JPH01111052A - Glass fiber nonwoven fabric - Google Patents
Glass fiber nonwoven fabricInfo
- Publication number
- JPH01111052A JPH01111052A JP62141810A JP14181087A JPH01111052A JP H01111052 A JPH01111052 A JP H01111052A JP 62141810 A JP62141810 A JP 62141810A JP 14181087 A JP14181087 A JP 14181087A JP H01111052 A JPH01111052 A JP H01111052A
- Authority
- JP
- Japan
- Prior art keywords
- nonwoven fabric
- acid
- glass fiber
- glass
- glass fibers
- 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.)
- Granted
Links
- 239000003365 glass fiber Substances 0.000 title claims abstract description 52
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 32
- 239000002253 acid Substances 0.000 claims abstract description 11
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 239000011347 resin Substances 0.000 claims abstract description 9
- 239000011230 binding agent Substances 0.000 claims abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims abstract description 3
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 3
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 3
- 239000011521 glass Substances 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 abstract description 21
- 239000006260 foam Substances 0.000 abstract description 14
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 229920001568 phenolic resin Polymers 0.000 description 16
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 description 15
- 239000000835 fiber Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000012783 reinforcing fiber Substances 0.000 description 7
- 238000004513 sizing Methods 0.000 description 5
- 238000005187 foaming Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 1
- JIRHAGAOHOYLNO-UHFFFAOYSA-N (3-cyclopentyloxy-4-methoxyphenyl)methanol Chemical compound COC1=CC=C(CO)C=C1OC1CCCC1 JIRHAGAOHOYLNO-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 229940044654 phenolsulfonic acid Drugs 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Landscapes
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
- Fireproofing Substances (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はガラス繊維不織布に関し、詳しくは酸硬化性
フェノール樹脂発泡体の補強用として用いられるガラス
繊維不織布に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a glass fiber nonwoven fabric, and more particularly to a glass fiber nonwoven fabric used for reinforcing acid-curable phenolic resin foam.
従来、酸硬化性フェノール樹脂発泡体より成る建材等が
耐火性、断熱性および軽量化に優れるとして広く使用さ
れている。BACKGROUND ART Conventionally, building materials made of acid-curable phenolic resin foams have been widely used because of their excellent fire resistance, heat insulation properties, and lightweight properties.
ところで、酸硬化性フェノール樹脂発泡体の補強用繊維
としてガラス繊維不織布を用いる場合、ガラス繊維とし
て、−船釣にＥ種ガラス繊維が安価であることより多用
されるが、Ｅ種ガラス繊維を使用した場合、酸硬化性フ
ェノール樹脂発泡体の硬化が阻害され、いつまでも未硬
化の状態のままとなることがあった。By the way, when glass fiber nonwoven fabric is used as a reinforcing fiber for acid-curable phenolic resin foam, E-class glass fiber is often used for boat fishing because it is inexpensive. In this case, the curing of the acid-curable phenolic resin foam may be inhibited and may remain in an uncured state indefinitely.
この未硬化の現象は必ず生じるといったものではなく、
同じＥ種のガラス繊維であっても生じない場合もあるが
、いずれにせよ係る現象が生じる以上、これら成形品の
品質管理ないしは品質維持に非常な注意を要し、製造が
困難となる問題があった。This uncured phenomenon does not necessarily occur;
This may not occur even if the glass fiber of the same type E is used, but in any case, as this phenomenon occurs, great care must be taken to control or maintain the quality of these molded products, and there is a problem that makes manufacturing difficult. there were.
もっとも、本発明者らの実験によれば上記８種ガラス繊
維以外の０種ガラス繊維、ＡＲ種ガラス繊維、炭素繊維
あるいはその他の耐酸性繊維を補強用繊維として使用す
れば上述のような酸硬化フェノール樹脂の未硬化の現象
は全く生じず、品質上の問題は完全に解決されるのであ
るが、これらの繊維はＥ種ガラス繊維に比べ比較的高価
であり、コスト的に不利となる問題があった。However, according to the experiments of the present inventors, if type 0 glass fiber, AR type glass fiber, carbon fiber, or other acid-resistant fibers other than the above-mentioned type 8 glass fibers are used as reinforcing fibers, acid curing as described above will occur. The phenomenon of uncured phenolic resin does not occur at all, and the quality problem is completely solved, but these fibers are relatively expensive compared to class E glass fibers, and there is a cost disadvantage. there were.
この発明は上記問題点に鑑み、安価なＥ種ガラス繊維を
補強用繊維として使用しても、酸硬化フェノール樹脂の
不均一な未硬化反応が全く生じないガラス繊維不織布を
得ることを目的として成されたものである。In view of the above-mentioned problems, this invention was created with the aim of obtaining a glass fiber nonwoven fabric that does not cause any uneven uncured reaction of acid-cured phenol resin even when inexpensive class E glass fibers are used as reinforcing fibers. It is what was done.
即ち、この発明のガラス繊維不織布は不織布を構成する
ガラス繊維が、表面を耐酸性樹脂で被覆したＥ種ガラス
繊維とされてなることを特徴とするものである。〔作用
〕
酸硬化型発泡フェノール樹脂の補強繊維としてＥ種ガラ
ス繊維を使用すると、上記フェノール樹脂の硬化剤であ
るスルフォン酸、例えばフェノールスルフォン酸、パラ
トルエンスルフォン酸あるいはキシレンスルフォン酸に
よりＥ種ガラス繊維が浸蝕され、ガラス組成分中から溶
出したある種の成分が、フェノール樹脂の硬化を阻害し
ていることが本発明者等の実験により確認された。That is, the glass fiber nonwoven fabric of the present invention is characterized in that the glass fibers constituting the nonwoven fabric are E class glass fibers whose surfaces are coated with an acid-resistant resin. [Function] When class E glass fibers are used as reinforcing fibers for acid-curable foamed phenolic resin, the class E glass fibers are cured by sulfonic acid, which is a curing agent for the phenolic resin, such as phenol sulfonic acid, paratoluene sulfonic acid, or xylene sulfonic acid. It has been confirmed through experiments by the present inventors that certain components eluted from the glass composition inhibit the curing of the phenol resin.
従って、ガラス繊維不織布として、ガラス繊維を上記硬
化剤から遮断するよう皮膜等を設ければ、例えＥ種ガラ
ス繊維であっても安全に補強繊維として適用可能となる
。Therefore, if a film or the like is provided to shield the glass fibers from the curing agent as a glass fiber nonwoven fabric, even class E glass fibers can be safely used as reinforcing fibers.
この皮膜としては、当然耐酸性を有することが必要であ
るが、これら皮膜としてはエポキシ樹脂等の安価な樹脂
が使用可能である。This film naturally needs to have acid resistance, but inexpensive resins such as epoxy resins can be used for these films.
また、この発明のガラス繊維不織布は、湿式法、乾式法
のいずれの製法により製造したものであっても良い。Further, the glass fiber nonwoven fabric of the present invention may be manufactured by either a wet method or a dry method.
なお、本願発明のガラス繊維不織布を製造するに当たっ
ては、耐酸性かあ、す、かつ非水溶性の樹脂をＥ種ガラ
ス繊維の収束剤として用い、この収束剤でガラスフィラ
メントを収束すると同時に皮膜を形成し、このガラス繊
維により不織布を常法により製造すれば良い。In producing the glass fiber nonwoven fabric of the present invention, an acid-resistant glass and water-insoluble resin is used as a binding agent for class E glass fibers, and at the same time the glass filaments are bundled with this binding agent and a film is formed. A nonwoven fabric may be manufactured using the glass fibers by a conventional method.
なお、上記収束剤の使用量はガラス繊維に対し、 −
０，０１〜５重量％が適当である。In addition, the usage amount of the above-mentioned sizing agent is −
0.01 to 5% by weight is suitable.
この理由は０．０１重量％未満では、ガラス繊維の表面
に完全な皮膜が形成されに＜＜、逆に５％より多くなる
と例えば湿式法による場合など繊維の分散性が非常に悪
化し均質な不織布を製造することが不可能となるからで
ある。The reason for this is that if it is less than 0.01% by weight, a complete film will not be formed on the surface of the glass fibers, whereas if it is more than 5%, the dispersibility of the fibers will be very poor and the fibers will not be homogeneous, for example when using a wet method. This is because it becomes impossible to manufacture nonwoven fabric.
また、ガラス繊維については、繊維長が６ｆｉ以上好ま
しくはＩｏｔｍ以上で６０ｍ以下のものが適し、繊維径
は３μ以上好ましくは９μ以上のものが適する。Regarding glass fibers, those having a fiber length of 6 fi or more, preferably Iotm or more and 60 m or less are suitable, and fiber diameters of 3 μ or more, preferably 9 μ or more are suitable.
さらに、ガラス繊維不織布を製造する際の結合剤は特に
非水溶性熱可塑性樹脂が好ましく、フェノール発泡樹脂
の補強繊維として考えた場合、その看は重量％で１〜１
）％とすることが適正である。Furthermore, the binder used in manufacturing the glass fiber nonwoven fabric is particularly preferably a water-insoluble thermoplastic resin, and when considered as a reinforcing fiber for the phenol foam resin, its value is 1 to 1% by weight.
)% is appropriate.
１％未満では生産ラインに供給し得る充分な強度が付与
出来ず、１）％より多いと発泡体としての十分な補強効
果が得られない。If it is less than 1%, sufficient strength cannot be imparted to the production line, and if it is more than 1%, a sufficient reinforcing effect as a foam cannot be obtained.
つぎにこの発明の詳細な説明する。 Next, this invention will be explained in detail.
（実施例１）
エポキシ系収束剤を０．５％付着させた繊維径１３μ、
繊維長２５ｍのＥ種ガラス繊維を水に分散させ、抄紙法
によりウェブ化させ、酢酸ビニルのエマルジョン状の結
合剤をガラス繊維不織布全１ｉｆｆｉ比の５％になるよ
うスプレー法にて添加し、乾燥を行い、重１４５０ｇ／
ｉ、厚さ３．５ｆｉのガラス繊維不織布を得た。(Example 1) Fiber diameter 13μ with 0.5% epoxy sizing agent attached,
Class E glass fibers with a fiber length of 25 m are dispersed in water, made into a web using a papermaking method, a binder in the form of an emulsion of vinyl acetate is added using a spray method to a ratio of 5% of the total 1iffi ratio of the glass fiber nonwoven fabric, and dried. and weighed 1450g/
A glass fiber nonwoven fabric having a thickness of 3.5 fi was obtained.
このガラス繊維不織布に、下記配合を基本配合とする酸
硬化型発泡用フェノール樹脂を１５００ ｇ ／ ｒｄ
付着させ、８０℃の加熱により発泡硬化させて５Ｎ厚の
ガラス繊維強化フェノール樹脂発泡体を得た。To this glass fiber nonwoven fabric, 1500 g/rd of acid-curable foaming phenolic resin with the following basic composition was applied.
This was adhered and foamed and cured by heating at 80° C. to obtain a glass fiber reinforced phenolic resin foam with a thickness of 5N.
上記ガラス繊維不織布はフェノール樹脂の硬化を阻害す
ることなく完全に硬化し高強度の発泡体をえることが出
来た。The glass fiber nonwoven fabric was completely cured without inhibiting the curing of the phenol resin, and a high-strength foam could be obtained.
基本配合表
１、酸硬化型発泡用フェノール樹脂 １００重量部２、
整泡剤：非イオン系界面活性剤 １ ＃３、発泡剤：
フレオン ５ 〃４、硬化剤：スルフォ
ン酸 １０〜２０〃（パラトルエンスルフォン酸
）
（実施例２）
エポキシ系収束剤を０．５％付着させた繊維径１３μ、
繊維長２５鶴のＥ種ガラス繊維５０部と、繊維径１３μ
、繊維長２５ｎのでんぷん系収束剤を０．２％付着させ
たＣ種ガラス繊維５０部とを混合して水に分散させ抄紙
法によりウェブ化させ、ＳＢＲラテックスを全重量の６
％になるようスプレー法にて添加し、乾燥を行い、重１
３００ｇ／ｎｆ、厚さ２．３ｍのガラス繊維不織布を得
た。Basic recipe 1, acid-curable foaming phenolic resin 100 parts by weight 2,
Foam stabilizer: Nonionic surfactant 1 #3, Foaming agent:
Freon 5 4, Hardening agent: Sulfonic acid 10-20 (para-toluene sulfonic acid) (Example 2) Fiber diameter 13μ with 0.5% epoxy sizing agent attached,
50 parts of class E glass fiber with a fiber length of 25 mm and a fiber diameter of 13μ
, 50 parts of Class C glass fibers with a fiber length of 25n and 0.2% starch-based sizing agent attached are mixed, dispersed in water, and made into a web using a papermaking method.
% by spray method, dry, and reduce to 1% by weight.
A glass fiber nonwoven fabric having a weight of 300 g/nf and a thickness of 2.3 m was obtained.
このガラス繊維不織布に、既述の基本配合の酸硬化型発
泡用フェノール樹脂を３５００ ｇ ／ ｎ？付着させ
、８０℃の加熱により発泡硬化させて７ｆｌ厚のガラス
繊維強化フェノール樹脂発泡体を得た。To this glass fiber nonwoven fabric, 3500 g/n? of acid-curable foaming phenolic resin of the basic composition described above was added. This was adhered and foamed and cured by heating at 80° C. to obtain a glass fiber reinforced phenolic resin foam with a thickness of 7 fl.
上記ガラス繊維不織布はフェノール樹脂の硬化を阻害す
ることなく完全に硬化し高強度の発泡体を得ることが出
来た。The glass fiber nonwoven fabric was completely cured without inhibiting the curing of the phenol resin, and a high-strength foam could be obtained.
（比較例１）
でんぷん系収束剤を０．１５％付着させた、繊維径１０
μ、繊維長１３鶴のＥ種ガラス繊維を水に分散させ、抄
紙法によりウェブ化させ、ポリビニルアルコールの液状
バインダーを全重量比の５％になるようスプレー法にて
添加し、乾燥を行い重量３００ｇ／ｒＩｒ、厚さ２．３
１のガラス繊維不織布を得た。(Comparative Example 1) Fiber diameter 10 with 0.15% starch-based sizing agent attached
Class E glass fibers with a fiber length of 13 mm are dispersed in water, made into a web using a paper-making method, a liquid binder of polyvinyl alcohol is added using a spray method to make up 5% of the total weight, and dried and weighed. 300g/rIr, thickness 2.3
A glass fiber nonwoven fabric of No. 1 was obtained.
このガラス繊維不織布に既述基本配合の酸硬化型発泡用
フェノール樹脂を３５００ ｇ ／ ｒｄ付着させ、８
０℃の加熱により発泡させたが、硬化は阻害されいつま
でも未硬化のままであった。3,500 g/rd of acid-curable foaming phenolic resin of the basic composition described above was attached to this glass fiber nonwoven fabric, and 8
Although it was foamed by heating at 0° C., curing was inhibited and it remained uncured forever.
この発明は以上説明したようにＥ種ガラス繊維であって
も、酸硬化型フェノール樹脂発泡体の補強繊維として安
全に使用が可能となり、また、酸硬化型フェノール樹脂
への保護皮膜となる耐酸性樹脂も安価であり、かつ、使
用料も少量で済むから繊維補強フェノール樹脂発泡体も
安価に製造出来るなどの効果を有する。As explained above, this invention enables even class E glass fibers to be safely used as reinforcing fibers for acid-curing phenolic resin foams, and also provides acid-resistant properties that serve as a protective film for acid-curing phenolic resins. The resin is also inexpensive and requires only a small amount of usage, so it has the advantage that fiber-reinforced phenolic resin foams can also be produced at low cost.
Claims (3)
脂で被覆したＥ種ガラス繊維とされてなることを特徴と
するガラス繊維不織布。(1) A glass fiber nonwoven fabric characterized in that the glass fibers constituting the nonwoven fabric are E class glass fibers whose surfaces are coated with an acid-resistant resin.
第１項記載のガラス繊維不織布。(2) The glass fiber nonwoven fabric according to claim 1, wherein the acid-resistant resin is an epoxy resin.
許請求の範囲第１項又は第２項記載のガラス不織布。(3) The glass nonwoven fabric according to claim 1 or 2, wherein the binder of the nonwoven fabric is a water-insoluble thermoplastic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62141810A JP2601276B2 (en) | 1987-06-05 | 1987-06-05 | Glass fiber nonwoven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62141810A JP2601276B2 (en) | 1987-06-05 | 1987-06-05 | Glass fiber nonwoven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01111052A true JPH01111052A (en) | 1989-04-27 |
| JP2601276B2 JP2601276B2 (en) | 1997-04-16 |
Family
ID=15300657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62141810A Expired - Lifetime JP2601276B2 (en) | 1987-06-05 | 1987-06-05 | Glass fiber nonwoven |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2601276B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262563A (en) * | 2021-05-14 | 2021-08-17 | 江苏碧博士纺织品有限公司 | Glass fiber bulked filter cloth and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50132266A (en) * | 1974-03-27 | 1975-10-20 | ||
| JPS5199123A (en) * | 1973-07-18 | 1976-09-01 | Fibreglass Ltd | Garasuseniseihinno seizoho |
| JPS57133256A (en) * | 1981-02-04 | 1982-08-17 | Asahi Fibreglass Co | Chopped strand mat made of glass fiber |
| JPS59203738A (en) * | 1983-05-06 | 1984-11-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Binder for glass fiber |
| JPS63235559A (en) * | 1987-03-23 | 1988-09-30 | 日本バイリ−ン株式会社 | Glass fiber mat for reinforcing phenol resin foam |
-
1987
- 1987-06-05 JP JP62141810A patent/JP2601276B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5199123A (en) * | 1973-07-18 | 1976-09-01 | Fibreglass Ltd | Garasuseniseihinno seizoho |
| JPS50132266A (en) * | 1974-03-27 | 1975-10-20 | ||
| JPS57133256A (en) * | 1981-02-04 | 1982-08-17 | Asahi Fibreglass Co | Chopped strand mat made of glass fiber |
| JPS59203738A (en) * | 1983-05-06 | 1984-11-17 | Nippon Shokubai Kagaku Kogyo Co Ltd | Binder for glass fiber |
| JPS63235559A (en) * | 1987-03-23 | 1988-09-30 | 日本バイリ−ン株式会社 | Glass fiber mat for reinforcing phenol resin foam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113262563A (en) * | 2021-05-14 | 2021-08-17 | 江苏碧博士纺织品有限公司 | Glass fiber bulked filter cloth and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2601276B2 (en) | 1997-04-16 |
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