JP3449697B2 - Method for producing rubber composite thin film - Google Patents
Method for producing rubber composite thin filmInfo
- Publication number
- JP3449697B2 JP3449697B2 JP2000017790A JP2000017790A JP3449697B2 JP 3449697 B2 JP3449697 B2 JP 3449697B2 JP 2000017790 A JP2000017790 A JP 2000017790A JP 2000017790 A JP2000017790 A JP 2000017790A JP 3449697 B2 JP3449697 B2 JP 3449697B2
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- JP
- Japan
- Prior art keywords
- rubber
- thin film
- composition
- composite
- layer
- 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.)
- Expired - Fee Related
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Description
【０００１】[0001]
【産業上の利用分野】本発明はゴム複合薄膜の製造方
法、さらに詳細には少なくとも二層構造のゴム薄膜を容
易に製造する方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for producing a rubber composite thin film, and more particularly to a method for easily producing a rubber thin film having at least a two-layer structure.
【０００２】[0002]
【従来技術及び問題点】従来、二層構造のゴム薄膜を製
造する場合に、二枚のゴム膜をそれぞれ架橋して硬化さ
せた後、接着剤を塗布して熱圧着して製造していた。こ
の場合、架橋済みのゴム膜は薄いため、接着剤の塗布、
乾燥工程あるいは熱圧着する場合に、ゴム膜に破れなど
を生じさせないように、均一に貼り合わせなければなら
ないため、正確に制御する必要があり、実質上、０．５
ｍｍ未満の二層構造のゴム薄膜は、市場供給用としては
製造されていないのが現状である。2. Description of the Related Art Conventionally, when a rubber thin film having a two-layer structure is manufactured, two rubber films are respectively crosslinked and cured, and then an adhesive is applied and thermocompression bonding is performed. . In this case, since the cross-linked rubber film is thin, apply adhesive,
In the drying process or thermocompression bonding, the rubber film must be evenly bonded so as not to be broken, so it is necessary to accurately control the rubber film.
At present, the rubber thin film having a two-layer structure of less than mm is not manufactured for market supply.
【０００３】上述のような二層構造のゴム薄膜は、一方
に機能性を持たせ、他方に強度を持たせて、安価な機能
性ゴム製品を製造したり、あるいは表裏面で異なる機能
を持たせることにより、薄くて性能の優れたゴム製品を
提供できる利点があり、０．５ｍｍ厚未満のゴム複合薄
膜を容易に製造することが希求されている。The rubber thin film having the two-layer structure as described above has a function on one side and a strength on the other side to manufacture an inexpensive functional rubber product or have different functions on the front and back surfaces. By doing so, there is an advantage that a thin and excellent rubber product can be provided, and it is desired to easily manufacture a rubber composite thin film having a thickness of less than 0.5 mm.
【０００４】本発明は上述の問題点に鑑みなされたもの
であり、少なくとも二層構造のゴム複合薄膜を容易に製
造する方法を提供することを目的とする。The present invention has been made in view of the above problems, and an object thereof is to provide a method for easily producing a rubber composite thin film having at least a two-layer structure.
【０００５】[0005]
【問題点を解決するための手段】上記問題点を解決する
ため、本発明によるゴム複合薄膜の製造方法は、０．１
〜０．３ｍｍの織布の基布上に離型剤を塗布する工程、
前記離型剤上に所定の特性を有するゴム組成物を塗布し
乾燥し、０．００８〜０．０３ｍｍの厚さの第一のゴム
薄膜を形成する工程、前記第一のゴム薄膜上に他の特性
を有するゴム組成物をトッピングし、０．０５〜０．５
ｍｍ未満の厚さの第二のゴム薄膜を形成する工程、形成
された複合ゴム層を架橋する工程、前記架橋された複合
ゴム層より基布を剥離する工程を含むことを特徴とす
る。Means for Solving the Problems] To solve the above problems, a manufacturing method of a rubber composite thin film according to the present invention, 0.1
A step of applying a release agent on a woven base fabric of ~ 0.3 mm ,
A step of applying a rubber composition having predetermined properties onto the release agent and drying the composition to form a first rubber thin film having a thickness of 0.008 to 0.03 mm ; and other steps on the first rubber thin film. Topped with a rubber composition having the characteristics of
The method is characterized by including a step of forming a second rubber thin film having a thickness of less than mm, a step of cross-linking the formed composite rubber layer, and a step of peeling the base cloth from the cross-linked composite rubber layer.
【０００６】本発明によれば、基布上に第一のゴム組成
物を塗布し乾燥させ、その上に他の種類あるいは異なる
の組成の第ニのゴム組成物をトッピングし、架橋した
後、基布を剥離するため、薄いゴム複合薄膜を容易に製
造できるという利点がある。According to the present invention, the first rubber composition is coated on the base cloth and dried, and then the second rubber composition of another kind or a different composition is topped and cross-linked, Since the base cloth is peeled off, there is an advantage that a thin rubber composite thin film can be easily manufactured.
【０００７】[0007]
【発明の具体的説明】本発明によれば、まず基布上に離
型剤を塗布する。本発明において使用される基布はポリ
エステル素材のものである。ゴム複合薄膜を製造する場
合に補強の作用を営むもので、また架橋後のカール防止
に効果のあるものである。このような基布としては、ポ
リエステル基布を使用することができる。このような基
布の織り方は基本的に限定されるものではなく、平織
り、綾織り等の基布を使用することができる。さらにこ
の基布は、ゴム複合薄膜を連続的に多量生産するため
に、長尺であるのが好ましく、さらに厚さは０．１〜
０．３ｍｍであるのがよい。０．１ｍｍ未満であると、
折れ皺が入ったり、強度が不足して、補強効果が損なわ
れる恐れがあり、一方、０．３ｍｍを超えると、自重増
加により架橋材より脱落の危険がある。DETAILED DESCRIPTION OF THE INVENTION According to the present invention, a release agent is first coated on a base fabric. The base fabric used in the present invention is a polyester material. It has a reinforcing effect when producing a rubber composite thin film, and is effective in preventing curling after crosslinking. As such a base cloth, a polyester base cloth can be used. The weaving method of such a base cloth is not basically limited, and a base cloth such as a plain weave or a twill weave can be used. Further, this base cloth is preferably long in order to continuously produce a large amount of rubber composite thin film, and the thickness is 0.1 to 0.1 mm.
It is good that it is 0.3 mm. If it is less than 0.1 mm,
If it exceeds 0.3 mm, there is a risk of falling off from the cross-linking material due to an increase in its own weight.
【０００８】このような基布上に離型剤を塗布する。離
型剤は基布と架橋形成されたゴム複合薄膜とを容易に剥
離可能なものであれば基本的にいかなるものでもよい。
たとえばシリコーンカップリング系離型剤、シリコーン
系離型剤、フッ素系離型剤等を使用することができる。
このような離型剤は、固形分１〜８重量％の溶液状で使
用し、基布を浸漬することによって塗布するのが好まし
い。固形分が１重量％未満であると、離型作用が十分発
揮されない恐れがあり、８重量％を超えると、粘度が大
きくなりすぎて、前記基布に薄く、かつ均一に塗布でき
ない恐れがあり、結果として薄い、均一なゴム複合薄膜
が形成できない恐れがある。A release agent is applied on such a base cloth. The release agent may basically be any as long as it can easily release the base cloth and the crosslinked rubber composite thin film.
For example, a silicone coupling type release agent, a silicone type release agent, a fluorine type release agent or the like can be used.
Such a release agent is preferably used in the form of a solution having a solid content of 1 to 8% by weight, and is applied by dipping the base cloth. If the solid content is less than 1% by weight, the releasing effect may not be sufficiently exerted, and if it exceeds 8% by weight, the viscosity may become too large and the base cloth may not be applied thinly and uniformly. As a result, a thin and uniform rubber composite thin film may not be formed.
【０００９】このような離型剤は、基布に塗布後、架橋
缶などにおいて、圧力２〜４ｋｇｆ／ｃｍ2で１４０±
１０℃、１〜２時間乾燥する。また、乾燥条件が、上記
の範囲を逸脱すると、良好な離型性を有する離型剤層が
形成できない恐れがある。Such a release agent is applied to a base cloth and then applied to a crosslinked can or the like at a pressure of 2 to 4 kgf / cm 2 at 140 ±.
Dry at 10 ° C for 1-2 hours. Further, if the drying conditions deviate from the above range, there is a possibility that a release agent layer having a good releasing property cannot be formed.
【００１０】上述のように離型剤層を形成した後、所定
の特性を有するゴム組成物（第一のゴム組成物という）
を塗布する。このような第一のゴム組成物は、たとえば
固形ゴム分３０〜５０重量％を含むペースト状とし、ス
プレッダーコーティングによって塗布することができ
る。塗布量は５〜４０ｇ／ｃｍ2であるのが好ましい。
前記塗布量が５ｇ／ｃｍ2未満であると、所定の機能を
有する良好な第一のゴム薄膜を形成することが困難とな
り、一方、４０ｇ／ｃｍ2を超えると、厚さが厚くなり
すぎて、均一な薄膜を形成しにくいからである。After forming the release agent layer as described above, a rubber composition having a predetermined characteristic (referred to as a first rubber composition)
Apply. Such a first rubber composition can be applied as a paste containing a solid rubber content of 30 to 50 wt% by spreader coating. The coating amount is preferably 5 to 40 g / cm 2 .
When the coating amount is less than 5 g / cm 2 , it becomes difficult to form a good first rubber thin film having a predetermined function, while when it exceeds 40 g / cm 2 , the thickness becomes too thick. This is because it is difficult to form a uniform thin film.
【００１１】このようなゴムとしては、クロロプレンゴ
ム（ＣＲ）、クロロスルホン化ポリエチレン（ＣＳ
Ｍ）、エチレンプロピレンゴム（ＥＰＴ）、アクリルニ
トリルゴム（ＮＢＲ）、水添加アクリルニトリルゴム
（Ｈ−ＮＢＲ）、ブチルゴム（ＩＩＲ）、スチレンブタ
ジエンゴム（ＳＢＲ）、天然ゴム（ＮＲ）、シリコーン
ゴム、フロロシリコーンゴム、フッ素ゴム等を使用する
ことができる。Examples of such rubber include chloroprene rubber (CR) and chlorosulfonated polyethylene (CS).
M), ethylene propylene rubber (EPT), acrylonitrile rubber (NBR), water-added acrylonitrile rubber (H-NBR), butyl rubber (IIR), styrene butadiene rubber (SBR), natural rubber (NR), silicone rubber, fluoro Silicone rubber, fluororubber, etc. can be used.
【００１２】上記ゴム分をペースト状とする溶媒は基本
的に限定されるものではなく、前記ゴム分を溶解するも
のであれば基本的にいかなるものであってもよい。The solvent for making the rubber component into a paste is not particularly limited, and any solvent may be used as long as it dissolves the rubber component.
【００１３】このような第一のゴム薄膜の厚さは、０．
００８〜０．０３ｍｍである。この第一のゴム薄膜は基
本的に薄い方がよいのであるが、薄すぎると所定の機能
を発揮できず、また強度に問題を生じる恐れがある。一
方０．０３ｍｍを超えると、全体としてゴム複合薄膜の
厚さが大きくなりすぎる恐れがあり、好ましくない。The thickness of such a first rubber thin film is 0.
008~0.03mm Ru Der. It is basically preferable that the first rubber thin film is thin. However, if the first rubber thin film is too thin, a predetermined function cannot be exhibited, and there is a possibility that strength may be deteriorated. On the other hand, if it exceeds 0.03 mm, the thickness of the rubber composite thin film may be too large as a whole, which is not preferable.
【００１４】このときの目付け量は、好ましくは５〜４
０ｇ／ｍ2であるのが好ましい。５ｇ／ｍ2未満である
と、十分な厚さのゴム薄膜を形成できない恐れがあり、
一方、４０ｇ／ｍ2を超えると、厚くなりすぎ、かつ均
一に塗布できない恐れがあるからである。The basis weight at this time is preferably 5 to 4.
It is preferably 0 g / m 2 . If it is less than 5 g / m 2 , there is a possibility that a rubber thin film having a sufficient thickness cannot be formed,
On the other hand, if it exceeds 40 g / m 2, it may be too thick and may not be uniformly applied.
【００１５】このような第一のゴム薄膜層を、たとえば
１３０±１０℃で乾燥した後、第二のゴム組成物（第一
のゴム組成物と異なる特性を有するゴム組成物）をトッ
ピングする。この第二のゴム組成物をのゴム分は、上述
のゴムを有効に使用することができる。すなわち、クロ
ロプレンゴム（ＣＲ）、クロロスルホン化ポリエチレン
（ＣＳＭ）、エチレンプロピレンゴム（ＥＰＴ）、アク
リルニトリルゴム（ＮＢＲ）、水添加アクリルニトリル
ゴム（Ｈ−ＮＢＲ）、ブチルゴム（ＩＩＲ）、スチレン
ブタジエンゴム（ＳＢＲ）、天然ゴム（ＮＲ）、シリコ
ーンゴム、フロロシリコーンゴム、フッ素ゴム等を使用
することができる。After drying such a first rubber thin film layer at, for example, 130 ± 10 ° C., a second rubber composition (a rubber composition having characteristics different from those of the first rubber composition) is topped. As the rubber component of the second rubber composition, the above-mentioned rubber can be effectively used. That is, chloroprene rubber (CR), chlorosulfonated polyethylene (CSM), ethylene propylene rubber (EPT), acrylonitrile rubber (NBR), water-added acrylonitrile rubber (H-NBR), butyl rubber (IIR), styrene butadiene rubber ( SBR), natural rubber (NR), silicone rubber, fluorosilicone rubber, fluororubber, etc. can be used.
【００１６】この第二のゴム組成物は、たとえばカレン
ダーによってトッピングすることができる。この第二の
ゴム薄膜の厚さは、０．０５〜０．５ｍｍ未満であり、
特に０．０５〜０．４ｍｍ程度であるのが良い。０．０
５ｍｍ未満であると、強度的に問題を生じる恐れがあ
り、０．５ｍｍ以上であると、一般のゴム複合薄膜と同
様な厚さとなって、本発明によって製造する必要はなく
なるからである。The second rubber composition can be topped with a calendar, for example. The thickness of the second rubber thin film is 0.05 to less than 0.5 mm ,
Particularly, it is preferable that the distance is about 0.05 to 0.4 mm. 0.0
If it is less than 5 mm, a problem may occur in strength, and if it is 0.5 mm or more, the thickness is the same as that of a general rubber composite thin film, and it is not necessary to manufacture it according to the present invention.
【００１７】この第二のゴム薄膜の一般に、第一のゴム
薄膜と第二のゴム薄膜のゴム分は、接着一体化しやすい
物であるのが好ましい。この場合、基本的に同種のゴム
を使用するのが好ましいが、本発明において、このよう
に同種のゴムを使用する場合、第一のゴム薄膜としてク
ロロプレンゴム（ＣＲ）、第二のゴム薄膜としても同様
にクロロプレンゴム（ＣＲ）を使用するとき、たとえば
配合組成、配合剤割合を変化させることによって、それ
ぞれの薄膜の特性を異なるものにすることができる。In general, it is preferable that the rubber components of the first rubber thin film and the second rubber thin film of the second rubber thin film are easily bonded and integrated. In this case, it is basically preferable to use the same kind of rubber, but in the present invention, when using the same kind of rubber as described above, chloroprene rubber (CR) as the first rubber thin film and the second rubber thin film as the second rubber thin film. Similarly, when chloroprene rubber (CR) is used, the characteristics of the respective thin films can be made different by changing the compounding composition and compounding agent ratio.
【００１８】当然のことながら、第一の薄膜と第二の薄
膜の種類を異なるものにすることができ、たとえば第一
の薄膜としてクロロプレンゴムを使用し、第二のゴム薄
膜としてブチルゴムを使用することによって、耐薬品性
（フッ素ゴム）が良好で、さらに加工性（クロロプレン
ゴム）の良いゴム複合薄膜を製造することができる。As a matter of course, the types of the first thin film and the second thin film can be different, for example, chloroprene rubber is used as the first thin film and butyl rubber is used as the second rubber thin film. As a result, a rubber composite thin film having good chemical resistance (fluorine rubber) and good processability (chloroprene rubber) can be produced.
【００１９】このように第一のゴム薄膜に第二のゴム薄
膜をトッピングし、複合ゴム層を形成した後、前記複合
ゴム層を架橋し、一体化する。この架橋方法は、本発明
において基本的に限定されるものではなく、たとえば、
缶架橋、熱空気連続架橋機、ロートキュアー等によって
架橋することができる。前述のロートキュアーによれ
ば、空気を遮断して架橋可能なことから、過酸化物架橋
を行うようなゴムに適用できる。すなわち、本発明にお
いて架橋方法は基本的に限定されるものではなく、硫黄
架橋、過酸化物架橋のいずれの方法も有効である。In this way, the second rubber thin film is topped on the first rubber thin film to form a composite rubber layer, and then the composite rubber layer is crosslinked and integrated. This crosslinking method is not basically limited in the present invention, and for example,
It can be crosslinked by a can crosslinker, a hot air continuous crosslinker, a rotocure or the like. According to the above-mentioned Roto Cure, since it is possible to crosslink by blocking air, it can be applied to a rubber that undergoes peroxide crosslinking. That is, the crosslinking method in the present invention is not basically limited, and both sulfur crosslinking and peroxide crosslinking are effective.
【００２０】このように複合ゴム層を架橋した後、基布
を剥離して、本発明のゴム複合薄膜を製造する。After crosslinking the composite rubber layer in this manner, the base cloth is peeled off to produce the rubber composite thin film of the present invention.
【００２１】本発明によって製造されたゴム複合薄膜
は、たとえばＣＤ−ＲＯＭのターンテーブルにおけるリ
ング状ゴムシート、ノンスリップシート等に使用するこ
とができる。The rubber composite thin film produced by the present invention can be used, for example, as a ring-shaped rubber sheet or a non-slip sheet in a turntable of a CD-ROM.
【００２２】[0022]
【実施例】厚さ０．１ｍｍのポリエステル基布をシリコ
ーンカップリング系離型剤溶液（固形分５重量％、溶媒
トルエン）に浸漬し、１４０℃、２時間、４ｋｇｆ／ｃ
ｍ 2の条件で架橋し、離型剤層を形成した。[Example] A 0.1 mm thick polyester base cloth
Mold coupling type release agent solution (solid content 5% by weight, solvent
(Toluene), 140 ℃, 2 hours, 4kgf / c
m 2Crosslinking was performed under the conditions of to form a release agent layer.
【００２３】次に下記の組成の第一のゴム組成物を用意
し、スプレッダーコーティングによって厚さ約０．０１
ｍｍ（目付け量１０ｇ／ｍ2）で、前記離型剤層上にコ
ーティングした。Next, a first rubber composition having the following composition was prepared, and spreaded to a thickness of about 0.01 by spreader coating.
mm (Basis weight 10 g / m 2 ) was coated on the release agent layer.
【００２４】
組成１
クロロプレンゴム（ＣＲ） ７０〜８０重量％
この第一のゴム薄膜を１２０℃で乾燥した後、下記の第
二のゴム組成物をカレンダーによって、０．３ｍｍ厚で
トッピングした。Composition 1 Chloroprene rubber (CR) 70-80 wt% After drying this first rubber thin film at 120 ° C., the following second rubber composition was topped to a thickness of 0.3 mm with a calendar.
【００２５】
組成２
クロロプレンゴム（ＣＲ） ３０〜５０重量％
第二のゴム薄膜を形成した後、熱空気連続架橋機で架橋
を行い、その後、基布を剥離して、厚さ約０．３ｍｍの
ゴム複合薄膜を形成した。Composition 2 Chloroprene rubber (CR) 30 to 50% by weight After forming the second rubber thin film, it is crosslinked by a hot air continuous crosslinker, and then the base cloth is peeled off to a thickness of about 0.3 mm. A rubber composite thin film was formed.
【００２６】実施例１においては、組成１及び組成２に
おいて硬度を変化させた。すなわち第１層を硬さ５０
（ショアー Ａ硬度）、第２層を硬さ６５（ショアー
Ａ硬度）として摩擦係数の測定を行った。参考として、
組成１のクロロプレンゴムの０．３ｍｍ厚の膜、組成２
のクロロプレンゴムの０．３ｍｍ厚の膜を作製し、同様
に摩擦係数を測定した。結果を表１に示す。In Example 1, the hardness was changed in Composition 1 and Composition 2. That is, the first layer has a hardness of 50
(Shore A hardness), the hardness of the second layer is 65 (Shore A hardness)
A hardness was measured as a friction coefficient. As reference,
0.3 mm thick film of chloroprene rubber of composition 1, composition 2
A 0.3 mm thick film of chloroprene rubber was prepared and the friction coefficient was measured in the same manner. The results are shown in Table 1.
【００２７】[0027]
【表１】 [Table 1]
【００２８】実施例２として、組成１及び組成２におい
て老化防止剤を添加していない第１層と添加した第２層
のゴム複合膜を作製した。参考として、前記第１層と同
じ組成のクロロプレンゴムの０．３ｍｍ厚の膜および前
記第２層と同じ組成のクロロプレンゴムの０．３ｍｍ厚
の膜を作製し、実施例２とともに汚染性を測定した。結
果を表２に示す。As Example 2, a rubber composite film having a first layer to which the antiaging agent was not added and a second layer to which the antiaging agent was added was prepared. As a reference, a 0.3 mm-thick film of chloroprene rubber having the same composition as that of the first layer and a 0.3 mm-thick film of chloroprene rubber having the same composition as that of the second layer were prepared, and the contamination property was measured together with Example 2. did. The results are shown in Table 2.
【００２９】[0029]
【表２】 [Table 2]
【００３０】次に同様にして、実施例３として、第１層
ＥＰＤＭ、第２層クロロプレンゴムのゴム複合薄膜を作
製した。いずれも、第１層及び第２層のそれぞれの厚さ
は０．０１ｍｍ、０．３ｍｍであった。参考として第１
層と同じ組成の０．３ｍｍ厚のＥＰＤＭ膜、第２層と同
じ組成のクロロプレンゴム膜を作製し、実施例３ととも
に耐オゾン性及び接着性を測定した。結果を表３に示
す。Then, similarly, as Example 3, a rubber composite thin film of the first layer EPDM and the second layer chloroprene rubber was prepared. In each case, the thicknesses of the first layer and the second layer were 0.01 mm and 0.3 mm, respectively. First as a reference
A 0.3 mm thick EPDM film having the same composition as that of the layer and a chloroprene rubber film having the same composition as that of the second layer were prepared, and ozone resistance and adhesiveness were measured together with Example 3. The results are shown in Table 3.
【００３１】[0031]
【表３】 [Table 3]
【００３２】[0032]
【発明の効果】以上説明したように、本発明によれば、
基布上に第一のゴム組成物を塗布し乾燥させ、その上に
他の種類あるいは異なるの組成の第一のゴム組成物をト
ッピングし、架橋した後、基布を剥離するため、薄いゴ
ム複合薄膜を容易に製造できるという利点がある。As described above, according to the present invention,
The first rubber composition is applied to the base cloth and dried, and then the first rubber composition of another kind or a different composition is topped on it, and after cross-linking, the base cloth is peeled off. There is an advantage that the composite thin film can be easily manufactured.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平２−125735（ＪＰ，Ａ) 特開 昭58−219022（ＪＰ，Ａ) 特開 平９−66534（ＪＰ，Ａ) 特開 平２−120332（ＪＰ，Ａ) 特開 昭60−157850（ＪＰ，Ａ) 特開 平７−52176（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) B29C 41/22 B32B 25/04 ─────────────────────────────────────────────────── --Continued from the front page (56) Reference JP-A-2-125735 (JP, A) JP-A-58-219022 (JP, A) JP-A-9-66534 (JP, A) JP-A-2- 120332 (JP, A) JP 60-157850 (JP, A) JP 7-52176 (JP, A) (58) Fields investigated (Int.Cl. 7 , DB name) B29C 41/22 B32B 25 / 04
Claims (4)
型剤を塗布する工程、前記離型剤上に所定の特性を有す
るゴム組成物を塗布し乾燥し、０．００８〜０．０３ｍ
ｍの厚さの第一のゴム薄膜を形成する工程、前記第一の
ゴム薄膜上に他の特性を有するゴム組成物をトッピング
し、０．０５〜０．５ｍｍ未満の厚さの第二のゴム薄膜
を形成する工程、形成された複合ゴム層を架橋する工
程、前記架橋された複合ゴム層より基布を剥離する工程
を含むことを特徴とするゴム複合薄膜の製造方法。[Claim 1] and a step of applying onto the base fabric of the woven fabric release agent 0.1 to 0.3 mm, was applied a rubber composition having a predetermined property on the releasing agent drying, 0. 008-0.03m
forming a first rubber thin film having a thickness of m steps, topped with a rubber composition having other properties in the first on the rubber film, of less than 0.05~0.5mm thick second A method for producing a rubber composite thin film, comprising: a step of forming a rubber thin film; a step of crosslinking a formed composite rubber layer; and a step of peeling a base cloth from the crosslinked composite rubber layer.
状であり、浸漬によって基布上に塗布することを特徴と
する請求項１記載のゴム複合薄膜の製造方法。2. The method for producing a rubber composite thin film according to claim 1, wherein the release agent is in the form of a solution having a solid content of 1 to 8% by weight and is applied onto the base cloth by dipping.
３０〜５０重量％のペースト状であり、スプレッダーコ
ーティングによって、コーティングすることを特徴とす
る請求項１又は２記載のいずれかのゴム複合薄膜の製造
方法。3. The first rubber composition is a paste having a solid rubber content of 30 to 50% by weight, and is coated by spreader coating. Method for manufacturing rubber composite thin film.
ってトッピングされることを特徴とする請求項１から３
記載のいずれかのゴム複合薄膜の製造方法。Wherein said second rubber composition from claim 1, characterized in that it is topped by a calendar 3
8. A method for producing a rubber composite thin film according to any one of the above.
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|---|---|---|---|
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000017790A JP3449697B2 (en) | 2000-01-21 | 2000-01-21 | Method for producing rubber composite thin film |
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|---|---|
| JP2001198932A JP2001198932A (en) | 2001-07-24 |
| JP3449697B2 true JP3449697B2 (en) | 2003-09-22 |
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| JP6630513B2 (en) * | 2015-08-05 | 2020-01-15 | 西川ゴム工業株式会社 | Manufacturing method of vibration damping rubber sheet |
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