ES394098A1 - Procedure to increase the hardness of flexible polyurethane foam plates. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure to increase the hardness of flexible polyurethane foam plates. (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.)
Manufacturas Jose Jover SA
Original Assignee
Manufacturas Jose Jover SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Manufacturas Jose Jover SAfiledCriticalManufacturas Jose Jover SA
Priority to ES394098ApriorityCriticalpatent/ES394098A1/en
Publication of ES394098A1publicationCriticalpatent/ES394098A1/en
Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products
(AREA)
Abstract
Procedure to increase the hardness of flexible polyurethane foam sheets, characterized in that in a first stage a flexible polyurethane foam sheet is impregnated with an aqueous solution of polyvinyl alcohol, followed by a second phase to dry of the foam, impregnated with the aqueous solution of polyvinyl alcohol, at a temperature higher than 150º c. (Machine-translation by Google Translate, not legally binding)
ES394098A1971-08-101971-08-10Procedure to increase the hardness of flexible polyurethane foam plates. (Machine-translation by Google Translate, not legally binding)
ExpiredES394098A1
(en)