PL413582A1 - Method for producing polyurethane auxetic foam with elongated return time - Google Patents
Method for producing polyurethane auxetic foam with elongated return timeInfo
- Publication number
- PL413582A1 PL413582A1 PL413582A PL41358215A PL413582A1 PL 413582 A1 PL413582 A1 PL 413582A1 PL 413582 A PL413582 A PL 413582A PL 41358215 A PL41358215 A PL 41358215A PL 413582 A1 PL413582 A1 PL 413582A1
- Authority
- PL
- Poland
- Prior art keywords
- foam
- producing polyurethane
- return time
- auxetic foam
- elongated return
- Prior art date
Links
Abstract
Ujawniono sposób wytwarzania poliuretanowej pianki auksetycznej o wydłużonym czasie powrotu w stosunku do pianki wiskoelastycznej, z której ją wytworzono, charakteryzującej się ujemnym współczynnikiem Poissona przy naprężeniach ściskających. Przed każdym następnym stopniem kompresji piankę wyjmuje się z formy i rozciąga się ręcznie do co najmniej 60% objętości pianki w stosunku do objętości pianki w stanie wyjściowym.A method for producing polyurethane auxetic foam with an extended recovery time is disclosed relative to the viscoelastic foam from which it was made, which has a negative Poisson's ratio at compressive stresses. Before each subsequent degree of compression, the foam is removed from the mold and stretched manually to at least 60% of the foam volume relative to the foam volume at the initial state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL413582A PL413582A1 (en) | 2015-08-17 | 2015-08-17 | Method for producing polyurethane auxetic foam with elongated return time |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL413582A PL413582A1 (en) | 2015-08-17 | 2015-08-17 | Method for producing polyurethane auxetic foam with elongated return time |
Publications (1)
Publication Number | Publication Date |
---|---|
PL413582A1 true PL413582A1 (en) | 2017-02-27 |
Family
ID=58091971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL413582A PL413582A1 (en) | 2015-08-17 | 2015-08-17 | Method for producing polyurethane auxetic foam with elongated return time |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL413582A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107474303A (en) * | 2017-07-11 | 2017-12-15 | 中国科学院长春应用化学研究所 | A kind of negative poisson's ratio polymer foams and preparation method thereof |
CN109776961A (en) * | 2019-01-22 | 2019-05-21 | 中国科学院长春应用化学研究所 | A kind of non-polar polymer negative poisson's ratio foamed material and preparation method thereof |
-
2015
- 2015-08-17 PL PL413582A patent/PL413582A1/en unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107474303A (en) * | 2017-07-11 | 2017-12-15 | 中国科学院长春应用化学研究所 | A kind of negative poisson's ratio polymer foams and preparation method thereof |
CN107474303B (en) * | 2017-07-11 | 2020-01-31 | 中国科学院长春应用化学研究所 | negative Poisson ratio polymer foam materials and preparation method thereof |
CN109776961A (en) * | 2019-01-22 | 2019-05-21 | 中国科学院长春应用化学研究所 | A kind of non-polar polymer negative poisson's ratio foamed material and preparation method thereof |
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