Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1977-09-29
1979-03-06
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521905, C08J 900
Patent
active
041430042
ABSTRACT:
A process is provided for the preparation of soft hydrophilic polyurethane foam using a polyether polyol mixture having a high proportion of primary alcohol groups and a selected ratio of polyisocyanate to polyol.
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patent: 4008189 (1977-02-01), VAN Leurven et al.
Idstrom Bo T.
Stromblad Mats V.
Berol Kemi AB
Jacobs Lewis T.
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