanolamine-modified phenolic resin composition. The resorcinol-modified phenolic resin and the resorcinol-alkanolamine-modified phenolic resin compositions can be employed to coat abrasive products having a relatively low free formaldehyde content. |
申请公布号 |
BRPI0817220(A2) |
申请公布日期 |
2016.05.03 |
申请号 |
BR2008PI17220 |
申请日期 |
2008.09.19 |
申请人 |
SAINT-GOBAIN ABRASIFS;SAINT-GOBAIN ABRASIVES, INC. |
发明人 |
ABDUL HABID PULLICHOLA;ADISESHAIAH K. SESHU;JAGMOHAN VERMA;KOTTOTIL MOHAN DAS;OLIVIER PONS Y MOLL;PHILIPPE ESPIARD |
分类号 |
B24D3/28;C08G8/24;C08G8/28;C09D161/06;C09D161/14;C09J161/06;C09J161/14 |
主分类号 |
B24D3/28 |
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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