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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)

Info

Publication number
ES394098A1
ES394098A1 ES394098A ES394098A ES394098A1 ES 394098 A1 ES394098 A1 ES 394098A1 ES 394098 A ES394098 A ES 394098A ES 394098 A ES394098 A ES 394098A ES 394098 A1 ES394098 A1 ES 394098A1
Authority
ES
Spain
Prior art keywords
polyurethane foam
flexible polyurethane
hardness
translation
procedure
Prior art date
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.)
Expired
Application number
ES394098A
Other languages
Spanish (es)
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 SA filed Critical Manufacturas Jose Jover SA
Priority to ES394098A priority Critical patent/ES394098A1/en
Publication of ES394098A1 publication Critical patent/ES394098A1/en
Expired legal-status Critical Current

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)
  • 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 150ยบ c. (Machine-translation by Google Translate, not legally binding)
ES394098A 1971-08-10 1971-08-10 Procedure to increase the hardness of flexible polyurethane foam plates. (Machine-translation by Google Translate, not legally binding) Expired ES394098A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES394098A ES394098A1 (en) 1971-08-10 1971-08-10 Procedure to increase the hardness of flexible polyurethane foam plates. (Machine-translation by Google Translate, not legally binding)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES394098A ES394098A1 (en) 1971-08-10 1971-08-10 Procedure to increase the hardness of flexible polyurethane foam plates. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
ES394098A1 true ES394098A1 (en) 1974-04-16

Family

ID=8458978

Family Applications (1)

Application Number Title Priority Date Filing Date
ES394098A Expired ES394098A1 (en) 1971-08-10 1971-08-10 Procedure to increase the hardness of flexible polyurethane foam plates. (Machine-translation by Google Translate, not legally binding)

Country Status (1)

Country Link
ES (1) ES394098A1 (en)

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