SU498824A1 - Method of stabilizing polyvinyl chloride - Google Patents

Method of stabilizing polyvinyl chloride

Info

Publication number
SU498824A1
SU498824A1 SU741991317A SU1991317A SU498824A1 SU 498824 A1 SU498824 A1 SU 498824A1 SU 741991317 A SU741991317 A SU 741991317A SU 1991317 A SU1991317 A SU 1991317A SU 498824 A1 SU498824 A1 SU 498824A1
Authority
SU
USSR - Soviet Union
Prior art keywords
stabilizing
polyvinyl chloride
polymerization
conversion
stabilizing polyvinyl
Prior art date
Application number
SU741991317A
Other languages
Russian (ru)
Inventor
В.С. Ковальчук
В.В. Мамакин
А.А. Муханов
Ю.П. Фокин
В.Я. Колесников
Г.В. Бутаков
Original Assignee
Предприятие П/Я М-5364
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.)
Filing date
Publication date
Application filed by Предприятие П/Я М-5364 filed Critical Предприятие П/Я М-5364
Priority to SU741991317A priority Critical patent/SU498824A1/en
Application granted granted Critical
Publication of SU498824A1 publication Critical patent/SU498824A1/en

Links

Description

(54) СПОСОБ СТАБИЛИЗАЦИИ ПОЛИВИНИЛХЛОРИДА(54) METHOD OF STABILIZATION OF POLYVINYL CHLORIDE

перекисного катализатора (Б пересчете на активный кислород).peroxide catalyst (B based on active oxygen).

Процесс ведут при температуре 76°С и давлегши 15 кгс/см до koHBepcHH ВХ 8-15%, после чего в реактор загружают еще 2000 кг ВХ дл  промьтки. Затем реакционную массу перегружают в горизонтальный цилиидр1П ескш1 аппарат с мешалкой объемом 15 м (втора  стади ) , в KoiopbilT предварительно загружают еще 150 г перекисного катализатора (в пересчете на активньй кислород) и 1300 кг мономера. Полимеризацию провод т при температуое 55° С и давлении 8,4 кгс/см до конверсии 6090% . За 30-120 шш до окончани  процесса в автоклав ввод т смесь, состо щзао из 20 кг эпоксидирсванного соевого масла и I кг дифешйолпропана-ант| ксиданта. После 30-минутного перемешивани  производитс  дегазаци  незаполимеризовавшегос  ВХ.The process is carried out at a temperature of 76 ° C and a pressure of 15 kgf / cm to koHBepcHH BX 8-15%, after which another 2000 kg BX is charged to the reactor. Then the reaction mass is overloaded into a horizontal cylindrical apparatus with a stirrer of 15 m (second stage), another 150 g of peroxide catalyst (in terms of active oxygen) and 1300 kg of monomer are preloaded into KoiopbilT. The polymerization is carried out at a temperature of 55 ° C and a pressure of 8.4 kgf / cm to a conversion of 6090%. 30–120 shsh before the end of the process, the mixture consisting of 20 kg of epoxy-dyed soybean oil and I kg of difesjolpropane-ant is introduced into the autoclave; ksidanta. After 30 minutes of mixing, degassing of the non-polymerized BX is performed.

Общее врем  полимеризации 7-8 ч. Пример приведен дл  ПВХ с константой Фикентчера64-6Total polymerization time is 7-8 hours. An example is given for PVC with Fikentscher constant 64-6

П р и м е р 2. Суспензионна  полимеризаци  ВХ.PRI mme R 2. Suspension polymerization of BX.

Суспензионную полимеризацию ВХ провод т в одну стадию в вертикальном цилиндрическом аппарате с мешалкой объемом 30 м в присутствии 120 г перекисного катализатора (в пересчете на активный кислорог, 3,4 кг защитного коллоида-метоцил и 8500 кг мономера. Процесс провод т при температуре .н давлении 7,6 кгс/см. В реакторе полимеризацию ведут до 60-90% конверсии ВХ.Suspension polymerization of VC is carried out in one stage in a vertical cylindrical apparatus with a stirrer with a volume of 30 m in the presence of 120 g of peroxide catalyst (in terms of active oxygen, 3.4 kg of protective colloid-metocil and 8500 kg of monomer. The process is carried out at pressure of 7.6 kgf / cm. In the reactor, the polymerization is up to 60-90% conversion of VC.

За 30-120 мин до окончани  процесса в реактор ввод т смесь, состо щую из 20 кг зпоксидированного соевого масла и I. кг дифенилолпропана. Общее врем  полимеризации 6-9 ч. Пример приведен дл  ПВХ с константой Фикеитчера 70-73.30-120 minutes before the end of the process, a mixture consisting of 20 kg of zpoxidized soybean oil and 1 kg of diphenylolpropane is introduced into the reactor. The total polymerization time is 6-9 hours. An example is given for PVC with a Fikeitcher constant of 70-73.

Результаты опытов приведены в таблице.The results of the experiments are given in the table.

полимеризаци polymerization

70 0,5115370 0.51153

710,52 153710.52 153

71 0,4812771 0.48127

710,49137710.49137

650,64650.64

Claims (1)

Формула изобретени Invention Formula Способ стабилизации поливинилхлорида введением стабилизирующей добавки в процессе сус75Method of stabilizing polyvinyl chloride by the introduction of a stabilizing additive in the process of sus75 11eleven 8585 Врем  полиме30 ризации - 5 7 ч или 3555% конверсииPolymerization time is 5–7 h or 3555% conversion 2525 3,43.4 60 60 пензионной или 15ЛОЧНОЙ полимеризации, о т личающийс  тем, что, с целью повыщени  стабилизирующего эффекта и снижени  себе стоимости продукта, в качестве стабилизирующейpolymerization, which, in order to increase the stabilizing effect and reduce the cost of the product, as a stabilizing 5498824 ,65498824, 6 добавки берут смесь эпоксидированного соевогомономера, которую ввод т за 30-120 минadditives take a mixture of epoxidized soyogomonomer, which is introduced in 30-120 minutes масла и дифенилоппропана в количестве 0,1775- до конца процесса полимеризации, что соответ1 ,1875 и 0,0625-0,025% соответственно от весаствует 60-90% конверсии винипхлорида.oil and diphenylopropane in the amount of 0.1775- until the end of the polymerization process, which is 1, 1875 and 0.0625-0.025%, respectively, of 60-90% of vinyl chloride conversion.
SU741991317A 1974-01-30 1974-01-30 Method of stabilizing polyvinyl chloride SU498824A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU741991317A SU498824A1 (en) 1974-01-30 1974-01-30 Method of stabilizing polyvinyl chloride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU741991317A SU498824A1 (en) 1974-01-30 1974-01-30 Method of stabilizing polyvinyl chloride

Publications (1)

Publication Number Publication Date
SU498824A1 true SU498824A1 (en) 1979-10-05

Family

ID=20574217

Family Applications (1)

Application Number Title Priority Date Filing Date
SU741991317A SU498824A1 (en) 1974-01-30 1974-01-30 Method of stabilizing polyvinyl chloride

Country Status (1)

Country Link
SU (1) SU498824A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2529493C1 (en) * 2013-06-24 2014-09-27 Открытое Акционерное Общество "Каустик" Method for suspension polymerisation of vinyl chloride

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2529493C1 (en) * 2013-06-24 2014-09-27 Открытое Акционерное Общество "Каустик" Method for suspension polymerisation of vinyl chloride

Similar Documents

Publication Publication Date Title
US3069401A (en) Copolymers of hexafluoropropylene vinylidene fluoride and aliphatic, chain transfer agents
KR860009045A (en) Method for preparing methacrylimide-containing polymer
ES440200A1 (en) Process for the polymerization of acrylonitrile
SU498824A1 (en) Method of stabilizing polyvinyl chloride
NO138336B (en) ANALOGICAL PROCEDURE FOR PREPARATION OF THERAPEUTICALLY ACTIVE BENZOFURAN DERIVATIVES
SU580846A3 (en) Impact proof thermoplastic composition
US3058899A (en) Polymerization of vinyl compounds
US4015064A (en) Manufacture of polyvinyl chloride of low vinyl chloride monomer content
GB1462331A (en) Process for producing water-soluble acrylamide polymers
US3357964A (en) Process for the polymerization of vinyl aromatic compounds
GB1575529A (en) Polytetramethylene ether glycol esters
US3431281A (en) Method of preparing 2-methylene-1,3-dioxolane
US2717248A (en) Polymerization of vinyl chloride with monopermalonate catalyst
US3306881A (en) Method of making insoluble polymers of n-vinyl imides
JPS6015412A (en) Manufacture of ethylene-vinyl acetate copolymers
US3251810A (en) Copolymerization of vinyl chloride with a catalyst consisting of aluminum trialkyl, a boric acid ester and a cocatalyst
US3431247A (en) Chemical process and products
US3527743A (en) Process for making polyvinyl chloride
US3657311A (en) Di(cis-3 3 5-trimethylcyclohexyl) peroxydicarbonate
US3250746A (en) Method of polymerization of acetaldehyde and formaldehyde in solution
US3736306A (en) Polymerization of vinyl chloride with blends of peroxide initiators
GB1164331A (en) Process for the Polymerisation of Mixtures of Different Delta<2>-Oxazolines
US4000355A (en) Production of vinyl chloride resins with short dry-blend time
CA1037198A (en) Bulk polymerization of vinyl halide polymers and copolymers incorporating stabilizers therefor
US3406157A (en) Polymerization of vinyl chloride in the presence of ammonia complex of a lower trialkylboron as catalyst therefor