ES447318A1 - Procedure for the manufacture by molding of objects of formo-fenolica resin. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the manufacture by molding of objects of formo-fenolica resin. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GMT SA
G M T SA
Original Assignee
GMT SA
G M T SA
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Publication date
Application filed by GMT SA, G M T SAfiledCriticalGMT SA
Priority to ES447318ApriorityCriticalpatent/ES447318A1/en
Publication of ES447318A1publicationCriticalpatent/ES447318A1/en
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Injection Moulding Of Plastics Or The Like
(AREA)
Abstract
Process for the manufacture by molding of objects of phenolic resin, characterized in that at least one charge comprising a mineral powder and mineral, vegetable or synthetic fibers is added to the resin, before addition of an acidic or basic catalyst and because the resin is homogenized by malaxing, said fillers, then the catalyst, before addition of a swelling product, with low boiling point and because the prepared dough is injected in a differentially heated mold, so that the resin is developed in foam with alveoli closed in a decreasing manner from the hot zone to the cold zone, arranged in the lower part of the mold and corresponding to a part of the molded object, which has the highest density and a resistant film over its entire surface. (Machine-translation by Google Translate, not legally binding)
ES447318A1976-04-241976-04-24Procedure for the manufacture by molding of objects of formo-fenolica resin. (Machine-translation by Google Translate, not legally binding)
ExpiredES447318A1
(en)
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