JPS6324617B2 - - Google Patents
Info
- Publication number
- JPS6324617B2 JPS6324617B2 JP58050048A JP5004883A JPS6324617B2 JP S6324617 B2 JPS6324617 B2 JP S6324617B2 JP 58050048 A JP58050048 A JP 58050048A JP 5004883 A JP5004883 A JP 5004883A JP S6324617 B2 JPS6324617 B2 JP S6324617B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- polypropylene resin
- particles
- peak
- dsc curve
- 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 55
- 229920005989 resin Polymers 0.000 claims description 41
- 239000011347 resin Substances 0.000 claims description 41
- 238000001938 differential scanning calorimetry curve Methods 0.000 claims description 35
- -1 Polypropylene Polymers 0.000 claims description 34
- 239000004743 Polypropylene Substances 0.000 claims description 33
- 229920001155 polypropylene Polymers 0.000 claims description 33
- 239000006260 foam Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000005187 foaming Methods 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 6
- 239000013078 crystal Substances 0.000 claims description 5
- 238000000113 differential scanning calorimetry Methods 0.000 claims description 5
- 239000004604 Blowing Agent Substances 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 description 3
- 239000004703 cross-linked polyethylene Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 2
- 229920005674 ethylene-propylene random copolymer Polymers 0.000 description 2
- 239000004088 foaming agent 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
- 229920006327 polystyrene foam Polymers 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
- 239000004338 Dichlorodifluoromethane 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
- 230000004927 fusion Effects 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
- 239000005022 packaging material Substances 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 |
|---|---|---|---|
| JP58050048A JPS59176336A (ja) | 1983-03-25 | 1983-03-25 | ポリプロピレン系樹脂発泡粒子 |
| DE8484103187T DE3466700D1 (en) | 1983-03-25 | 1984-03-22 | Polypropylene resin prefoamed particles |
| EP84103187A EP0123144B1 (de) | 1983-03-25 | 1984-03-22 | Vorgeschäumte Polypropylenperlen |
| 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 |
|---|---|---|---|
| JP58050048A JPS59176336A (ja) | 1983-03-25 | 1983-03-25 | ポリプロピレン系樹脂発泡粒子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59176336A JPS59176336A (ja) | 1984-10-05 |
| JPS6324617B2 true JPS6324617B2 (de) | 1988-05-21 |
Family
ID=12848104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58050048A Granted JPS59176336A (ja) | 1983-03-25 | 1983-03-25 | ポリプロピレン系樹脂発泡粒子 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59176336A (de) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8844407B2 (en) | 2009-09-17 | 2014-09-30 | Wagic, Inc. | Extendable multi-tool including interchangable light bulb changer and accessories |
| US8869655B2 (en) | 2002-08-12 | 2014-10-28 | Wagic, Inc. | Customizable light bulb changer |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4582871B2 (ja) * | 2000-07-07 | 2010-11-17 | 旭化成ケミカルズ株式会社 | 無架橋の樹脂発泡性粒子 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5790027A (en) * | 1980-11-22 | 1982-06-04 | Japan Styrene Paper Co Ltd | Prefoamed polypropylene resin particle and its production |
-
1983
- 1983-03-25 JP JP58050048A patent/JPS59176336A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5790027A (en) * | 1980-11-22 | 1982-06-04 | Japan Styrene Paper Co Ltd | Prefoamed polypropylene resin particle and its production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8869655B2 (en) | 2002-08-12 | 2014-10-28 | Wagic, Inc. | Customizable light bulb changer |
| US8844407B2 (en) | 2009-09-17 | 2014-09-30 | Wagic, Inc. | Extendable multi-tool including interchangable light bulb changer and accessories |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59176336A (ja) | 1984-10-05 |
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