MX164058B - Procedimiento novedoso para elaborar productos de poliuretano que requieren tritutacion reducida,para impedir que los productos se encojan considerablemente o cambien dimensionalmente durante el enfriamiento - Google Patents
Procedimiento novedoso para elaborar productos de poliuretano que requieren tritutacion reducida,para impedir que los productos se encojan considerablemente o cambien dimensionalmente durante el enfriamientoInfo
- Publication number
- MX164058B MX164058B MX3775A MX377586A MX164058B MX 164058 B MX164058 B MX 164058B MX 3775 A MX3775 A MX 3775A MX 377586 A MX377586 A MX 377586A MX 164058 B MX164058 B MX 164058B
- Authority
- MX
- Mexico
- Prior art keywords
- products
- shrinking
- considerably
- prevent
- during cooling
- Prior art date
Links
- 238000001816 cooling Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 229920002635 polyurethane Polymers 0.000 title 1
- 239000004814 polyurethane Substances 0.000 title 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3438—Bursting the cell walls by a sudden pressure release
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/05—Use of one or more blowing agents together
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/13—Cell size and distribution control while molding a foam
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/15—Aging of foamed resin products
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/778,307 US4717518A (en) | 1985-09-20 | 1985-09-20 | Novel process for making polyurethane products which require reduced crushing in preventing said products from substantially shrinking or changing dimensionally upon cooling |
Publications (1)
Publication Number | Publication Date |
---|---|
MX164058B true MX164058B (es) | 1992-07-13 |
Family
ID=25112909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX3775A MX164058B (es) | 1985-09-20 | 1986-09-19 | Procedimiento novedoso para elaborar productos de poliuretano que requieren tritutacion reducida,para impedir que los productos se encojan considerablemente o cambien dimensionalmente durante el enfriamiento |
Country Status (7)
Country | Link |
---|---|
US (1) | US4717518A (es) |
EP (1) | EP0219699A3 (es) |
JP (1) | JPS6272712A (es) |
KR (1) | KR910005123B1 (es) |
BR (1) | BR8604500A (es) |
CA (1) | CA1255867A (es) |
MX (1) | MX164058B (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2215658A (en) * | 1988-03-17 | 1989-09-27 | Ford Motor Co | Manufacture of foamed seat cushions |
US5164197A (en) * | 1990-03-08 | 1992-11-17 | Creme Art Corporation | Batch molding of open-cell soft polyurethane foam |
US5061420A (en) * | 1990-03-08 | 1991-10-29 | Creme Art Corporation | Batch molding of open-cell soft polyurethane foam |
US5772936A (en) * | 1995-02-08 | 1998-06-30 | Arco Chemical Technology, L.P. | Method of reducing pinch deformation and contour lines in polyurethane molded foam employing timed partial pressure release |
US5549841A (en) * | 1995-03-24 | 1996-08-27 | Arco Chemical Technology, L.P. | Process for manufacturing foam with improved wet set properties |
US5700847A (en) * | 1995-12-04 | 1997-12-23 | Arco Chemical Technology, L.P. | Molded polyurethane foam with enhanced physical properties |
US5668191A (en) * | 1995-12-21 | 1997-09-16 | Arco Chemical Technology, L.P. | One-shot cold molded flexible polyurethane foam from low primary hydroxyl polyols and process for the preparation thereof |
US6051622A (en) * | 1998-09-17 | 2000-04-18 | Arco Chemical Technology, L.P. | Low resilience, low frequency molded polyurethane foam |
KR100452055B1 (ko) * | 2001-12-26 | 2004-10-12 | 충만산업주식회사 | 차량연료 감지용 플로트의 제조방법 |
CN101631810B (zh) * | 2006-12-29 | 2013-07-24 | 江森自控科技公司 | 聚氨酯泡沫组成、产品及方法 |
CN102227295B (zh) * | 2008-10-30 | 2017-05-10 | 江森自控科技公司 | 棕榈油基聚氨酯泡沫产品及其制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2118739A1 (de) * | 1971-04-17 | 1973-03-15 | Tech Akustik Gmbh & Co | Verfahren und vorrichtung zum oeffnen von in weichschaumformkoerpern vorliegenden geschlossenen zellen |
GB1402718A (en) * | 1971-08-03 | 1975-08-13 | Storey Brothers & Co | Manufacture of vehicle seats and other upholstered items |
FR2428519A1 (fr) * | 1978-06-13 | 1980-01-11 | Ameublement Ind Et Tech | Bouchon pour trou de coulee de matiere expansee dans un moule |
US4579700A (en) * | 1983-11-07 | 1986-04-01 | Union Carbide Corporation | Novel process for making flexible polyurethane cellular products including a novel cell opening technique |
-
1985
- 1985-09-20 US US06/778,307 patent/US4717518A/en not_active Expired - Lifetime
-
1986
- 1986-09-11 CA CA000517949A patent/CA1255867A/en not_active Expired
- 1986-09-17 KR KR1019860007854A patent/KR910005123B1/ko not_active IP Right Cessation
- 1986-09-19 EP EP86112955A patent/EP0219699A3/en not_active Ceased
- 1986-09-19 JP JP61219921A patent/JPS6272712A/ja active Granted
- 1986-09-19 BR BR8604500A patent/BR8604500A/pt unknown
- 1986-09-19 MX MX3775A patent/MX164058B/es unknown
Also Published As
Publication number | Publication date |
---|---|
EP0219699A2 (en) | 1987-04-29 |
KR910005123B1 (ko) | 1991-07-23 |
JPS6272712A (ja) | 1987-04-03 |
EP0219699A3 (en) | 1989-01-18 |
US4717518A (en) | 1988-01-05 |
JPH0441689B2 (es) | 1992-07-09 |
CA1255867A (en) | 1989-06-20 |
KR870002920A (ko) | 1987-04-13 |
BR8604500A (pt) | 1987-05-19 |
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