JPS6344779B2 - - Google Patents
Info
- Publication number
- JPS6344779B2 JPS6344779B2 JP58157504A JP15750483A JPS6344779B2 JP S6344779 B2 JPS6344779 B2 JP S6344779B2 JP 58157504 A JP58157504 A JP 58157504A JP 15750483 A JP15750483 A JP 15750483A JP S6344779 B2 JPS6344779 B2 JP S6344779B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- peak
- dsc curve
- polypropylene resin
- particles
- 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
- 239000002245 particle Substances 0.000 claims description 44
- 229920005989 resin Polymers 0.000 claims description 38
- 239000011347 resin Substances 0.000 claims description 38
- 238000001938 differential scanning calorimetry curve Methods 0.000 claims description 34
- -1 polypropylene Polymers 0.000 claims description 33
- 239000004743 Polypropylene Substances 0.000 claims description 31
- 229920001155 polypropylene Polymers 0.000 claims description 31
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000113 differential scanning calorimetry Methods 0.000 claims description 5
- 239000013078 crystal Substances 0.000 claims description 4
- 238000002844 melting Methods 0.000 description 17
- 230000008018 melting Effects 0.000 description 17
- 239000006260 foam Substances 0.000 description 9
- 238000005187 foaming Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 6
- 239000004604 Blowing Agent Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 3
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920001384 propylene homopolymer Polymers 0.000 description 3
- 239000004338 Dichlorodifluoromethane Substances 0.000 description 2
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
- 235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920006327 polystyrene foam Polymers 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-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
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920005676 ethylene-propylene block copolymer Polymers 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58157504A JPS6049040A (ja) | 1983-08-29 | 1983-08-29 | ポリプロピレン系樹脂発泡粒子 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58157504A JPS6049040A (ja) | 1983-08-29 | 1983-08-29 | ポリプロピレン系樹脂発泡粒子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6049040A JPS6049040A (ja) | 1985-03-18 |
| JPS6344779B2 true JPS6344779B2 (US06650917-20031118-M00005.png) | 1988-09-06 |
Family
ID=15651123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58157504A Granted JPS6049040A (ja) | 1983-08-29 | 1983-08-29 | ポリプロピレン系樹脂発泡粒子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6049040A (US06650917-20031118-M00005.png) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0649795B2 (ja) * | 1985-11-29 | 1994-06-29 | 日本スチレンペ−パ−株式会社 | ポリプロピレン系樹脂予備発泡粒子成型体の製造方法 |
| CA1280549C (en) * | 1986-05-27 | 1991-02-19 | Kyoichi Nakamura | Pre-expanded particles of propylene resin |
| JP2790791B2 (ja) * | 1986-09-16 | 1998-08-27 | 鐘淵化学工業株式会社 | ポリプロピレン系樹脂型内発泡成形体の製造方法 |
| JPH0659694B2 (ja) * | 1986-09-16 | 1994-08-10 | 鐘淵化学工業株式会社 | ポリプロピレン系樹脂型内発泡成形体の製造方法 |
| JPH0657435B2 (ja) * | 1987-11-25 | 1994-08-03 | 鐘淵化学工業株式会社 | ポリプロピレン系樹脂の型内発泡成形法 |
| KR0159801B1 (ko) | 1994-08-06 | 1999-01-15 | 박원배 | 폴리올레핀계 수지의 미세 셀 예비 발포체 및 그의 제조 방법 |
| JPH08277340A (ja) * | 1995-04-05 | 1996-10-22 | Jsp Corp | ポリプロピレン単独重合体発泡粒子、及び発泡粒子成型体 |
| JP4891960B2 (ja) * | 2008-09-04 | 2012-03-07 | 株式会社ジェイエスピー | ポリプロピレン系樹脂発泡成型体及び自動車内装材 |
Citations (4)
| 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 |
| JPS6324617A (ja) * | 1986-07-17 | 1988-02-02 | Yokogawa Electric Corp | ウエハの両面露光法 |
-
1983
- 1983-08-29 JP JP58157504A patent/JPS6049040A/ja active Granted
Patent Citations (4)
| 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 |
| JPS6324617A (ja) * | 1986-07-17 | 1988-02-02 | Yokogawa Electric Corp | ウエハの両面露光法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6049040A (ja) | 1985-03-18 |
