发明授权
- 专利标题: Process for producing improved polyester resins by blending magnesium oxide therewith
- 专利标题(中): 通过混合氧化镁生产改性聚酯树脂的方法
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申请号: US3795717D申请日: 1971-06-30
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公开(公告)号: US3795717A公开(公告)日: 1974-03-05
- 发明人: PASSALENTI B , NISTRI U , VARGIU S , GIOVANNI S
- 申请人: SIR SOC ITALIANA RESINE SPA
- 专利权人: Sir Soc Italiana Resine Spa
- 当前专利权人: Sir Soc Italiana Resine Spa
- 优先权: IT2684970 1970-07-01
- 主分类号: C08F283/01
- IPC分类号: C08F283/01 ; C08K3/22 ; C08F21/02
摘要:
UNSATURATED POLYESTER COMPOSITIONS ARE BLENDED WITH 0.001 TO 0.05% BY WEIGHT MAGNESIUM OXIDE AND MAINTAINED AT 40* TO 70*C. FOR 0.2 TO 3.0 HOURS TO RENDER THEM STABLE FOR STORAGE AND REGULATED THE GEL TIME.
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