JPS5962119A - ポリプロピレン系樹脂発泡成型体 - Google Patents
ポリプロピレン系樹脂発泡成型体Info
- Publication number
- JPS5962119A JPS5962119A JP57172591A JP17259182A JPS5962119A JP S5962119 A JPS5962119 A JP S5962119A JP 57172591 A JP57172591 A JP 57172591A JP 17259182 A JP17259182 A JP 17259182A JP S5962119 A JPS5962119 A JP S5962119A
- Authority
- JP
- Japan
- Prior art keywords
- molded product
- particles
- density
- polypropylene resin
- foam molded
- 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.)
- Granted
Links
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
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
- B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads
-
- 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
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/10—Polymers of propylene
- B29K2023/12—PP, i.e. polypropylene
Landscapes
- Molding Of Porous Articles (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57172591A JPS5962119A (ja) | 1982-10-01 | 1982-10-01 | ポリプロピレン系樹脂発泡成型体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP57172591A JPS5962119A (ja) | 1982-10-01 | 1982-10-01 | ポリプロピレン系樹脂発泡成型体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5962119A true JPS5962119A (ja) | 1984-04-09 |
JPH0362543B2 JPH0362543B2 (enrdf_load_stackoverflow) | 1991-09-26 |
Family
ID=15944682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57172591A Granted JPS5962119A (ja) | 1982-10-01 | 1982-10-01 | ポリプロピレン系樹脂発泡成型体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5962119A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008308668A (ja) * | 2007-05-15 | 2008-12-25 | Kaneka Corp | ポリプロピレン系樹脂予備発泡粒子の製造方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5122951A (ja) * | 1974-08-16 | 1976-02-24 | Yoshio Ihara | Eaaenjin |
JPS561344A (en) * | 1979-06-18 | 1981-01-09 | Nishimu Denshi Kogyo Kk | Controlling method for optimum wet-quantity in wet-type insulator stain measurement |
-
1982
- 1982-10-01 JP JP57172591A patent/JPS5962119A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5122951A (ja) * | 1974-08-16 | 1976-02-24 | Yoshio Ihara | Eaaenjin |
JPS561344A (en) * | 1979-06-18 | 1981-01-09 | Nishimu Denshi Kogyo Kk | Controlling method for optimum wet-quantity in wet-type insulator stain measurement |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008308668A (ja) * | 2007-05-15 | 2008-12-25 | Kaneka Corp | ポリプロピレン系樹脂予備発泡粒子の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
JPH0362543B2 (enrdf_load_stackoverflow) | 1991-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5943491B2 (ja) | ポリプロピレン系樹脂発泡成型体 | |
EP0068467A1 (en) | Polypropylene foamed molded articles and process for production thereof | |
US6166096A (en) | Pre-expanded particles of polypropylene resin, process for producing the same and process for producing in-mold foamed articles therefrom | |
JPS6140335A (ja) | 発泡させた合成樹脂熱可塑性粒子およびその製法 | |
JPS5962119A (ja) | ポリプロピレン系樹脂発泡成型体 | |
JP2006022138A (ja) | ポリプロピレン系樹脂予備発泡粒子 | |
JPS5851123A (ja) | ポリプロピレン系樹脂予備発泡粒子の型内成形法 | |
JPS58215326A (ja) | ポリオレフイン樹脂型内発泡成型体の製造方法 | |
JP2023019516A (ja) | ポリプロピレン系樹脂発泡粒子およびその製造方法 | |
JPS6244778B2 (enrdf_load_stackoverflow) | ||
JPH0355502B2 (enrdf_load_stackoverflow) | ||
JPS599027A (ja) | ポリオレフイン樹脂型内発泡成型体の製法 | |
JP2603858B2 (ja) | 球状ポリエチレン発泡粒子の製造法 | |
JPS6213441A (ja) | 再膨張性発泡プラスチツクチツプ及びその製造方法 | |
JPS6344780B2 (enrdf_load_stackoverflow) | ||
JP3149152B2 (ja) | 無架橋直鎖状低密度ポリエチレン系樹脂予備発泡粒子及びその製造方法 | |
JPH04272940A (ja) | 発泡性粒子と発泡粒子 | |
JPS5938035A (ja) | ポリエチレン系樹脂型内発泡成型体の製造方法 | |
JP5510510B2 (ja) | 熱可塑性樹脂型内発泡成形体の製造方法 | |
JPS6032835A (ja) | ポリオレフィン系樹脂発泡成型体の製造方法 | |
JPH0139335B2 (enrdf_load_stackoverflow) | ||
JPS58215327A (ja) | ポリオレフイン樹脂型内発泡成型体の製造法 | |
JPS6233253B2 (enrdf_load_stackoverflow) | ||
JPH01190736A (ja) | ポリオレフィン系樹脂発泡粒子の製造方法 | |
JPS5876227A (ja) | ポリプロピレン系樹脂発泡成型体の製造方法 |