CA1122747A - Procede a grand debit de polymerisation en suspension du chlorure de vinyle - Google Patents

Procede a grand debit de polymerisation en suspension du chlorure de vinyle

Info

Publication number: CA1122747A
Authority: CA; Canada
Prior art keywords: tube; suspension; reactor; vinyl chloride; reflow
Prior art date: 1977-07-27
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

CA306,729A

Other languages

English (en)

Inventor

Francesco Carlin

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.)

Anic SpA

Original Assignee

Anic SpA

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.)

1977-07-27

Filing date

1978-07-04

Publication date

1982-04-27

1978-07-04 Application filed by Anic SpA filed Critical Anic SpA

1982-04-27 Application granted granted Critical

1982-04-27 Publication of CA1122747A publication Critical patent/CA1122747A/fr

Status Expired legal-status Critical Current

Links

BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims abstract description 20
238000000034 method Methods 0.000 title claims abstract description 14
238000010557 suspension polymerization reaction Methods 0.000 title claims abstract description 6
239000000725 suspension Substances 0.000 claims abstract description 20
238000006243 chemical reaction Methods 0.000 claims abstract description 15
238000006116 polymerization reaction Methods 0.000 claims description 10
238000003756 stirring Methods 0.000 claims description 8
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
239000004800 polyvinyl chloride Substances 0.000 claims description 6
229920000915 polyvinyl chloride Polymers 0.000 claims description 5
238000001816 cooling Methods 0.000 claims description 4
239000012074 organic phase Substances 0.000 claims description 2
239000007787 solid Substances 0.000 claims description 2
238000012360 testing method Methods 0.000 description 10
239000003795 chemical substances by application Substances 0.000 description 5
239000003999 initiator Substances 0.000 description 5
238000004519 manufacturing process Methods 0.000 description 5
239000000203 mixture Substances 0.000 description 4
-1 polyoxyethylene Polymers 0.000 description 4
239000000047 product Substances 0.000 description 4
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
238000009472 formulation Methods 0.000 description 3
230000035484 reaction time Effects 0.000 description 3
238000010992 reflux Methods 0.000 description 3
229910001220 stainless steel Inorganic materials 0.000 description 3
239000010935 stainless steel Substances 0.000 description 3
PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
125000000217 alkyl group Chemical group 0.000 description 2
239000002826 coolant Substances 0.000 description 2
229920001577 copolymer Polymers 0.000 description 2
FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
239000012530 fluid Substances 0.000 description 2
239000000499 gel Substances 0.000 description 2
239000004615 ingredient Substances 0.000 description 2
238000009434 installation Methods 0.000 description 2
230000000877 morphologic effect Effects 0.000 description 2
239000002245 particle Substances 0.000 description 2
239000012071 phase Substances 0.000 description 2
229920002451 polyvinyl alcohol Polymers 0.000 description 2
235000019422 polyvinyl alcohol Nutrition 0.000 description 2
239000000843 powder Substances 0.000 description 2
238000007127 saponification reaction Methods 0.000 description 2
239000000375 suspending agent Substances 0.000 description 2
PCJGHYSTCBLKIA-UHFFFAOYSA-N (1-acetylcyclohexyl)sulfonyloxy 1-acetylcyclohexane-1-sulfonate Chemical compound C1CCCCC1(C(C)=O)S(=O)(=O)OOS(=O)(=O)C1(C(=O)C)CCCCC1 PCJGHYSTCBLKIA-UHFFFAOYSA-N 0.000 description 1
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical class CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 description 1
235000016068 Berberis vulgaris Nutrition 0.000 description 1
241000335053 Beta vulgaris Species 0.000 description 1
FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
IEPRKVQEAMIZSS-UHFFFAOYSA-N Di-Et ester-Fumaric acid Natural products CCOC(=O)C=CC(=O)OCC IEPRKVQEAMIZSS-UHFFFAOYSA-N 0.000 description 1
239000004641 Diallyl-phthalate Substances 0.000 description 1
IEPRKVQEAMIZSS-WAYWQWQTSA-N Diethyl maleate Chemical compound CCOC(=O)\C=C/C(=O)OCC IEPRKVQEAMIZSS-WAYWQWQTSA-N 0.000 description 1
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
229920003171 Poly (ethylene oxide) Polymers 0.000 description 1
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000013543 active substance Substances 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910052784 alkaline earth metal Inorganic materials 0.000 description 1
150000001342 alkaline earth metals Chemical class 0.000 description 1
150000001336 alkenes Chemical class 0.000 description 1
150000008051 alkyl sulfates Chemical class 0.000 description 1
239000000440 bentonite Substances 0.000 description 1
229910000278 bentonite Inorganic materials 0.000 description 1
SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
ZPOLOEWJWXZUSP-WAYWQWQTSA-N bis(prop-2-enyl) (z)-but-2-enedioate Chemical compound C=CCOC(=O)\C=C/C(=O)OCC=C ZPOLOEWJWXZUSP-WAYWQWQTSA-N 0.000 description 1
QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
239000000872 buffer Substances 0.000 description 1
IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
150000004649 carbonic acid derivatives Chemical class 0.000 description 1
239000003054 catalyst Substances 0.000 description 1
229920003086 cellulose ether Polymers 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
239000004927 clay Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
238000000576 coating method Methods 0.000 description 1
239000012809 cooling fluid Substances 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000001627 detrimental effect Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
239000012933 diacyl peroxide Substances 0.000 description 1
DSTWFRCNXMNXTR-AATRIKPKSA-N dipropyl (e)-but-2-enedioate Chemical compound CCCOC(=O)\C=C\C(=O)OCCC DSTWFRCNXMNXTR-AATRIKPKSA-N 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
238000004821 distillation Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000002320 enamel (paints) Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000013213 extrapolation Methods 0.000 description 1
125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
239000007970 homogeneous dispersion Substances 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
239000012535 impurity Substances 0.000 description 1
230000002045 lasting effect Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
239000000178 monomer Substances 0.000 description 1
239000005445 natural material Substances 0.000 description 1
229910017604 nitric acid Inorganic materials 0.000 description 1
238000013021 overheating Methods 0.000 description 1
235000006408 oxalic acid Nutrition 0.000 description 1
239000007800 oxidant agent Substances 0.000 description 1
238000002161 passivation Methods 0.000 description 1
230000000704 physical effect Effects 0.000 description 1
238000005554 pickling Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000011734 sodium Substances 0.000 description 1
238000005063 solubilization Methods 0.000 description 1
230000007928 solubilization Effects 0.000 description 1
239000000126 substance Substances 0.000 description 1
125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical class OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
229920002554 vinyl polymer Polymers 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F14/02—Monomers containing chlorine
- C08F14/04—Monomers containing two carbon atoms
- C08F14/06—Vinyl chloride

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Polymerisation Methods In General (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

CA306,729A 1977-07-27 1978-07-04 Procede a grand debit de polymerisation en suspension du chlorure de vinyle Expired CA1122747A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT26192A/77		1977-07-27
IT26192/77A IT1082250B (it)	1977-07-27	1977-07-27	Metodo per la polimerizzazione in sospensione de cloruro di vinile ad alta produttivita'

Publications (1)

Publication Number	Publication Date
CA1122747A true CA1122747A (fr)	1982-04-27

Family

ID=11218890

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA306,729A Expired CA1122747A (fr)	1977-07-27	1978-07-04	Procede a grand debit de polymerisation en suspension du chlorure de vinyle

Country Status (31)

Country	Link
JP (1)	JPS5424991A (fr)
AR (1)	AR218677A1 (fr)
AT (1)	AT367434B (fr)
AU (1)	AU519510B2 (fr)
BE (1)	BE869324A (fr)
CA (1)	CA1122747A (fr)
CH (1)	CH636629A5 (fr)
CS (1)	CS207638B2 (fr)
DD (1)	DD137237A5 (fr)
DE (1)	DE2832628C2 (fr)
DK (1)	DK333578A (fr)
EG (1)	EG13559A (fr)
ES (1)	ES472622A1 (fr)
FR (1)	FR2398760A1 (fr)
GB (1)	GB2001659B (fr)
GR (1)	GR64798B (fr)
HU (1)	HU180652B (fr)
IL (1)	IL55081A (fr)
IN (1)	IN150429B (fr)
IT (1)	IT1082250B (fr)
LU (1)	LU80032A1 (fr)
NL (1)	NL171365B (fr)
NO (1)	NO782563L (fr)
PH (1)	PH14899A (fr)
PL (1)	PL111635B1 (fr)
PT (1)	PT68351A (fr)
RO (1)	RO76798A (fr)
SE (1)	SE7808195L (fr)
TR (1)	TR20015A (fr)
YU (1)	YU171878A (fr)
ZA (1)	ZA783989B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS55157607A (en) *	1979-05-25	1980-12-08	Ryonichi Kk	Suspension polymerization of vinyl chloride
JPS5882127A (ja) *	1981-11-10	1983-05-17	Ishida Scales Mfg Co Ltd	複数の種類の品物の混合組合せ計量方法
KR100191378B1 (ko) *	1989-09-18	1999-06-15	후루타 다케시	비닐 클로라이드 수지를 제조하기위한 미세현탁중합법
TW200630385A (en)	2005-02-09	2006-09-01	Vinnolit Gmbh & Co Kg	Process for the polymerisation of vinyl-containing monomers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2528469A (en) *	1948-02-24	1950-10-31	Shell Dev	Granular polymerization of vinyl chloride
DE2118542A1 (en) *	1971-04-16	1972-10-26	Dserschinskij filial nautschno lssledowatelskowo i konstruktorskowo in stituta chimitscheskowo maschinostrojem ja, SSSR, Dserschinsk (Sowjetunion)	Polymeriser with external coolers - permitting high throughput having recirculation line(s) with pumps and cooling jackets
DE2343788C3 (de) *	1973-08-30	1980-07-10	Wacker-Chemie Gmbh, 8000 Muenchen	Vorrichtung zur kontinuierlichen Durchführung von chemischen Umsetzungen, insbesondere Polymerisationen und Verfahren zur kontinuierlichen Suspensionspolymerisation von Vinylchlorid
DE2458024B2 (de) *	1974-12-07	1979-10-04	Hoechst Ag, 6000 Frankfurt	Verfahren zur wäßrigen Suspensionspolymerisation von Vinylchlorid

1977
- 1977-07-27 IT IT26192/77A patent/IT1082250B/it active
1978
- 1978-06-27 GR GR56609A patent/GR64798B/el unknown
- 1978-06-29 AU AU37589/78A patent/AU519510B2/en not_active Expired
- 1978-07-04 CA CA306,729A patent/CA1122747A/fr not_active Expired
- 1978-07-04 IL IL55081A patent/IL55081A/xx unknown
- 1978-07-05 PH PH21333A patent/PH14899A/en unknown
- 1978-07-07 GB GB787829113A patent/GB2001659B/en not_active Expired
- 1978-07-12 ZA ZA00783989A patent/ZA783989B/xx unknown
- 1978-07-18 TR TR20015A patent/TR20015A/xx unknown
- 1978-07-18 YU YU01718/78A patent/YU171878A/xx unknown
- 1978-07-21 ES ES472622A patent/ES472622A1/es not_active Expired
- 1978-07-21 AR AR273040A patent/AR218677A1/es active
- 1978-07-22 IN IN807/CAL/78A patent/IN150429B/en unknown
- 1978-07-24 JP JP8952778A patent/JPS5424991A/ja active Pending
- 1978-07-24 LU LU80032A patent/LU80032A1/xx unknown
- 1978-07-25 DD DD78206915A patent/DD137237A5/xx unknown
- 1978-07-25 RO RO7894773A patent/RO76798A/fr unknown
- 1978-07-25 PL PL1978208624A patent/PL111635B1/pl unknown
- 1978-07-25 DE DE2832628A patent/DE2832628C2/de not_active Expired
- 1978-07-25 NO NO782563A patent/NO782563L/no unknown
- 1978-07-26 AT AT0544178A patent/AT367434B/de not_active IP Right Cessation
- 1978-07-26 DK DK333578A patent/DK333578A/da not_active Application Discontinuation
- 1978-07-26 EG EG462/78A patent/EG13559A/xx active
- 1978-07-26 PT PT68351A patent/PT68351A/pt unknown
- 1978-07-26 HU HU78AI279A patent/HU180652B/hu unknown
- 1978-07-26 CS CS784963A patent/CS207638B2/cs unknown
- 1978-07-26 CH CH805078A patent/CH636629A5/it not_active IP Right Cessation
- 1978-07-26 FR FR7822105A patent/FR2398760A1/fr active Granted
- 1978-07-27 BE BE189543A patent/BE869324A/fr unknown
- 1978-07-27 NL NLAANVRAGE7807990,A patent/NL171365B/xx not_active Application Discontinuation
- 1978-07-27 SE SE7808195A patent/SE7808195L/xx unknown

Also Published As

Publication number	Publication date
FR2398760B1 (fr)	1981-01-30
AR218677A1 (es)	1980-06-30
ZA783989B (en)	1979-07-25
RO76798A (fr)	1981-04-26
DE2832628A1 (de)	1979-02-01
GB2001659A (en)	1979-02-07
PT68351A (en)	1978-08-01
GR64798B (en)	1980-06-02
AU3758978A (en)	1980-01-03
TR20015A (tr)	1980-06-16
EG13559A (en)	1981-12-31
NO782563L (no)	1979-01-30
PL208624A1 (pl)	1979-04-23
IL55081A (en)	1981-11-30
CH636629A5 (it)	1983-06-15
NL171365B (nl)	1982-10-18
NL7807990A (nl)	1979-01-30
SE7808195L (sv)	1979-01-28
PL111635B1 (en)	1980-09-30
AU519510B2 (en)	1981-12-10
BE869324A (fr)	1979-01-29
ATA544178A (de)	1981-11-15
IT1082250B (it)	1985-05-21
DE2832628C2 (de)	1982-09-16
DK333578A (da)	1979-01-28
YU171878A (en)	1982-10-31
ES472622A1 (es)	1979-02-16
LU80032A1 (fr)	1978-12-12
IN150429B (fr)	1982-10-02
CS207638B2 (en)	1981-08-31
PH14899A (en)	1982-01-18
IL55081A0 (en)	1978-09-29
FR2398760A1 (fr)	1979-02-23
DD137237A5 (de)	1979-08-22
JPS5424991A (en)	1979-02-24
AT367434B (de)	1982-07-12
GB2001659B (en)	1982-03-31
HU180652B (en)	1983-04-29

Legal Events

Date	Code	Title	Description
1999-04-27	MKEX	Expiry

Publication	Publication Date	Title
CA1215500A (fr)	1986-12-16	Procede et appareil pour la preparation en continu d'un poly(chlorure de vinyle) en suspension aqueuse
CN1121417C (zh)	2003-09-17	乳液均聚物和共聚物的制备及其设备
CA1171595A (fr)	1984-07-24	Composition de revetement des parois d'un reacteur et de son materiel accessoire pour la polymerisation du vinyle et de ses composes visant la prevention ou la reduction des depots et des incrustations a l'endroit desdites parois, et mode d'emploi connexe
EP0052421B1 (fr)	1986-11-26	Procédé de polymérisation du chlorure de vinyle
DE2522473C3 (de)	1982-03-25	Polymerisationsgefäß, Verfahren zu dessen Herstellung und dessen Verwendung
CA1122747A (fr)	1982-04-27	Procede a grand debit de polymerisation en suspension du chlorure de vinyle
JPS594603A (ja)	1984-01-11	水性プラスチツク分散液の連続的製法
KR100191378B1 (ko)	1999-06-15	비닐 클로라이드 수지를 제조하기위한 미세현탁중합법
US10519255B2 (en)	2019-12-31	Process for preparing vinyl acetate-ethylene copolymers by emulsion polymerization
US5618497A (en)	1997-04-08	Polymerization apparatus effective in preventing polymer scale deposition
US4555555A (en)	1985-11-26	Process for polymerizing vinyl chloride with a scale prevention compound coated on a reaction surface
US12565553B2 (en)	2026-03-03	Process for preparing aqueous polymer dispersions in a tubular reactor
JP2984851B2 (ja)	1999-11-29	エマルジョン樹脂の製造方法
JPS59179605A (ja)	1984-10-12	アルコキシル基と結合したシリル基を有する変性ポリビニルアルコ−ルの製造法
EP0606013A1 (fr)	1994-07-13	Agent prévenant le dépôt de polymère
KR20010050089A (ko)	2001-06-15	반응기 세척방법
US4980079A (en)	1990-12-25	Agent for preventing vinyl chloride polymer build-up
KR830001026B1 (ko)	1983-05-25	중합반응기의 내부표면상에 중합체 누적을 실질적으로 방지하는 방법
PL104353B1 (pl)	1979-08-31	Sposob wytwarzania polimerow i kopolimerow chlorku winylu przez polimeryzacje suspensyjna
CN210229980U (zh)	2020-04-03	一种超细氢氧化镁阻燃剂制备装置
JPH03265603A (ja)	1991-11-26	塩化ビニル重合体製造用の重合反応器
CA1225799A (fr)	1987-08-18	Polymerisation d'un melange aqueux pour la production du chlorure de polyvinyle
DE2224144A1 (de)	1973-11-29	Verfahren zur herstellung von homooder mischpolymerisaten des vinylchlorids und vorrichtungen zur durchfuehrung des verfahrens
JPH0326704A (ja)	1991-02-05	ビニル系重合体スケールの防止剤およびそれを用いるビニル系重合体スケールの防止法
PL83259B1 (fr)	1975-12-31