CA967320A - Process for preparing molded polyolefin foam - Google Patents
Process for preparing molded polyolefin foamInfo
- Publication number
- CA967320A CA967320A CA124,692A CA124692A CA967320A CA 967320 A CA967320 A CA 967320A CA 124692 A CA124692 A CA 124692A CA 967320 A CA967320 A CA 967320A
- Authority
- CA
- Canada
- Prior art keywords
- polyolefin foam
- preparing molded
- molded polyolefin
- preparing
- foam
- 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
Links
- 239000006260 foam Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 229920000098 polyolefin Polymers 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
- 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
-
- 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
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/04—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities
- B29C44/0407—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
-
- 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
- C08J9/16—Making expandable particles
-
- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
-
- 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
- Y10S264/14—Plastic and nonmetallic article shaping or treating: processes forming integral skin on a foamed product
-
- 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
- Y10S264/64—Processes of using preform in molding
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)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP45087483A JPS4922547B1 (de) | 1970-10-07 | 1970-10-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA967320A true CA967320A (en) | 1975-05-13 |
Family
ID=13916174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA124,692A Expired CA967320A (en) | 1970-10-07 | 1971-10-07 | Process for preparing molded polyolefin foam |
Country Status (6)
Country | Link |
---|---|
US (1) | US3819784A (de) |
JP (1) | JPS4922547B1 (de) |
CA (1) | CA967320A (de) |
DE (1) | DE2150072C3 (de) |
FR (1) | FR2109776A5 (de) |
GB (1) | GB1321341A (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3900544A (en) * | 1973-11-28 | 1975-08-19 | Arco Polymers Inc | Method for the continuous extrusion of multiple small cross-section thermoplastic polymeric resinous foam profiles |
US4138534A (en) * | 1977-02-07 | 1979-02-06 | Lifetime Foam Products, Inc. | Production of structural members from reclaimed polyolefins |
US4459249A (en) * | 1982-01-22 | 1984-07-10 | Inoue Mtp Kabushiki Kaisha | Method of manufacturing a foamed protective and decorative molding for an automobile |
US4952352A (en) * | 1985-04-04 | 1990-08-28 | Shin Yong W | Process for producing a low density foamed polyethylene |
US5116881A (en) * | 1990-03-14 | 1992-05-26 | James River Corporation Of Virginia | Polypropylene foam sheets |
DE4024274C2 (de) * | 1990-07-31 | 1999-01-28 | Bayerische Motoren Werke Ag | Verfahren zum Herstellen eines gepolsterten Polypropylen-Ausstattungsteiles insbesondere für Fahrzeuge |
KR920004128A (ko) * | 1990-08-28 | 1992-03-27 | 우찌야마 마사요 | 발포성형체의 제조방법 및 그 방법에 사용되는 열가소성 수지 발포입자 충전장치 |
US5310513A (en) * | 1990-09-17 | 1994-05-10 | Furukawa Electric Co., Ltd. | Method for manufacturing a cross-linked thermoplastic resin foam |
GB9603969D0 (en) * | 1996-02-24 | 1996-04-24 | Rotec Chemicals Ltd | Rotational moulding |
US5786394A (en) * | 1996-12-04 | 1998-07-28 | Lear Corporation | Durable, energy-absorptive EPP/PUR structural composites |
US6261490B1 (en) | 1998-09-15 | 2001-07-17 | Rotec Chemicals Limited | Rotational moulding |
WO2009153345A2 (en) * | 2008-06-20 | 2009-12-23 | Golden Trade S.R.L. | Process for decolorizing and/or aging fabrics, and decolorized and/or aged fabrics obtainable therefrom |
JP6450017B2 (ja) * | 2015-03-05 | 2019-01-09 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 3次元物体の生成 |
US10654984B2 (en) | 2016-12-29 | 2020-05-19 | Sekisui Voltek, Llc | Heterogeneous foam composition and method |
CN111906985B (zh) * | 2019-05-08 | 2023-03-10 | 欧特捷实业股份有限公司 | 多段发泡的方法 |
-
1970
- 1970-10-07 JP JP45087483A patent/JPS4922547B1/ja active Pending
-
1971
- 1971-09-17 FR FR7133565A patent/FR2109776A5/fr not_active Expired
- 1971-09-24 US US00183617A patent/US3819784A/en not_active Expired - Lifetime
- 1971-10-04 GB GB4611371A patent/GB1321341A/en not_active Expired
- 1971-10-07 DE DE2150072A patent/DE2150072C3/de not_active Expired
- 1971-10-07 CA CA124,692A patent/CA967320A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3819784A (en) | 1974-06-25 |
GB1321341A (en) | 1973-06-27 |
DE2150072A1 (de) | 1972-04-13 |
FR2109776A5 (de) | 1972-05-26 |
DE2150072C3 (de) | 1978-04-20 |
DE2150072B2 (de) | 1974-01-17 |
JPS4922547B1 (de) | 1974-06-10 |
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