CA1082415A - Methode d'extension et de moulage de polymeres ther- moplastiques, et appareil utilise a cette fin - Google Patents

Methode d'extension et de moulage de polymeres ther- moplastiques, et appareil utilise a cette fin

Info

Publication number: CA1082415A
Authority: CA; Canada
Prior art keywords: particles; vessel; expansion; heating; beads
Prior art date: 1977-06-17
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

Application number

CA280,761A

Other languages

English (en)

Inventor

Stuart B. Smith

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

CNA Holdings LLC

Original Assignee

American Hoechst Corp

Priority date (The priority date 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 date listed.)

1977-06-17

Filing date

1977-06-17

Publication date

1980-07-29

1977-06-17 Application filed by American Hoechst Corp filed Critical American Hoechst Corp

1977-06-17 Priority to CA280,761A priority Critical patent/CA1082415A/fr

1980-07-29 Application granted granted Critical

1980-07-29 Publication of CA1082415A publication Critical patent/CA1082415A/fr

Status Expired legal-status Critical Current

Links

239000002245 particle Substances 0.000 title claims abstract description 98
238000000465 moulding Methods 0.000 title claims abstract description 23
238000000034 method Methods 0.000 title claims abstract description 21
229920001169 thermoplastic Polymers 0.000 title claims abstract description 15
238000010438 heat treatment Methods 0.000 claims abstract description 39
239000004604 Blowing Agent Substances 0.000 claims abstract description 26
238000009835 boiling Methods 0.000 claims abstract description 8
230000004927 fusion Effects 0.000 claims abstract description 7
230000002028 premature Effects 0.000 claims abstract description 6
239000012298 atmosphere Substances 0.000 claims abstract 3
239000011324 bead Substances 0.000 claims description 121
229920000642 polymer Polymers 0.000 claims description 22
239000003795 chemical substances by application Substances 0.000 claims description 11
OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 9
239000004793 Polystyrene Substances 0.000 claims description 5
229920002223 polystyrene Polymers 0.000 claims description 5
238000007599 discharging Methods 0.000 claims description 3
238000011049 filling Methods 0.000 claims description 3
230000005855 radiation Effects 0.000 claims description 3
239000004416 thermosoftening plastic Substances 0.000 claims description 3
230000000694 effects Effects 0.000 claims description 2
238000003780 insertion Methods 0.000 claims 2
230000037431 insertion Effects 0.000 claims 2
239000000463 material Substances 0.000 abstract description 3
230000008901 benefit Effects 0.000 description 6
238000004519 manufacturing process Methods 0.000 description 5
230000009969 flowable effect Effects 0.000 description 4
239000000047 product Substances 0.000 description 4
238000003860 storage Methods 0.000 description 4
230000032683 aging Effects 0.000 description 3
238000001816 cooling Methods 0.000 description 3
230000008030 elimination Effects 0.000 description 3
238000003379 elimination reaction Methods 0.000 description 3
239000007788 liquid Substances 0.000 description 3
VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
239000002861 polymer material Substances 0.000 description 3
230000008569 process Effects 0.000 description 3
238000009834 vaporization Methods 0.000 description 3
230000008016 vaporization Effects 0.000 description 3
ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
238000013019 agitation Methods 0.000 description 2
230000001413 cellular effect Effects 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
230000002431 foraging effect Effects 0.000 description 2
QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
229910052753 mercury Inorganic materials 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
239000008188 pellet Substances 0.000 description 2
239000004033 plastic Substances 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
230000009467 reduction Effects 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000012815 thermoplastic material Substances 0.000 description 2
229920002554 vinyl polymer Polymers 0.000 description 2
229920001328 Polyvinylidene chloride Polymers 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
230000009471 action Effects 0.000 description 1
229910052782 aluminium Inorganic materials 0.000 description 1
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
239000007900 aqueous suspension Substances 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
239000001273 butane Substances 0.000 description 1
210000000038 chest Anatomy 0.000 description 1
230000001427 coherent effect Effects 0.000 description 1
238000009833 condensation Methods 0.000 description 1
230000005494 condensation Effects 0.000 description 1
238000011437 continuous method Methods 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
238000005520 cutting process Methods 0.000 description 1
229920006248 expandable polystyrene Polymers 0.000 description 1
239000006260 foam Substances 0.000 description 1
238000005187 foaming Methods 0.000 description 1
238000000227 grinding Methods 0.000 description 1
230000008676 import Effects 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
230000001788 irregular Effects 0.000 description 1
238000005007 materials handling Methods 0.000 description 1
230000007246 mechanism Effects 0.000 description 1
IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
239000011049 pearl Substances 0.000 description 1
239000012466 permeate Substances 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
239000002984 plastic foam Substances 0.000 description 1
229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
229920000120 polyethyl acrylate Polymers 0.000 description 1
238000006116 polymerization reaction Methods 0.000 description 1
239000004926 polymethyl methacrylate Substances 0.000 description 1
239000004800 polyvinyl chloride Substances 0.000 description 1
229920000915 polyvinyl chloride Polymers 0.000 description 1
239000005033 polyvinylidene chloride Substances 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
239000001294 propane Substances 0.000 description 1
238000003303 reheating Methods 0.000 description 1
230000004044 response Effects 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000007789 sealing Methods 0.000 description 1
229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
235000017557 sodium bicarbonate Nutrition 0.000 description 1
239000007787 solid Substances 0.000 description 1
CYRMSUTZVYGINF-UHFFFAOYSA-N trichlorofluoromethane Chemical compound FC(Cl)(Cl)Cl CYRMSUTZVYGINF-UHFFFAOYSA-N 0.000 description 1
229940029284 trichlorofluoromethane Drugs 0.000 description 1
238000013022 venting Methods 0.000 description 1

Landscapes

Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

CA280,761A 1977-06-17 1977-06-17 Methode d'extension et de moulage de polymeres ther- moplastiques, et appareil utilise a cette fin Expired CA1082415A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA280,761A CA1082415A (fr)	1977-06-17	1977-06-17	Methode d'extension et de moulage de polymeres ther- moplastiques, et appareil utilise a cette fin

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA280,761A CA1082415A (fr)	1977-06-17	1977-06-17	Methode d'extension et de moulage de polymeres ther- moplastiques, et appareil utilise a cette fin

Publications (1)

Publication Number	Publication Date
CA1082415A true CA1082415A (fr)	1980-07-29

Family

ID=4108909

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA280,761A Expired CA1082415A (fr)	1977-06-17	1977-06-17	Methode d'extension et de moulage de polymeres ther- moplastiques, et appareil utilise a cette fin

Country Status (1)

Country	Link
CA (1)	CA1082415A (fr)

1977
- 1977-06-17 CA CA280,761A patent/CA1082415A/fr not_active Expired

Legal Events

Date	Code	Title	Description
1997-07-29	MKEX	Expiry

Publication	Publication Date	Title
US4032609A (en)	1977-06-28	Method for pre-expanding and molding expandable thermoplastic polymer particles
US4272469A (en)	1981-06-09	Method and apparatus for forming expanded foam articles
US4806293A (en)	1989-02-21	Method of producing a foamed, molded article
US3759641A (en)	1973-09-18	Process and apparatus for pre-expanding polymer particles
US2954589A (en)	1960-10-04	Method of molding expanded resins
US3013306A (en)	1961-12-19	Method of making cellular plastic articles
CA2534846A1 (fr)	2005-03-03	Procede de traitement de particules polymeres expansibles et article en mousse obtenu
JPS62151326A (ja)	1987-07-06	ポリプロピレン系樹脂発泡粒子の型内成形法
US3984511A (en)	1976-10-05	Method of rotational molding
US3963816A (en)	1976-06-15	Process for molding expandable thermoplastic material
EP0111469B1 (fr)	1988-05-04	Procédé et dispositif pour la pré-expansion des matières plastiques
US4698191A (en)	1987-10-06	Methods of producing molded products from foamed polypropylene particles
US3378885A (en)	1968-04-23	Apparatus for forming thin wall cellular plastic containers
US4060354A (en)	1977-11-29	Apparatus for pre-expanding and molding expandable thermoplastic polymer particles
KR840000070B1 (ko)	1984-02-08	성형용 열가소성 물질을 팽창시키는 방법
US3368009A (en)	1968-02-06	Process for molding synthetic expanded thermoplastic material
US3398105A (en)	1968-08-20	Expandable poly (vinylaromatic) compositions and process of making same
GB1577793A (en)	1980-10-29	Method and apparatus for pre-expanding and moulding polymer particles
US3033806A (en)	1962-05-08	Preparation of shaped expanded thermoplastic polymer
US3309440A (en)	1967-03-14	Process of producing flexible foam polystyrene plastic sheeting
US3178491A (en)	1965-04-13	Method for forming thin wall cellular plastic containers
US3056753A (en)	1962-10-02	Treatment of expandable polymeric particles
CA2007548A1 (fr)	1990-07-13	Procede pour obtenir un produit a base de mousse de latex
US4073843A (en)	1978-02-14	Process of partially expanding thermoplastic particles using a mixture of steam and a hot dry gas
JPH0687973A (ja)	1994-03-29	球状再生発泡性スチレン系樹脂粒子の製造法