JPS6324618B2 - - Google Patents
Info
- Publication number
- JPS6324618B2 JPS6324618B2 JP58068999A JP6899983A JPS6324618B2 JP S6324618 B2 JPS6324618 B2 JP S6324618B2 JP 58068999 A JP58068999 A JP 58068999A JP 6899983 A JP6899983 A JP 6899983A JP S6324618 B2 JPS6324618 B2 JP S6324618B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- polypropylene resin
- dsc curve
- peak
- mold 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
- 229920005989 resin Polymers 0.000 claims description 37
- 239000011347 resin Substances 0.000 claims description 37
- 238000001938 differential scanning calorimetry curve Methods 0.000 claims description 34
- -1 polypropylene Polymers 0.000 claims description 30
- 239000004743 Polypropylene Substances 0.000 claims description 29
- 229920001155 polypropylene Polymers 0.000 claims description 29
- 239000006260 foam Substances 0.000 claims description 26
- 238000010097 foam moulding Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000013078 crystal Substances 0.000 claims description 5
- 238000000113 differential scanning calorimetry Methods 0.000 claims description 5
- 239000002245 particle Substances 0.000 description 13
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000704 physical effect Effects 0.000 description 9
- 238000005187 foaming Methods 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000004604 Blowing Agent Substances 0.000 description 1
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 1
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920005676 ethylene-propylene block copolymer Polymers 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 229910001872 inorganic gas Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920001384 propylene homopolymer Polymers 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6899983A JPS59193932A (ja) | 1983-04-19 | 1983-04-19 | ポリプロピレン系樹脂型内発泡成型体 |
EP84103187A EP0123144B1 (fr) | 1983-03-25 | 1984-03-22 | Perles prémoussées en résine de polypropylène |
DE8484103187T DE3466700D1 (en) | 1983-03-25 | 1984-03-22 | Polypropylene resin prefoamed particles |
KR1019840001539A KR840008174A (ko) | 1983-03-25 | 1984-03-24 | 폴리프로필렌계 수지 예비 발포 입자 |
US07/082,560 US4840973A (en) | 1983-03-25 | 1987-08-07 | Polypropylene resin prefoamed particles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6899983A JPS59193932A (ja) | 1983-04-19 | 1983-04-19 | ポリプロピレン系樹脂型内発泡成型体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59193932A JPS59193932A (ja) | 1984-11-02 |
JPS6324618B2 true JPS6324618B2 (fr) | 1988-05-21 |
Family
ID=13389863
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6899983A Granted JPS59193932A (ja) | 1983-03-25 | 1983-04-19 | ポリプロピレン系樹脂型内発泡成型体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59193932A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998006777A1 (fr) * | 1996-08-12 | 1998-02-19 | Jsp Corporation | Materiau absorbant les chocs |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6082333A (ja) * | 1983-10-12 | 1985-05-10 | Japan Styrene Paper Co Ltd | 無架橋ポリプロピレン系樹脂発泡容器及びその製造方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5823834A (ja) * | 1981-08-05 | 1983-02-12 | Japan Styrene Paper Co Ltd | ポリプロピレン系樹脂発泡成型体 |
JPS5825334A (ja) * | 1981-08-05 | 1983-02-15 | Japan Styrene Paper Co Ltd | ポリプロピレン系樹脂発泡成型体の製造方法 |
JPS6082333A (ja) * | 1983-10-12 | 1985-05-10 | Japan Styrene Paper Co Ltd | 無架橋ポリプロピレン系樹脂発泡容器及びその製造方法 |
-
1983
- 1983-04-19 JP JP6899983A patent/JPS59193932A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5823834A (ja) * | 1981-08-05 | 1983-02-12 | Japan Styrene Paper Co Ltd | ポリプロピレン系樹脂発泡成型体 |
JPS5825334A (ja) * | 1981-08-05 | 1983-02-15 | Japan Styrene Paper Co Ltd | ポリプロピレン系樹脂発泡成型体の製造方法 |
JPS6082333A (ja) * | 1983-10-12 | 1985-05-10 | Japan Styrene Paper Co Ltd | 無架橋ポリプロピレン系樹脂発泡容器及びその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998006777A1 (fr) * | 1996-08-12 | 1998-02-19 | Jsp Corporation | Materiau absorbant les chocs |
US6451419B1 (en) * | 1996-08-12 | 2002-09-17 | Jsp Corporation | Shock absorbing material |
Also Published As
Publication number | Publication date |
---|---|
JPS59193932A (ja) | 1984-11-02 |
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