JPH032287A - Two-pack epoxy lining material - Google Patents
Two-pack epoxy lining materialInfo
- Publication number
- JPH032287A JPH032287A JP13654789A JP13654789A JPH032287A JP H032287 A JPH032287 A JP H032287A JP 13654789 A JP13654789 A JP 13654789A JP 13654789 A JP13654789 A JP 13654789A JP H032287 A JPH032287 A JP H032287A
- Authority
- JP
- Japan
- Prior art keywords
- type
- lining material
- epoxy resin
- bisphenol
- polyamine
- 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
Links
- 239000000463 material Substances 0.000 title claims abstract description 14
- 239000004593 Epoxy Substances 0.000 title claims description 10
- 239000003822 epoxy resin Substances 0.000 claims abstract description 13
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 8
- VUQUOGPMUUJORT-UHFFFAOYSA-N methyl 4-methylbenzenesulfonate Chemical compound COS(=O)(=O)C1=CC=C(C)C=C1 VUQUOGPMUUJORT-UHFFFAOYSA-N 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 19
- 229920000768 polyamine Polymers 0.000 abstract description 10
- 125000001931 aliphatic group Chemical group 0.000 abstract description 7
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract description 7
- 125000002723 alicyclic group Chemical group 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 229920003986 novolac Polymers 0.000 abstract description 2
- 229930185605 Bisphenol Natural products 0.000 abstract 2
- 238000013329 compounding Methods 0.000 abstract 1
- 230000001747 exhibiting effect Effects 0.000 abstract 1
- 239000004848 polyfunctional curative Substances 0.000 abstract 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000002075 main ingredient Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000004841 bisphenol A epoxy resin Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000012476 oxidizable substance Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- -1 urethane modified bisphenol Chemical class 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Paints Or Removers (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は２液エポキシ系ライニング材、更に詳しくは、
主剤成分のエポキシ樹脂に特定の硬化促進剤を加えたこ
とにより、硬化時間の短縮を図ると共に水質特性に悪影
響を及ぼさない、水道管やガス管の２液エポキシ系ライ
ニング材に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a two-component epoxy lining material, more specifically,
This invention relates to a two-component epoxy lining material for water pipes and gas pipes that shortens the curing time and does not adversely affect water quality characteristics by adding a specific curing accelerator to the epoxy resin as the main component.
従来技術と発明が解決しようとする課題地中に埋設され
る水道管やガス管は、長年月の使用に伴い管内の錆瘤や
腐蝕孔が発生する。特に水道管では赤水の発生、出水不
良、送水能力の低下といった事態を招き、こめことは社
会問題の一つとして取上げられている。Problems to be Solved by the Prior Art and the Invention When water pipes and gas pipes are buried underground, rust bumps and corrosion holes occur inside the pipes after years of use. In particular, water pipes can cause situations such as red water, poor water flow, and decreased water delivery capacity, and water pipes have been raised as a social problem.
そこで、従来より、このように老化した埋設管の更生法
として、錆瘤を研削し、クリーニングした後に、たとえ
ば反応性２液混合型のライニング材として、エポキシ樹
脂と硬化剤から成る２液エポキシ系ライニング材が塗装
されている。しかし、かかる更生法にあって、工事開始
から終了まで通常約８時間以内で行う必要がある。ライ
ニング材の塗布、硬化、水洗および通水まで２〜３時間
程度しかなく、それ故、ライニング材に対し、硬化時間
の短縮と水質に悪影響を及ぼさない（水質特性が良い）
ことが求められている。Therefore, conventionally, as a rehabilitation method for buried pipes that have aged in this way, after grinding and cleaning the rust lumps, for example, a two-component epoxy system consisting of an epoxy resin and a hardening agent is used as a reactive two-component mixed lining material. The lining material is painted. However, under the Rehabilitation Act, construction work must normally be completed within about eight hours from start to finish. It only takes about 2 to 3 hours to apply, harden, wash, and pass water through the lining material, which shortens the curing time and does not adversely affect water quality (good water quality properties).
That is what is required.
本発明者らは、この要求に合った２液エポキシ系ライニ
ング材について鋭意研究を進めた結果、主剤成分のエポ
キシ樹脂に対し特定の硬化促進剤を一定量加えることに
より、硬化時間の短縮および水質特性の両方を満足する
ことを見出し、本発明を完成させるに至った。As a result of intensive research into two-component epoxy lining materials that meet these requirements, the inventors of the present invention discovered that by adding a certain amount of a specific curing accelerator to the epoxy resin as the main ingredient, they were able to shorten the curing time and improve water quality. It was discovered that both of the characteristics were satisfied, and the present invention was completed.
発明の構成と効果
すなわち、本発明は、エポキシ樹脂と硬化剤から成る２
液エポキシ系ライニング材において、エポキシ樹脂に対
し１〜１０％（重量％、以下同様）のｐ−トルエンスル
ホン酸メチルを添加したことを特徴とする２液エポキシ
系ライニング材を提供するものである。Structure and Effects of the Invention That is, the present invention provides two
The present invention provides a two-component epoxy lining material, characterized in that methyl p-toluenesulfonate is added in an amount of 1 to 10% (by weight, hereinafter the same) based on the epoxy resin.
本発明における主剤成分のエポキシ樹脂としては、通常
のビスフェノールＡ型、ビスフェノールＦ型、ウレタン
変性ビスフェノール型、臭素化ビスフェノール型、ノボ
ラック型、脂肪族型、脂環族型のエポキシ樹脂が使用さ
れてよく、重重液状が好ましい。固形のものについては
液状のものと併用すればよい。As the epoxy resin as the main component in the present invention, ordinary bisphenol A type, bisphenol F type, urethane modified bisphenol type, brominated bisphenol type, novolac type, aliphatic type, and alicyclic type epoxy resin may be used. , heavy liquid form is preferred. Solid ones may be used in combination with liquid ones.
本発明における硬化剤としては、脂肪族ポリアミン、指
環式ポリアミン、チオ尿素変性ポリアミン、変性脂肪族
ポリアミン等が適当である。なお、この外にも芳香族ポ
リアミンがあるが、これは発癌性の懸念が指摘されてお
り、好ましくない。Suitable curing agents in the present invention include aliphatic polyamines, cyclic polyamines, thiourea-modified polyamines, and modified aliphatic polyamines. In addition to these, there are aromatic polyamines, but these are not preferred as they have been pointed out to be carcinogenic.
本発明において用いるｐ−トルエンスルホン酸メチルの
使用量は、上記エポキシ樹脂に対し１〜１０％、好まし
くは３〜７％の範囲で選定する。The amount of methyl p-toluenesulfonate used in the present invention is selected in the range of 1 to 10%, preferably 3 to 7%, based on the epoxy resin.
１％未満では、所望の硬化促進が得られず、また１０％
を越えると、硬化促進効果は緩慢になり、水質特性の１
つとして、水中の被酸化性物質によって消費される過マ
ンガン酸カリウム（ＫＭｎＯ，）の消費量が増大する傾
向となる。If it is less than 1%, the desired curing acceleration cannot be obtained, and if it is less than 10%
If it exceeds 1, the curing accelerating effect becomes slow and the water quality
As a first step, the amount of potassium permanganate (KMnO,) consumed by oxidizable substances in water tends to increase.
本発明に係る２液エポキシ系ライニング材は、上述の１
）−）ルエンスルホン酸メチルを添加したエポキシ樹脂
主剤と硬化剤とで構成され、さらに必要に応じて、主剤
と硬化剤の一方または両方に通常の充填材（炭酸カルシ
ウム、クレー、タルク、コロイダルシリカ、硫酸バリウ
ム、酸化チタンなど）、可塑剤、希釈剤、消泡剤等の添
加剤等を適量加えてもよい。The two-component epoxy lining material according to the present invention includes the above-mentioned 1
)-) Composed of an epoxy resin base resin containing methyl luenesulfonate and a curing agent, and if necessary, one or both of the base resin and the curing agent may contain ordinary fillers (calcium carbonate, clay, talc, colloidal silica). , barium sulfate, titanium oxide, etc.), plasticizers, diluents, antifoaming agents, and other additives may be added in appropriate amounts.
次に実施例および比較例を挙げて、本発明をより具体的
に説明する。Next, the present invention will be explained in more detail with reference to Examples and Comparative Examples.
実施例１〜３および比較例１〜６
下記表１に示す重量部数の各成分を混合して、主剤成分
と硬化剤成分を調製する。Examples 1 to 3 and Comparative Examples 1 to 6 Each component in the weight parts shown in Table 1 below is mixed to prepare a main ingredient component and a curing agent component.
次に主剤成分と硬化剤成分を２液混合し、て、２液エポ
キシ系ライニング材を得、これを直ちに鋼板に１ｍｍ厚
で塗布し、ＪＩＳ Ｋ−５４００に準拠して、２０℃
における硬化乾燥性を評価する（測定時間１分）。一方
、同様にガラス板にｌｆｆ１ｍ厚で塗布したものを２０
℃×１２０分で硬化せし２めた後、２０°Ｃで３０分の
流水洗浄を行い、次いで蒸留水に２４時間浸漬せしめ、
ＪＷＷＡ Ｋ−１１５に準拠して水質特性を評価する
（ＫＭｎＯ，消費Ｌｐｐｍ）。これらの結果を表１に併
記する。Next, the main component and the curing agent component are mixed together to obtain a two-component epoxy lining material, which is immediately applied to a steel plate to a thickness of 1 mm and heated at 20°C in accordance with JIS K-5400.
Evaluate the curing and drying properties (measurement time: 1 minute). On the other hand, 20 ml of lff 1 m thick was applied to a glass plate in the same way.
After curing at ℃ x 120 minutes, washing with running water for 30 minutes at 20℃, then immersing in distilled water for 24 hours,
Evaluate water quality characteristics in accordance with JWWA K-115 (KMnO, consumption Lppm). These results are also listed in Table 1.
表１
注■ シェル化学社製のビスフェノールＡ型エポキシ樹
脂
■ 炭酸カルシウムに少量の硫酸バリウムを加えたもの
■ 東亜合成化学（株）社製のアクリルオリゴマ■ 旭
電化工業（株）社製の脂肪族ポリアミン■ エイ・シー
・アイ・ジャパン（株）社製の３級アミンTable 1 Note ■ Bisphenol A epoxy resin manufactured by Shell Chemical ■ Calcium carbonate with a small amount of barium sulfate ■ Acrylic oligomer manufactured by Toagosei Chemical Co., Ltd. ■ Aliphatic manufactured by Asahi Denka Kogyo Co., Ltd. Polyamine■ Tertiary amine manufactured by ACI Japan Co., Ltd.
Claims (1)
ニング材において、エポキシ樹脂に対し１〜１０重量％
のｐ−トルエンスルホン酸メチルを添加したことを特徴
とする２液エポキシ系ライニング材。1. In a two-component epoxy lining material consisting of an epoxy resin and a curing agent, 1 to 10% by weight based on the epoxy resin.
A two-component epoxy lining material characterized by adding methyl p-toluenesulfonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13654789A JPH032287A (en) | 1989-05-30 | 1989-05-30 | Two-pack epoxy lining material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13654789A JPH032287A (en) | 1989-05-30 | 1989-05-30 | Two-pack epoxy lining material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH032287A true JPH032287A (en) | 1991-01-08 |
Family
ID=15177761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13654789A Pending JPH032287A (en) | 1989-05-30 | 1989-05-30 | Two-pack epoxy lining material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032287A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0736053A4 (en) * | 1993-12-24 | 1997-04-16 | Dow Chemical Co | KINETICALLY CONTROLLED -i(IN-SITU) GENERATION OF CATALYTIC SPECIES FOR THE CURING OF EPOXY/AMINE COMPOSITIONS |
| US5688877A (en) * | 1993-12-24 | 1997-11-18 | The Dow Chemical Company | Kinetically controlled in-situ generation of catalytic species for the curing of epoxy/amine compositions |
| JP2007126627A (en) * | 2005-10-04 | 2007-05-24 | Mitsubishi Gas Chem Co Inc | Gas barrier resin composition, paint and adhesive |
| KR100768906B1 (en) * | 2006-01-23 | 2007-10-26 | 주식회사 구마건설 | Modified epoxy resin composition for conduit repair and reinforcement |
| US20150329738A1 (en) * | 2012-12-14 | 2015-11-19 | Blue Cube Ip Llc | Modified epoxy resins |
-
1989
- 1989-05-30 JP JP13654789A patent/JPH032287A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0736053A4 (en) * | 1993-12-24 | 1997-04-16 | Dow Chemical Co | KINETICALLY CONTROLLED -i(IN-SITU) GENERATION OF CATALYTIC SPECIES FOR THE CURING OF EPOXY/AMINE COMPOSITIONS |
| US5688877A (en) * | 1993-12-24 | 1997-11-18 | The Dow Chemical Company | Kinetically controlled in-situ generation of catalytic species for the curing of epoxy/amine compositions |
| JP2007126627A (en) * | 2005-10-04 | 2007-05-24 | Mitsubishi Gas Chem Co Inc | Gas barrier resin composition, paint and adhesive |
| KR100768906B1 (en) * | 2006-01-23 | 2007-10-26 | 주식회사 구마건설 | Modified epoxy resin composition for conduit repair and reinforcement |
| US20150329738A1 (en) * | 2012-12-14 | 2015-11-19 | Blue Cube Ip Llc | Modified epoxy resins |
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