SU1081183A1 - Process for surface modification of rubber articles - Google Patents

Process for surface modification of rubber articles Download PDF

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Publication number
SU1081183A1
SU1081183A1 SU792810497A SU2810497A SU1081183A1 SU 1081183 A1 SU1081183 A1 SU 1081183A1 SU 792810497 A SU792810497 A SU 792810497A SU 2810497 A SU2810497 A SU 2810497A SU 1081183 A1 SU1081183 A1 SU 1081183A1
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SU
USSR - Soviet Union
Prior art keywords
rubber
articles
rubber articles
vacuum
surface modification
Prior art date
Application number
SU792810497A
Other languages
Russian (ru)
Inventor
Евгений Анатольевич Духовской
Валентин Апполонович Залавков
Александр Мордухаевич Клейман
Ардальон Николаевич Пономарев
Аскольд Александрович Силин
Леонид Алексеевич Тихомиров
Виктор Львович Тальрозе
Анатолий Владимирович Хомяков
Original Assignee
Предприятие П/Я В-8584
Ордена Ленина Институт Химической Физики Ан Ссср
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.)
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Application filed by Предприятие П/Я В-8584, Ордена Ленина Институт Химической Физики Ан Ссср filed Critical Предприятие П/Я В-8584
Priority to SU792810497A priority Critical patent/SU1081183A1/en
Priority to DE3036026A priority patent/DE3036026C2/en
Priority to CH714180A priority patent/CH644139A5/en
Priority to FR8020565A priority patent/FR2465527A1/en
Priority to GB8030925A priority patent/GB2059971B/en
Priority to JP55133628A priority patent/JPS5820968B2/en
Priority to GB8230298A priority patent/GB2107923B/en
Application granted granted Critical
Publication of SU1081183A1 publication Critical patent/SU1081183A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/10—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation being performed before the application
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
    • B05D3/141—Plasma treatment
    • B05D3/142—Pretreatment
    • B05D3/144—Pretreatment of polymeric substrates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means
    • B05D3/141—Plasma treatment
    • B05D3/145—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
    • B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/10—Surface shaping of articles, e.g. embossing; Apparatus therefor by electric discharge treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/043—Improving the adhesiveness of the coatings per se, e.g. forming primers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/048—Forming gas barrier coatings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/12—Chemical modification
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32018—Glow discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2201/00—Polymeric substrate or laminate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2258/00—Small objects (e.g. screws)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/10—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by other chemical means
    • B05D3/101—Pretreatment of polymeric substrate
    • 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
    • B29K2021/00—Use of unspecified rubbers as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2321/00—Characterised by the use of unspecified rubbers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2427/00—Characterised by the use of homopolymers or 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; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

Suitable apparatus comprises a vacuum chamber 1, rotatable cylindrical "Squirrel cage" 5 comprising disc electrode 6 for producing a glow discharge separated by insulated spokes 7 from the opposite disc electrode, drive means 4, and entry and exit ports 14 for the rubber articles 9. In operation, the rubber articles 9 are wetted with CF4 and coated, in vacuum, with a strongly-bonded thin protective polymer film in sealed chamber 1 accommodating mechanism 5 for tumbling the articles. The invention can be used in the rubber industry for manufacturing mechanical rubber articles featuring a coefficient of friction that is exceedingly low for rubber, and an increased wear resistance. <IMAGE>

Description

WW

с Изобретение относитс  к резиново промьпаленнЬсти, в частности к разра ботке способа поверхностной модификации резинотехнических изделий. Известен способ поверхностной мо дификадии- резинотехнических издел™ включающий смачивание их поверхност фторкеросином, обработку в тлеющем электрическом разр де в вакууме, на сение сло  полимера на ПОВЕРХНОСТЬ изделий и повторную обработку в тле ющем разр де f , Однако известный способ не позво ет увеличить адгезию сло  полимера к издели м. Цель изобретени  - повышение адгезии сло  полимера к издели м. Поставленна  цель достигаетс  тем5 что согласно способу поверх- постной модификации резинотехнических изделий, включающему смачивание ик поверхности фторкеросином, обработку в тлеющем электрическом разр  де в вакуз 5е, нанесение сло  полиме ра на поверхность изделий и повтор эную обработку в тлеющем разр де, после смачивани  фторкеросином провод т термообработку в течение 1-2,4 при 90-150С с последующими охлаждением и сушкой. Пример, Предлагаемым спосо;бом провод т модифицирование резин на основе диенового каучука, напри мер бутадиенового ИРП-2043, 51-1433 5t-l567 и 51-6001. Образец резины 150x150x2 мм смач вают фторкеросином, путем опускани  в емкость с фторкеросином. Затем с образцом помещают в сушил емкость ный шкаф, нагревают до 90-150 С и выдерживают при данной температуре 1-2 ч., Температуру выбирают на 1520 ниже температуры вулканизапии соответствующей смеси, что обеспечивает максимальную диффузию фторкеросина в поры изделий и вместе с тем исключает дополнительную подвулканизацию резины. После этого, образец охлаждают вместе с сушильным шкафом, извлекают из емкости с фторкеросином и сушат на воздухе до исчезновени  следов влаги. Затем образец помещают в цилиндрическую камеру лабораторной стекл нной установки, в которой создают вакуум до давлени  мм рт, ст. Тлеющий разр д возбуждают с помощью источника питани  пзтем подачи на расположенные внутри камеры зле.ктроды напр жени  600 В с частотой 50 Гц. При возникновении разр да и непрерывном откачивании дав ление в камере сначала возрастает, а затем постепенно уменьшаетс . Обработку разр дом прекращают при получении остаточного давлени  ммрт.ст. (обычно через 2-3 ч после включени  источника питани ) .. После этого, образец вынш- ают из к&amp;меры и опускают в эмульсию политетрафторэтилена , например марки Ф-4-Д, сушат на воздухе и вновь помещают в указанную установку, в которой создают вакуум 10- 10 ммрт.ст, и зажигают тлеющий разр д при разности потенциалов между электродами 600-800 В и силе тока 0,15-0,3 А, что соответствует при объеме камеры 3 л удельной мощности разр да 0,0030 ,008 Бт/смз. Данные по адгезии полимерного покрыти , представлены в таблице.The invention relates to the rubber industry, in particular to the development of a method for the surface modification of rubber products. The known method of surface modifying-rubber technical products ™ includes wetting their surfaces with fluorkerosene, treating in a glowing electrical discharge in vacuum, putting a polymer layer on the SURFACE of products and re-treating in glowing discharge f. However, the known method does not allow to increase the adhesion of the layer of the polymer to the product. The purpose of the invention is to increase the adhesion of the polymer layer to the product. The goal is achieved by the fact that according to the method of surface modification of rubber products, including wetting Fluorkerosin surface treatment, glow electrical treatment in vacuo 5e, application of a polymer layer on the surface of products and repeated glow treatment, after wetting with fluorkeroxine, heat treatment is performed for 1-2.4 at 90-150 ° С with subsequent cooling and drying. An example, a proposed method; a bom is used to modify rubber based on diene rubber, for example, butadiene IRP-2043, 51-1433 5t-l567 and 51-6001. A 150x150x2 mm rubber specimen is wound with a fluoro kerosene by lowering it into a container with fluoro kerosene. Then the sample is placed in a drying cabinet and heated to 90–150 ° C and held at this temperature for 1-2 hours. The temperature is chosen 1520 below the vulcanization temperature of the corresponding mixture, which ensures the maximum diffusion of fluorocarcinoma into the pores of the products and at the same time excludes additional rubber vulcanisation. After that, the sample is cooled together with a drying cabinet, removed from the container with fluorokosin and dried in air until the traces of moisture disappear. Then the sample is placed in a cylindrical chamber of a laboratory glass installation, in which a vacuum is created up to a pressure of mm Hg, Art. The glow discharge is excited by means of a power source by supplying a voltage of 600 V at a frequency of 50 Hz located inside the chamber. When a discharge occurs and continuous pumping out, the pressure in the chamber first increases and then gradually decreases. Discharge treatment is stopped when the residual pressure is received, mm Hg. (usually 2-3 hours after switching on the power supply). After that, the sample is taken out of the &amp; measures and immersed in an emulsion of polytetrafluoroethylene, for example brand F-4-D, dried in air and placed again in the specified installation, in which creates a vacuum of 10–10 mmH2, and a glow discharge is ignited at a potential difference between electrodes of 600–800 V and a current of 0.15–0.3 A, which corresponds to a chamber volume of 3 l of specific discharge power of 0.0030 , 008 Bt / cm. Data on the adhesion of the polymer coating are presented in the table.

Адгезионную прочность привитой пленки к исходному материалу опреде-;The adhesive strength of the grafted film to the starting material is defined;

л ют известным методом одновременной деформации адгезива и субстрата до 3 нарушени  адгезионного вэаимодействи  (см. таблицу), В результате испытаний установлено , что использование предлагаемого способа позвол ет в 5-10 раз 1081183 увеличить адгезию между модифнщуованным полимерным cnoew и исходным резиновым изделием по сравнению с известным, что в свою очередь уве5 личивает срок эксплуатации резинотехнических изделий.a known method of simultaneous deformation of the adhesive and substrate up to 3 violations of adhesive action (see table). As a result of the tests, it was found that using the proposed method makes it possible to increase the adhesion between the modified polymer cnoew and the original rubber product 5-10 times known, which in turn increases the life of rubber products.

Claims (1)

СПОСОБ ПОВЕРХНОСТНОЙ МОДИФИКАЦИИ РЕЗИНОТЕХНИЧЕСКИХ ИЗДЕЛИЙ, включающий смачивание их поверхности фторкеросином, обработку в тлеющем электрическом разряде в вакууме, нанесение слоя полимера на поверхность изделий и повторную обработку в тлеющем разряде, отличающийс я тем, что, с целью повышения адгезии слоя полимера к изделиям, после смачивания фторкеросином проводят термообработку в течение. 1-2 ч при 90-150°С с последующими охлаждением и сушкой.METHOD FOR SURFACE MODIFICATION OF RUBBER ENGINEERING PRODUCTS, including wetting their surface with fluoroserine, applying a glow electric discharge in a vacuum, applying a polymer layer to the surface of a product and reprocessing in a glow discharge, characterized in that, with the aim of increasing the adhesion of the product fluoroserine conduct heat treatment for. 1-2 hours at 90-150 ° C followed by cooling and drying. оо ^0oo ^ 0
SU792810497A 1979-09-25 1979-09-25 Process for surface modification of rubber articles SU1081183A1 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SU792810497A SU1081183A1 (en) 1979-09-25 1979-09-25 Process for surface modification of rubber articles
DE3036026A DE3036026C2 (en) 1979-09-25 1980-09-24 Process for the surface modification of technical rubber articles
CH714180A CH644139A5 (en) 1979-09-25 1980-09-24 METHOD FOR MODIFYING THE SURFACE OF TECHNICAL RUBBER ARTICLES.
FR8020565A FR2465527A1 (en) 1979-09-25 1980-09-25 METHOD FOR MODIFYING THE SURFACE OF RUBBER INDUSTRIAL OBJECTS AND DEVICE FOR IMPLEMENTING SAID METHOD
GB8030925A GB2059971B (en) 1979-09-25 1980-09-25 Reducing the surface friction of rubber articles
JP55133628A JPS5820968B2 (en) 1979-09-25 1980-09-25 Method for modifying the surface of mechanical rubber products
GB8230298A GB2107923B (en) 1979-09-25 1982-10-22 Apparatus for modifying the surface of rubber articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792810497A SU1081183A1 (en) 1979-09-25 1979-09-25 Process for surface modification of rubber articles

Publications (1)

Publication Number Publication Date
SU1081183A1 true SU1081183A1 (en) 1984-03-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU792810497A SU1081183A1 (en) 1979-09-25 1979-09-25 Process for surface modification of rubber articles

Country Status (6)

Country Link
JP (1) JPS5820968B2 (en)
CH (1) CH644139A5 (en)
DE (1) DE3036026C2 (en)
FR (1) FR2465527A1 (en)
GB (2) GB2059971B (en)
SU (1) SU1081183A1 (en)

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RU2640768C1 (en) * 2016-12-29 2018-01-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский экономический университет имени Г.В. Плеханова" (ФГБОУ ВО "РЭУ им. Г.В. Плеханова") Method of elastomer surface modification

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DE19727525A1 (en) * 1997-06-30 1999-01-07 Bayer Ag Process for coating silicone elastomers
DE102009041132B4 (en) * 2009-09-14 2014-08-14 Schott Ag Method for producing a sliding layer and pharmaceutical packaging with sliding layer
DE102011009057B4 (en) 2011-01-20 2015-12-10 Schott Ag Plasma treatment apparatus for the production of coatings and methods for the internal plasma treatment of containers

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GB1120804A (en) * 1965-01-13 1968-07-24 Richard George Christopher Jen Method of reducing the coefficient of friction of elastomer surfaces
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1. Авторское свидетельство СССР № 642950, кл. В 32 В 25/08, 1977 (прототип). *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2640768C1 (en) * 2016-12-29 2018-01-11 Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский экономический университет имени Г.В. Плеханова" (ФГБОУ ВО "РЭУ им. Г.В. Плеханова") Method of elastomer surface modification

Also Published As

Publication number Publication date
DE3036026C2 (en) 1984-05-03
JPS5664851A (en) 1981-06-02
DE3036026A1 (en) 1981-04-09
FR2465527A1 (en) 1981-03-27
FR2465527B1 (en) 1984-01-06
CH644139A5 (en) 1984-07-13
GB2059971A (en) 1981-04-29
JPS5820968B2 (en) 1983-04-26
GB2107923A (en) 1983-05-05
GB2107923B (en) 1985-02-20
GB2059971B (en) 1985-02-20

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