Method for preparing cured polymers and products thereof
Номер патента: GB1399360A
Опубликовано: 02-07-1975
Автор(ы):
Принадлежит: International Business Machines Corp
Опубликовано: 02-07-1975
Автор(ы):
Принадлежит: International Business Machines Corp
Реферат: 1399360 Resin cure indication INTERNATIONAL BUSINESS MACHINES CORP 27 Oct 1972 [26 Nov 1971] 49539/72 Heading G1B [Also in Division C3] A method of indicating various stages through which a curable synthetic organic resin system passes comprises mixing said system with phenosafranin and then curing the system, the complete curing of the resin being indicated by a colour change. The resin system is most preferably a phenoxy/epoxy, epoxy or polyurethane system and the phenosafranin is used in an amount of 0.001 to 2 per cent by weight of total solids. The colour change may be observed by means of a spectrometer.
Foamed polymer and process for production thereof
Номер патента: CA2106453C. Автор: Paul V. Farkas. Владелец: Woodbridge Foam Corp. Дата публикации: 2000-08-22.