IT1273558B - Procedimento ed apparecchiatura per la produzione,in verticale, di blocchi in schiuma poliuretanica pre-espansa - Google Patents
Procedimento ed apparecchiatura per la produzione,in verticale, di blocchi in schiuma poliuretanica pre-espansaInfo
- Publication number
- IT1273558B IT1273558B ITMI950766A ITMI950766A IT1273558B IT 1273558 B IT1273558 B IT 1273558B IT MI950766 A ITMI950766 A IT MI950766A IT MI950766 A ITMI950766 A IT MI950766A IT 1273558 B IT1273558 B IT 1273558B
- Authority
- IT
- Italy
- Prior art keywords
- blocks
- procedure
- production
- equipment
- vertical
- Prior art date
Links
- 229920005830 Polyurethane Foam Polymers 0.000 title 1
- 239000011496 polyurethane foam Substances 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
-
- 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
- B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
- B29C44/203—Expanding the moulding material in a vertical channel
-
- 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
- B29C44/36—Feeding the material to be shaped
- B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
- B29C44/461—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface
- B29C44/462—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length dispensing apparatus, e.g. dispensing foaming resin over the whole width of the moving surface provided with pre-foaming devices
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI950766A IT1273558B (it) | 1995-04-13 | 1995-04-13 | Procedimento ed apparecchiatura per la produzione,in verticale, di blocchi in schiuma poliuretanica pre-espansa |
GB9607415A GB2301595A (en) | 1995-04-13 | 1996-04-10 | Vertical production of foamed polyurethane slab-stocks |
NO961469A NO961469L (no) | 1995-04-13 | 1996-04-12 | Fremgangsmåte og innretning for fremstilling av plateblokker av polyuretan |
CN96105002A CN1073007C (zh) | 1995-04-13 | 1996-04-12 | 垂直生成发泡聚氨酯块料的方法和设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI950766A IT1273558B (it) | 1995-04-13 | 1995-04-13 | Procedimento ed apparecchiatura per la produzione,in verticale, di blocchi in schiuma poliuretanica pre-espansa |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI950766A0 ITMI950766A0 (it) | 1995-04-13 |
ITMI950766A1 ITMI950766A1 (it) | 1996-10-13 |
IT1273558B true IT1273558B (it) | 1997-07-08 |
Family
ID=11371329
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI950766A IT1273558B (it) | 1995-04-13 | 1995-04-13 | Procedimento ed apparecchiatura per la produzione,in verticale, di blocchi in schiuma poliuretanica pre-espansa |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN1073007C (it) |
GB (1) | GB2301595A (it) |
IT (1) | IT1273558B (it) |
NO (1) | NO961469L (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19627065A1 (de) * | 1996-07-05 | 1998-01-08 | Hennecke Gmbh | Verfahren und Vorrichtung zur Schaumherstellung mittels unter Druck gelöstem Kohlendioxid |
US6704617B2 (en) * | 2002-04-11 | 2004-03-09 | Flexible Products Company | Automated system for control and diagnostics for dispensing systems |
WO2022082474A1 (zh) * | 2020-10-21 | 2022-04-28 | 华东理工大学 | 一种用于制备聚合物发泡材料的方法和装置 |
CN112793071A (zh) * | 2020-12-17 | 2021-05-14 | 湖北富斯通新材料科技有限公司 | 海绵连续水平发泡系统及其操作方法 |
CN112793070A (zh) * | 2020-12-17 | 2021-05-14 | 湖北富斯通新材料科技有限公司 | 用于海绵连续水平发泡系统中的边膜提升装置及使用方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW261577B (it) * | 1993-07-14 | 1995-11-01 | Krypton Internat Sa |
-
1995
- 1995-04-13 IT ITMI950766A patent/IT1273558B/it active IP Right Grant
-
1996
- 1996-04-10 GB GB9607415A patent/GB2301595A/en not_active Withdrawn
- 1996-04-12 NO NO961469A patent/NO961469L/no unknown
- 1996-04-12 CN CN96105002A patent/CN1073007C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1139612A (zh) | 1997-01-08 |
ITMI950766A1 (it) | 1996-10-13 |
NO961469D0 (no) | 1996-04-12 |
NO961469L (no) | 1996-10-14 |
GB2301595A (en) | 1996-12-11 |
ITMI950766A0 (it) | 1995-04-13 |
GB9607415D0 (en) | 1996-06-12 |
CN1073007C (zh) | 2001-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |