JP2002265731A - Environment-protecting fluororubber composition - Google Patents
Environment-protecting fluororubber compositionInfo
- Publication number
- JP2002265731A JP2002265731A JP2001072004A JP2001072004A JP2002265731A JP 2002265731 A JP2002265731 A JP 2002265731A JP 2001072004 A JP2001072004 A JP 2001072004A JP 2001072004 A JP2001072004 A JP 2001072004A JP 2002265731 A JP2002265731 A JP 2002265731A
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- JP
- Japan
- Prior art keywords
- acid acceptor
- weight
- composition
- parts
- rubber
- 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.)
- Pending
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は環境保護ＦＫＭ（フッ素
ゴム：以下同じ）組成物、さらに詳細には環境汚染物質
である鉛化合物を発生せず、かつ良好なゴム特性を有す
る環境保護ＦＫＭ組成物に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an environmental protection FKM (fluororubber: the same applies hereinafter) composition, and more particularly, to an environmental protection FKM composition which does not generate lead compounds which are environmental pollutants and has good rubber properties. About things.
【０００２】[0002]
【従来技術及び問題点】近年、地球環境の保護への関心
が高まり、世界的に環境汚染化学物質の使用規制が厳し
くなってきている。このような環境汚染物質の一つとし
鉛化合物が挙げられている。この鉛化合物はＦＫＭゴム
組成物中へ添加される受酸剤より発生することが知られ
ている。前記受酸剤は、ゴム組成物中の酸素を除去し
て、ゴム特性を良好にするため、必要な添加剤であり、
鉛化合物を発生させない受酸剤の選択及びその受酸剤を
使用して、従来と同様なゴム特性が得られるＦＫＭゴム
組成物が希求されている。特に、自動車などの工業部品
(たとえば、Ｏ−リング、ホース、燃料ポンプのダイヤ
フラム、その他のダイヤフラム）に使用されるゴムは、
性能要求が厳しく、最上のゴム特性が要求されるととも
に、鉛化合物などの環境汚染物質を排出しないことが要
求されるようになってきている。2. Description of the Related Art In recent years, interest in protecting the global environment has been increasing, and the use of environmental pollutants has become stricter worldwide. Lead compounds are mentioned as one of such environmental pollutants. This lead compound is known to be generated from an acid acceptor added to the FKM rubber composition. The acid acceptor is a necessary additive for removing oxygen in the rubber composition and improving rubber properties,
There is a need for an FKM rubber composition that can select the acid acceptor that does not generate a lead compound and that uses the acid acceptor to provide the same rubber properties as conventional ones. In particular, industrial parts such as automobiles
(Eg, O-rings, hoses, diaphragms for fuel pumps, other diaphragms)
Performance requirements are strict, and the best rubber properties are required. In addition, it is required not to emit environmental pollutants such as lead compounds.
【０００３】本発明は、上述の問題点に鑑みなされたも
のであり、特に受酸剤に着目して、鉛化合物を発生しな
い受酸剤を使用して、従来と同等のゴム特性を発揮する
環境保護ＦＫＭ組成物を提供することを目的とする。[0003] The present invention has been made in view of the above-mentioned problems. Particularly, attention is paid to an acid acceptor, and a rubber compound equivalent to the conventional one is exhibited by using an acid acceptor that does not generate a lead compound. It is intended to provide an environmental protection FKM composition.
【０００４】[0004]
【問題点を解決するための手段】上記目的を達成するた
め、本発明による環境保護ＦＫＭ組成物は、フッ素ゴム
組成物の受酸剤として、フッ素ゴム組成物のゴム分１０
０重量部に対し、１〜２０重量部のマグネシウム・アル
ミニウム・ハイドロオキサイドカーボネート・ハイドレ
ートと１〜１０重量部の水酸化カルシウムを添加するこ
とを特徴とする。Means for Solving the Problems In order to achieve the above object, an environmental protection FKM composition according to the present invention is used as an acid acceptor for a fluororubber composition.
It is characterized in that 1 to 20 parts by weight of magnesium aluminum hydroxide carbonate hydrate and 1 to 10 parts by weight of calcium hydroxide are added to 0 parts by weight.
【０００５】本発明によれば、受酸剤として鉛化合物で
はないマグネシウム・アルミニウム・ハイドロオキサイ
ドカーボネート・ハイドレートと水酸化カルシウムを使
用し、かつ鉛化合物を使用していないため、有害な鉛化
合物を生じさせず、かつゴム特性が低下しないという利
点がある。According to the present invention, since magnesium / aluminum hydroxide carbonate hydrate and calcium hydroxide which are not lead compounds are used as the acid acceptor and no lead compound is used, harmful lead compounds are eliminated. There is an advantage that it does not occur and rubber characteristics do not decrease.
【０００６】本発明をさらに詳しく説明すると、本発明
の基材として使用されるＦＫＭ組成物は、ＦＫＭに対
し、プロセスオイル、老化防止剤、可塑剤、カーボンブ
ラック、酸化亜鉛などの充填剤などを添加することがで
きる。このような添加剤の一種として、受酸剤が知られ
ているが、従来、ゴム特性が良好になることから、二塩
基性亜リン酸鉛が使用されていた。二塩基性亜リン酸鉛
は、鉛化合物だけでは、リン酸化合物を発生する恐れが
あり、二重の意味で環境汚染物質となっている。本発明
においては、このような二塩基性亜リン酸鉛を使用せ
ず、マグネシウム・アルミニウム・ハイドロオキサイド
カーボネート・ハイドレートと水酸化カルシウムを使用
している。本発明者は環境汚染物質ではないマグネシウ
ム・アルミニウム・ハイドロオキサイドカーボネート・
ハイドレートがＦＫＭ組成物において、良好な受酸剤に
なり、尚かつ水酸化カルシウムにより、加硫時に発生す
るフッ酸及び炭酸ガスを除去し、良好なゴムになること
を見いだした。The present invention will be described in more detail. The FKM composition used as the base material of the present invention comprises a process oil, an antioxidant, a plasticizer, a filler such as carbon black, zinc oxide, and the like. Can be added. As one type of such an additive, an acid acceptor is known, but dibasic lead phosphite has conventionally been used because rubber properties are improved. Dibasic lead phosphite may generate a phosphoric acid compound by using a lead compound alone, and is an environmental pollutant in a double sense. In the present invention, such a dibasic lead phosphite is not used, but magnesium aluminum hydroxide carbonate hydrate and calcium hydroxide are used. The present inventor has identified that magnesium, aluminum, and hydroxide carbonates, which are not environmental pollutants,
It has been found that hydrate is a good acid acceptor in the FKM composition, and furthermore, hydrofluoric acid and carbon dioxide gas generated during vulcanization are removed by calcium hydroxide to form a good rubber.
【０００７】このようなマグネシウム・アルミニウム・
ハイドロオキサイドカーボネート・ハイドレートは、Ｆ
ＫＭのゴム分１００重量部に対し、１〜２０重量部添加
し、水酸化カルシウムは１〜１０重量部添加するのがよ
い。マグネシウム・アルミニウム・ハイドロオキサイド
カーボネート・ハイドレートの添加量が１重量部未満で
あると、ＦＫＭ中の酸素が充分に除去できない恐れがあ
り、一方、２０重量部を超えると、ゴムの特性を損なう
恐れがあるからである。水酸化カルシウムが１重量部未
満であると、ＦＫＭ中の気泡が充分に除去できない恐れ
があり、一方、１０重量部を超えると、加工助剤的な作
用を生じ、ゴムが硬くなり、ゴムの特性を損なう恐れが
あるからである。[0007] Such magnesium aluminum
Hydroxide carbonate hydrate is F
It is preferable to add 1 to 20 parts by weight and 1 to 10 parts by weight of calcium hydroxide based on 100 parts by weight of the rubber component of KM. If the amount of magnesium / aluminum / hydroxide carbonate / hydrate is less than 1 part by weight, oxygen in the FKM may not be sufficiently removed, while if it exceeds 20 parts by weight, the properties of the rubber may be impaired. Because there is. If the amount of calcium hydroxide is less than 1 part by weight, air bubbles in the FKM may not be sufficiently removed. On the other hand, if the amount exceeds 10 parts by weight, a function as a processing aid occurs, and the rubber becomes hard and the rubber is hardened. This is because the characteristics may be impaired.
【０００８】本発明による加硫系は、加硫剤としてアミ
ン系加硫剤を使用している。たとえば、ヘキサメチレン
ジアミンカルバメートを使用することができる。加硫剤
は、ＦＫＭのゴム分１００重量部に対し、０．１〜２重
量部添加するのがよい。０．１重量部未満であると、Ｆ
ＫＭが充分に加硫しない恐れがあり、一方、２重量部を
超えると、フッ酸ガス・炭酸ガス等が取りきれず発泡ゴ
ムになるという欠点を生じる恐れがある。[0008] The vulcanizing system according to the present invention uses an amine vulcanizing agent as a vulcanizing agent. For example, hexamethylene diamine carbamate can be used. The vulcanizing agent is preferably added in an amount of 0.1 to 2 parts by weight based on 100 parts by weight of the rubber component of FKM. If it is less than 0.1 part by weight, F
KM may not be sufficiently vulcanized. On the other hand, if it exceeds 2 parts by weight, hydrofluoric acid gas, carbon dioxide gas or the like may not be completely removed, resulting in a foam rubber.
【０００９】以下本発明の実施例について説明する。An embodiment of the present invention will be described below.
【００１０】[0010]
【実施例】下記の表に示す組成物を用意し、加硫後にゴ
ム特性を測定した。 配合系 実施例 比較例 ＦＫＭ １００ １００ シリコーンオイル １．０ １．０ 酸化亜鉛 １０ １０ ＩＳＡＦカーボン ４ ４ 有機シリコーン化合物 １ １ 二塩基性亜リン酸鉛 − １０ マグネシウム・アルミニウム・ ハイドロオキサイドカーボネート・ハイドレート １０ − 水酸化カルシウム ２ − 加硫系 加硫剤 （ヘキサメチレンジアミンカルバメート） １ １ (重量部）EXAMPLES The compositions shown in the following table were prepared, and rubber properties were measured after vulcanization. Formulation Example Comparative Example FKM 100 100 Silicone oil 1.0 1.0 Zinc oxide 10 10 ISAF carbon 44 Organic silicone compound 11 Dibasic lead phosphite -10 Magnesium aluminum hydroxide carbonate hydrate 10 -Calcium hydroxide 2-Vulcanizing system Vulcanizing agent (hexamethylenediamine carbamate) 11 (parts by weight)
【００１１】上述のような組成の実施例及び比較例の組
成物の配合系に、加硫剤ヘキサメチレンジアミンカルバ
メート １重量部を添加し、加硫してＦＫＭを製造し、
両者のゴム特性を測定した。結果を下記の表１に示す。1 part by weight of a vulcanizing agent hexamethylenediamine carbamate was added to the compounding system of the compositions of Examples and Comparative Examples having the above-mentioned compositions and vulcanized to produce FKM.
The rubber properties of both were measured. The results are shown in Table 1 below.
【００１２】[0012]
【表１】 [Table 1]
【００１３】上記のように、本発明によれば、鉛化合物
を使用していないため、鉛化合物は全く発生しない。As described above, according to the present invention, no lead compound is generated because no lead compound is used.
【００１４】上述の表１より明らかなように、本発明に
よる環境保護ＦＫＭ組成物によれば、従来とほぼ同等の
ゴム特性を備え、しかも有害な鉛化合物を発生しないと
いう利点がある。As is clear from Table 1 above, the environmentally-friendly FKM composition according to the present invention has an advantage that it has almost the same rubber properties as before and does not generate harmful lead compounds.
【００１５】[0015]
【発明の効果】以上説明したように、本発明によれば、
受酸剤として鉛化合物ではないマグネシウム・アルミニ
ウム・ハイドロオキサイドカーボネート・ハイドレート
と水酸化カルシウムを使用し、かつ鉛化合物を使用して
いないため、有害な鉛化合物を生じさせず、かつゴム特
性が低下しないという利点がある。As described above, according to the present invention,
Uses magnesium / aluminum / hydroxide carbonate / hydrate and calcium hydroxide, which are not lead compounds, as the acid acceptor, and does not use lead compounds. There is an advantage that it does not.
Claims (2)
素ゴム組成物のゴム分１００重量部に対し、１〜２０重
量部のマグネシウム・アルミニウム・ハイドロオキサイ
ドカーボネート・ハイドレートと１〜１０重量部の水酸
化カルシウムを添加することを特徴とする環境保護フッ
素ゴム組成物。1. As an acid acceptor of a fluororubber composition, 1 to 20 parts by weight of magnesium aluminum hydroxide carbonate hydrate and 1 to 10 parts by weight per 100 parts by weight of a rubber component of a fluororubber composition. An environmentally-friendly fluororubber composition comprising the addition of calcium hydroxide.
ないことを特徴とする請求項１記載の環境保護フッ素ゴ
ム組成物。2. The environmentally-friendly fluororubber composition according to claim 1, wherein a dibasic lead phosphate is not used as the acid acceptor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001072004A JP2002265731A (en) | 2001-03-14 | 2001-03-14 | Environment-protecting fluororubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001072004A JP2002265731A (en) | 2001-03-14 | 2001-03-14 | Environment-protecting fluororubber composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002265731A true JP2002265731A (en) | 2002-09-18 |
Family
ID=18929648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001072004A Pending JP2002265731A (en) | 2001-03-14 | 2001-03-14 | Environment-protecting fluororubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2002265731A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004067618A1 (en) * | 2003-01-21 | 2004-08-12 | 3M Innovative Properties Company | Fuel management system comprising a fluoroelastomer layer having a hydrotalcite compound |
| CN101875750A (en) * | 2010-07-27 | 2010-11-03 | 中昊晨光化工研究院 | Low compression and permanent deformation fluororubber compounded rubber and preparation method thereof |
| JP2014517080A (en) * | 2011-08-25 | 2014-07-17 | ダイキン工業株式会社 | Diaphragm |
-
2001
- 2001-03-14 JP JP2001072004A patent/JP2002265731A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004067618A1 (en) * | 2003-01-21 | 2004-08-12 | 3M Innovative Properties Company | Fuel management system comprising a fluoroelastomer layer having a hydrotalcite compound |
| US7431991B2 (en) | 2003-01-21 | 2008-10-07 | 3M Innovative Properties Company | Fuel management system comprising a fluoroelastomer layer having a hydrotalcite compound |
| CN101875750A (en) * | 2010-07-27 | 2010-11-03 | 中昊晨光化工研究院 | Low compression and permanent deformation fluororubber compounded rubber and preparation method thereof |
| JP2014517080A (en) * | 2011-08-25 | 2014-07-17 | ダイキン工業株式会社 | Diaphragm |
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