JPH0431344A - Production of glass fiber bundle for reinforcing thermoplastic resin and fiber-reinforced resin - Google Patents
Production of glass fiber bundle for reinforcing thermoplastic resin and fiber-reinforced resinInfo
- Publication number
- JPH0431344A JPH0431344A JP2134046A JP13404690A JPH0431344A JP H0431344 A JPH0431344 A JP H0431344A JP 2134046 A JP2134046 A JP 2134046A JP 13404690 A JP13404690 A JP 13404690A JP H0431344 A JPH0431344 A JP H0431344A
- Authority
- JP
- Japan
- Prior art keywords
- glass fiber
- resin
- additive
- fiber bundle
- main resin
- 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
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Reinforced Plastic Materials (AREA)
- Surface Treatment Of Glass Fibres Or Filaments (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はガラス繊維て補強された熱可塑性樹脂（ＦＲＴ
Ｐ）の製造に有効なガラス繊維束並びにＦＲＴＰの製造
法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention is a thermoplastic resin reinforced with glass fibers (FRT).
The present invention relates to a method for producing glass fiber bundles and FRTP that are effective for producing P).
［従来の技術］
熱可塑性樹脂は電気部品、自動車部品等各種製品の製造
に広く用いられているか、高い強度か要求される場合、
該樹脂中にガラス繊維のような補強繊維を混入したり、
更に補強繊維を混入すべき熱可塑性樹脂中に他の熱可塑
性樹脂を混入して“ポリマーアロイ”を形成させること
か行われている。[Prior Art] Thermoplastic resins are widely used in the manufacture of various products such as electrical parts and automobile parts, and when high strength is required,
By mixing reinforcing fibers such as glass fibers into the resin,
Furthermore, other thermoplastic resins are mixed into the thermoplastic resin into which reinforcing fibers are to be mixed to form a "polymer alloy."
［発明か解決しようとしている課題］
ボッマーアロイとは、主体となる熱可塑性樹脂（主体樹
脂）に主体樹脂の性能 特性を改善するための他の熱可
塑性樹脂（添加樹脂）を均一に混合したものを指称する
ものであり、樹脂としてポリマーアロイを使用するＦＲ
ＴＰは、主体樹脂と添加樹脂を均一に加熱混合してポリ
マーアロイとし、この中に補強繊維を混入し、或はＬ記
二種の樹脂と補強繊維を同時に混合することによって製
造される。[Invention or problem to be solved] Bommer alloy is a mixture of a main thermoplastic resin (main resin) and other thermoplastic resins (additive resins) to improve the performance characteristics of the main resin. FR that uses polymer alloy as the resin
TP is manufactured by uniformly heating and mixing a main resin and an additive resin to form a polymer alloy, and mixing reinforcing fibers into the polymer alloy, or by simultaneously mixing the two types of resins listed in L and reinforcing fibers.
前者の方法によるときは、樹脂を２回（ポリマーアロイ
製造時及びＦＲＴＰ製造時）加熱する必要かあり、余分
の手間を要し、樹脂は２回加熱されるため劣化を受は易
い。When using the former method, it is necessary to heat the resin twice (when producing the polymer alloy and when producing the FRTP), which requires extra effort, and because the resin is heated twice, it is susceptible to deterioration.
後者の方法によるときは、このような難点を生ずること
はないか、その都度樹脂を秤量混合する必要か生し、又
両樹脂の粒径、比重に差かあると両者の混合か均一に行
われず、品質にバラツキを生し易い。If the latter method is used, it may be necessary to weigh and mix the resin each time, and if there is a difference in particle size or specific gravity of the two resins, it may be difficult to mix them uniformly. This tends to lead to variations in quality.
更に、いずれの方法においても主体樹脂の性能を顕著に
改善する為には相当量の添加樹脂を用いる必要かあるか
、多量の添加樹脂を使用すると主体樹脂の他の性能か低
下することかある。Furthermore, in either method, in order to significantly improve the performance of the main resin, it is necessary to use a considerable amount of additive resin, or if a large amount of additive resin is used, other performances of the main resin may deteriorate. .
例えば、ポリカーボネートに耐衝撃剤を添加することに
より、低温時における衝撃強度を向上させることかでき
るか、衝撃強度を顕著に向上させるためには耐衝撃剤の
量を１０ｗｔ％以上とする必要かあり、引張り強度等の
性能か低下してしまう。For example, is it possible to improve the impact strength at low temperatures by adding an impact-resistant agent to polycarbonate, or is it necessary to increase the amount of impact-resistant agent to 10 wt% or more in order to significantly improve the impact strength? , performance such as tensile strength deteriorates.
本発明は、前述した従来技術の問題点を解消し、所望の
性能改善に必要な添加剤の使用量を減少し、均質なＦＲ
ＴＰを容易に製造できるＦＲＴＰの製造法並びに熱可塑
性樹脂補強用ガラス繊維束を提供することを目的とする
ものである。The present invention solves the problems of the prior art described above, reduces the amount of additives necessary for desired performance improvement, and achieves a homogeneous FR.
The object of the present invention is to provide a method for manufacturing FRTP that can easily manufacture TP, and a glass fiber bundle for reinforcing thermoplastic resin.
［課題を解決する為の手段コ
前述の目的を達成する為に本発明においては、ガラス繊
維に集束剤を附与集束したガラス繊維表面に、主体樹脂
の性能を向上させるための添加剤を被着した熱可塑性樹
脂補強用ガラス繊維束を使用し、又ガラス繊維に集束剤
を附与集束したガラス繊維束表面に主体樹脂の性能を向
上させるための添加剤を被着してなるガラス繊維束の切
断物と主体樹脂とを加熱下に混練成形することにより繊
維補強樹脂体を製造する。[Means for solving the problem] In order to achieve the above-mentioned object, in the present invention, a sizing agent is added to the glass fibers, and the surface of the bundled glass fibers is coated with an additive for improving the performance of the main resin. A glass fiber bundle made by using a glass fiber bundle for reinforcing a thermoplastic resin, which is coated with a sizing agent, and an additive to improve the performance of the main resin on the surface of the bundled glass fiber bundle. A fiber-reinforced resin body is produced by kneading and molding the cut material and the main resin under heating.
次に、本発明を更に具体的に説明する。本発明における
繊維束としては、ガラス繊維に被膜形成剤、潤滑剤、カ
ップリング剤を夫々１〜２０ｗｔ％、０．１〜１０ｗｔ
％、０．１〜１ ｗｔ％含む集束剤を附与集束すること
によって得られる、集束剤の附与量か固形分として０．
１〜２ｗｔ％、好ましくは０．２〜１ｗｔ％のものか適
当である。Next, the present invention will be explained in more detail. The fiber bundle in the present invention contains glass fibers with a film forming agent, a lubricant, and a coupling agent in an amount of 1 to 20 wt% and 0.1 to 10 wt%, respectively.
%, obtained by adding and focusing a sizing agent containing 0.1 to 1 wt%, the amount of sizing agent added or solid content is 0.
A suitable amount is 1 to 2 wt%, preferably 0.2 to 1 wt%.
ガラス繊維にこのように集束剤を附与集束してなるガラ
ス繊維束は、作業性も良好で、毛羽立ちもなく、又添加
剤の被着も良好てあり、主体樹脂と混練した際の繊維へ
の分散性も良好である。The glass fiber bundle obtained by adding a sizing agent to the glass fibers and sifting them together has good workability, no fuzz, and good adhesion of additives, so that when kneaded with the main resin, the glass fiber bundles are easy to work with. The dispersibility of is also good.
なお、ガラス繊維としては直径３〜２３ＪＬ、好ましく
は６〜１６ｕＬのガラス繊維を２０〜４．Ｏｆ］０本、
望ましくは５０〜２，０００本集束したものか望ましい
。In addition, the glass fiber has a diameter of 3 to 23 JL, preferably 6 to 16 μL, and has a diameter of 20 to 4. Of] 0 pieces,
Preferably, 50 to 2,000 fibers are converged.
上述したガラス繊維束に被着せしむへき添加剤の種類は
、主体樹脂の種類及び向上せしむへき性能（例えば衝撃
強度、耐薬品性、耐熱性）及び所望の向上の程度に応し
て選択される。The type of shearing additive to be applied to the glass fiber bundle described above is selected depending on the type of main resin, the shearing performance to be improved (for example, impact strength, chemical resistance, heat resistance), and the desired degree of improvement. Ru.
ポリカーボネート樹脂の衝撃強度を向上させるため、フ
チルアクリレート樹脂を用いた場合特に好適な結果をう
ることかできるか、このような添加剤の選択には、公知
のポリマーアロイの組成を利用することかできる。In order to improve the impact strength of polycarbonate resins, is it possible to obtain particularly good results when using phthyl acrylate resins? Is it possible to use the composition of known polymer alloys to select such additives? can.
又添加剤の被着量は、添加剤及び主体樹脂の種類、本発
明熱可塑性樹脂補強ガラス繊維束と主体樹脂との混合割
合に応して定められるか、所望の性能を得るのに必要な
添加剤の使用量をｌθ〜５０％程度に減少することかで
きる。The amount of the additive to be applied is determined depending on the types of the additive and the main resin, the mixing ratio of the thermoplastic resin-reinforced glass fiber bundle of the present invention and the main resin, or is determined according to the amount necessary to obtain the desired performance. The amount of additive used can be reduced to about lθ~50%.
添加剤の被着方法に特に限定はなく、添加剤溶融物中を
長尺のガラス繊維束を走行させて、ガラス繊維束に添加
剤を被着させ、次いてダイスを通すことによって過剰に
耐着している添加剤を除去し、添加剤溶融物を所定値に
制御することかある。There is no particular limitation on the method of applying the additive, and excessive resistance can be achieved by running a long glass fiber bundle through the additive melt, applying the additive to the glass fiber bundle, and then passing it through a die. The adhering additives may be removed and the additive melt may be controlled to a predetermined value.
このようにして製造された添加剤の被着した長尺のガラ
ス繊維束を切断して、チョップトストランド（ＣＳ）と
し、ＦＲＴＰの製造に使用する。The long glass fiber bundle coated with the additive produced in this manner is cut into chopped strands (CS), which are used in the production of FRTP.
上述の添加剤溶融物に代え、添加剤のエマルジョン、サ
スペンションを使用することもてきる。Instead of the additive melts mentioned above, additive emulsions and suspensions can also be used.
或は、添加剤の粉末中を、（好ましくは該粉末を流動化
させた状態で、）結合剤を耐着しだ長尺のガラス繊維束
を通過させることにより、このガラス繊維束に添加剤を
被着することもできる。Alternatively, the additive may be applied to the glass fiber bundle by passing the binder through the additive powder (preferably in a fluidized state) through a long glass fiber bundle that is resistant to adhesion. It can also be coated with.
或は、又添加剤を被着するに先立ち、ガラス繊維束を切
断してＣ８となし、Ｃ８と添加剤の微粉とを好ましくは
結合剤の存在下に混合することによってＣ５に添加剤を
被着させることかできる。Alternatively, prior to applying the additive, the C5 is coated with the additive by cutting the glass fiber bundle into C8 and mixing the C8 and additive fines, preferably in the presence of a binder. I can make you wear it.
添加剤を被着したＣＳ（本ＣＳ）と主体樹脂とを加熱下
に混練成型してＦＲＴＰを製造する方法に特に限定はな
く、常用の方法を好適に使用することかできる。There is no particular limitation on the method of producing FRTP by kneading and molding the additive-coated CS (main CS) and the main resin under heating, and any commonly used method can be suitably used.
例えば１本Ｃ５と主体樹脂をエクストル−ターに供給し
て加熱混練し、射出成形法によりＦＲＴＰを得ることか
できる。For example, FRTP can be obtained by supplying one C5 and the main resin to an extruder, heating and kneading them, and then using an injection molding method.
本Ｃ８と主体樹脂の混合割合は、主体樹脂の種類、ＦＲ
ＴＰに要求される性能等に応して定められているか、Ｆ
ＲＴＰ中のガラス繊維含有量（ＧＣ）か２〜７０ｗｔ％
、好ましくは、５〜６０ｗｔ％となるよう定めるのか適
当である。The mixing ratio of C8 and main resin is based on the type of main resin, FR
Is it determined according to the performance etc. required for TP?
Glass fiber content (GC) in RTP is 2 to 70 wt%
, preferably 5 to 60 wt%.
前述したように、本発明における添加剤の使用量は、従
来技術の場合の１０〜５０％程度で充分である。As mentioned above, the amount of additive used in the present invention is sufficient to be about 10 to 50% of the amount used in the prior art.
何故このような結果か得られるのかその作用は充分詳ら
かてはないか、添加剤はＣ８表面に被着しているので、
主体樹脂中の添加剤の量はガラス繊維と主体樹脂との界
面付近において、特に犬となる。The reason why such a result is obtained is that its effect is not fully understood, since the additive is attached to the C8 surface.
The amount of additive in the main resin becomes particularly important near the interface between the glass fiber and the main resin.
主体樹脂に添加剤を混合しポリマーアロイを形成させた
ことによる効果は、ガラス繊維との界面付近の樹脂の性
質に特に大きく左右されるものであり、界面から離れた
部分の樹脂の性質の影響は、界面付近の樹脂の性質の影
響に比し比較的少ないものと思われる。The effect of forming a polymer alloy by mixing additives with the main resin is particularly influenced by the properties of the resin near the interface with the glass fibers, and is influenced by the properties of the resin in areas away from the interface. seems to be relatively small compared to the influence of the properties of the resin near the interface.
そして、本発明によるときは添加剤の使用量か比較的少
ない場合でも、界面付近の添加剤の量か大となるため、
大きい性能改善の効果か得られるものと思われる。According to the present invention, even if the amount of additive used is relatively small, the amount of additive near the interface is large.
It seems that a large performance improvement effect can be obtained.
［作 用］
ガラス繊維に集束剤を附与集束したガラスｍ維束表面に
主体樹脂の性能を向」ニさせるための添加剤を被着して
なるガラス繊維束の切断物と主体樹脂とを加熱下に混練
成形することにより、−工程でポリマーアロイを形成さ
せ、主体樹脂と添加樹脂をその都度性量混合する手間を
省き、主体樹脂と添加樹脂の分離による品質のバラツキ
を防止する。[Function] By adding a sizing agent to the glass fibers and coating the surface of the bundled glass fibers with an additive for improving the performance of the main resin, the main resin is combined with a cut glass fiber bundle. By kneading and molding under heating, a polymer alloy is formed in the second step, eliminating the need to mix the main resin and additive resin each time, and preventing variations in quality due to separation of the main resin and additive resin.
又、添加剤（添加樹脂）をガラス繊維束の表面に被着さ
せることにより、ガラス繊維界面刊近における添加剤の
量を大ならしめ、少量の添加剤の使用で大きい性能改善
の効果を得る。In addition, by coating the additive (additive resin) on the surface of the glass fiber bundle, the amount of additive near the glass fiber interface can be increased, and a large performance improvement effect can be obtained with the use of a small amount of additive. .
Ｕ実施例コ
太さを１３ｇのガラス繊維に、ポリウレタンを５ｗｔ％
、アミノシランを０．５ｗｔ％含む集束剤を固形分とし
て０．５ｗｔ％附与し、！、ＯＯＯ＊集束してガラス繊
維束とした。Example U: 13g glass fiber, 5wt% polyurethane
, 0.5 wt % of a sizing agent containing 0.5 wt % of aminosilane is added as a solid content, and! , OOO* was bundled into a glass fiber bundle.
このガラス繊維束に、ブチルアクリレートのエマルショ
ンをロールコータ−て耐着させることによりフチルアク
リレートを１０ｗｔ％被着させた。This glass fiber bundle was coated with 10 wt % of phthyl acrylate by applying a butyl acrylate emulsion to the glass fiber bundle using a roll coater.
ついて、このガラス繊維束を３ｃｍの長さに切断してＣ
Ｓとなし、このＣ５１６，５重量部とｐｃ８３．５重量
部を用い、ＪＩＳ Ｋ７１１０号、及びＪＩＳ Ｋ
７１１３号の試験片を調整しその物性を測定した結果を
別表に示す。Then, cut this glass fiber bundle into a length of 3 cm and
Using this C516.5 parts by weight and pc83.5 parts by weight, JIS K7110 and JIS K
The results of preparing the test piece No. 7113 and measuring its physical properties are shown in the attached table.
［比較例１，２コ
実施例のガラス繊維束１５重量部ポワカーボネート、フ
チルアクリレートを用いて実施例と同一の実験を行った
結果を別表に示す。[Comparative Examples 1 and 2] The results of the same experiment as in the example were conducted using the glass fiber bundle of the example in an amount of 15 parts by weight of polycarbonate and phthyl acrylate, and the results are shown in the attached table.
別 表
「発明の効果コ
添加剤の使用量を減少させ、物性の良好な、品質の均一
なＦＲＴＰを得る。Attached Table ``Effects of the Invention'' - Reduce the amount of additives used and obtain FRTP with good physical properties and uniform quality.
Claims (1)
表面に、主体樹脂の性能を向上させるための添加剤を被
着した熱可塑性樹脂補強用ガラス繊維束（２）ガラス繊
維に集束剤を附与集束したガラス繊維束表面に主体樹脂
の性能を向上させるための添加剤を被着してなるガラス
繊維束の切断物と主体樹脂とを加熱下に混練成形する繊
維補強樹脂体の製造法。(1) A glass fiber bundle for reinforcing thermoplastic resin in which an additive is applied to the surface of the bundled glass fiber bundle to improve the performance of the main resin (2) A binding agent is added to the glass fiber Production of a fiber-reinforced resin body by kneading and molding the cut glass fiber bundle and the main resin under heating, by coating the surface of the bundled glass fiber bundle with an additive to improve the performance of the main resin. Law.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2134046A JPH0431344A (en) | 1990-05-25 | 1990-05-25 | Production of glass fiber bundle for reinforcing thermoplastic resin and fiber-reinforced resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2134046A JPH0431344A (en) | 1990-05-25 | 1990-05-25 | Production of glass fiber bundle for reinforcing thermoplastic resin and fiber-reinforced resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0431344A true JPH0431344A (en) | 1992-02-03 |
Family
ID=15119101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2134046A Pending JPH0431344A (en) | 1990-05-25 | 1990-05-25 | Production of glass fiber bundle for reinforcing thermoplastic resin and fiber-reinforced resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431344A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005220177A (en) * | 2004-02-03 | 2005-08-18 | Asahi Fiber Glass Co Ltd | Long fiber reinforced polylactic acid resin composition and method for producing the same |
| JP2006520858A (en) * | 2003-03-21 | 2006-09-14 | サン−ゴバン ベトロテックス フランス ソシエテ アノニム | Method for producing glass strand coated with hot melt sizing agent, and product obtained |
| CN105002617A (en) * | 2015-06-08 | 2015-10-28 | 东台市华阳玻纤有限责任公司 | Sealing braided base material for foodstuff processing machinery and method for preparing same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492974A (en) * | 1971-04-16 | 1974-01-11 | ||
| JPS525391A (en) * | 1975-06-24 | 1977-01-17 | Central Glass Co Ltd | Sizing component of glass fibre |
| JPS57100945A (en) * | 1980-12-16 | 1982-06-23 | Ppg Industries Inc | Sizing composition, glass fiber sized therewith and reinforcement polymer reinforced with same fiber |
| JPH0230646A (en) * | 1988-07-21 | 1990-02-01 | Asahi Fiber Glass Co Ltd | Production of reinforcing glass fiber bundle and resin body |
-
1990
- 1990-05-25 JP JP2134046A patent/JPH0431344A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS492974A (en) * | 1971-04-16 | 1974-01-11 | ||
| JPS525391A (en) * | 1975-06-24 | 1977-01-17 | Central Glass Co Ltd | Sizing component of glass fibre |
| JPS57100945A (en) * | 1980-12-16 | 1982-06-23 | Ppg Industries Inc | Sizing composition, glass fiber sized therewith and reinforcement polymer reinforced with same fiber |
| JPH0230646A (en) * | 1988-07-21 | 1990-02-01 | Asahi Fiber Glass Co Ltd | Production of reinforcing glass fiber bundle and resin body |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006520858A (en) * | 2003-03-21 | 2006-09-14 | サン−ゴバン ベトロテックス フランス ソシエテ アノニム | Method for producing glass strand coated with hot melt sizing agent, and product obtained |
| JP2005220177A (en) * | 2004-02-03 | 2005-08-18 | Asahi Fiber Glass Co Ltd | Long fiber reinforced polylactic acid resin composition and method for producing the same |
| CN105002617A (en) * | 2015-06-08 | 2015-10-28 | 东台市华阳玻纤有限责任公司 | Sealing braided base material for foodstuff processing machinery and method for preparing same |
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