JPS5986636A - Glass fiber-reinforced resin composition for reaction injection molding - Google Patents
Glass fiber-reinforced resin composition for reaction injection moldingInfo
- Publication number
- JPS5986636A JPS5986636A JP19602082A JP19602082A JPS5986636A JP S5986636 A JPS5986636 A JP S5986636A JP 19602082 A JP19602082 A JP 19602082A JP 19602082 A JP19602082 A JP 19602082A JP S5986636 A JPS5986636 A JP S5986636A
- Authority
- JP
- Japan
- Prior art keywords
- glass fiber
- fiber
- reaction injection
- injection molding
- glass
- 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
- Reinforced Plastic Materials (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】 本発明はガラス繊維強化反応射出成形（以下。[Detailed description of the invention] The present invention is based on glass fiber reinforced reaction injection molding (hereinafter referred to as "reaction injection molding").
ＧＲ−ＲＩＭと略す）用樹脂組成物に関するものであり
、特定のガラス繊維を用いる事により９反応射出成形の
優れた製造作業性及び良好な成形品物性を有する樹脂組
成物に関するものである。The present invention relates to a resin composition for use in 9-reaction injection molding (abbreviated as GR-RIM), and has excellent manufacturing workability in 9-reaction injection molding and good physical properties of molded products by using a specific glass fiber.
ＧＲ−ＲＩＭは一般的にはウレタンの原料であるポリオ
ール成分中に粉砕した短かいガラス繊維を混合し、もう
ひとつのウレタン原料であるイソシアネート成分と−・
緒に高圧で射出し、瞬間的に衝突混合させ、密閉された
金型内に注入し成形すび顔料が配合され、イソシアネー
ト成分としては。GR-RIM is generally made by mixing pulverized short glass fibers with a polyol component, which is a raw material for urethane, and an isocyanate component, which is another raw material for urethane.
The isocyanate component is then injected under high pressure, instantaneously collided and mixed, and then injected into a sealed mold to form the molding pigment.
変性メタフェニレンジイソシアネートまたはメタフェニ
レンジイソシアネートブレポリマーカ配合される。Contains modified metaphenylene diisocyanate or metaphenylene diisocyanate bleed polymer polymer.
さて、この様なＧＲ−ＲＩＭの製造において。Now, in manufacturing such GR-RIM.
一般ニハポリオール成分中に粉砕したガラス繊維を混合
するとポリオール成分の粘度が上がり、ｍ々の障害を起
こす。即ち、ガラス繊維の含有鳳を増加していくと、粘
度が上昇し、配管での閉塞を起こしたり、高圧でも射出
が困難になったり、極端な場合には、ポリオール成分中
へのガラス繊維の混合も不可能となり、凝塊をおこして
しまう。When pulverized glass fibers are mixed into a general Niha polyol component, the viscosity of the polyol component increases, causing various problems. In other words, as the content of glass fiber increases, the viscosity increases, causing blockage in piping, making injection difficult even at high pressures, and in extreme cases, increasing the amount of glass fiber in the polyol component. Mixing becomes impossible and coagulation occurs.
このために当業者らは、ガラス繊維を混合した後のポリ
オール成分の粘度を低く保持する手段として、平均繊維
長の短いガラス繊維を用いている。For this reason, those skilled in the art use glass fibers with a short average fiber length as a means of keeping the viscosity of the polyol component low after mixing the glass fibers.
ところが、平均繊維長の短いガラス繊維を用いた場合に
はポリオール成分の粘度増加は比較的小さいが、成形品
の機械特性及び耐熱特性が低下する欠点を有する。以上
の様にポリオール成分の粘度増加低減による優れた製造
作業性と良好な成形品物性の両立が出来ないのが実情で
ある。However, when glass fibers with a short average fiber length are used, although the increase in the viscosity of the polyol component is relatively small, there is a drawback that the mechanical properties and heat resistance properties of the molded product are reduced. As described above, the reality is that it is not possible to achieve both excellent manufacturing workability and good physical properties of molded products by reducing the increase in viscosity of the polyol component.
本発明者らは１以上の様な問題について鋭意研究した結
果、特定のガラス繊維を用いる事によって、ガラス繊維
を混合したポリオール成分の粘度増加が少なくなり、製
造作業性が優れかつ成形品の機械特性及び耐熱特性が低
下しない事を見い出した。As a result of intensive research into one or more of the following problems, the inventors of the present invention found that by using a specific glass fiber, the increase in viscosity of the polyol component mixed with glass fiber is reduced, the manufacturing workability is excellent, and the machine for molded products is improved. It has been found that the properties and heat resistance properties do not deteriorate.
即ち２本発明はガラス繊維強化反応射出成形用樹脂組成
物で、フィラメント径５〜１５μｍのガラス繊維を５重
量％〜４０重量％含み、そのガラス繊維は０．１５■以
下の平均繊維長のガラス繊維（イ）と０．２０ｍ以上の
平均繊維長のガラス繊維（ロ）を重量比（イ）／（ロ）
＝０．２〜４で構成されるガラス繊維強化反応射出成形
用樹脂組成物に関する。That is, the present invention is a glass fiber-reinforced resin composition for reaction injection molding, which contains 5% to 40% by weight of glass fibers with a filament diameter of 5 to 15 μm, and the glass fibers have an average fiber length of 0.15 μm or less. Weight ratio (a)/(b) of fiber (a) and glass fiber (b) with an average fiber length of 0.20 m or more
= 0.2 to 4.
本発明のガラス繊維のフィラメント径は５〜１５μｍで
あり、望ま１． ＜は９〜１３μｍである。ガラス繊維
の含有量は５重量％〜４０重量％であり。The filament diameter of the glass fiber of the present invention is 5 to 15 μm, and desirably 1. < is 9 to 13 μm. The content of glass fiber is 5% to 40% by weight.
望ましくは１５〜３０重量％である。この範囲の量でガ
ラス繊維を用い、さらに平均繊維長が０．１５ｍ＋以下
であるガラス繊維（イ）と平均繊維長（ロ）を重量比（
イ）／（ロ） ＝ ０．２〜４で含有するガラス繊維を
用いる事によ’）ＧＲ−ＲＩＭ成形品の物性を犠牲にす
る事なく、ＧＲ−ＲＩＭの製造作業性に優れた樹脂組成
物が得られる。It is preferably 15 to 30% by weight. Glass fibers are used in amounts within this range, and glass fibers with an average fiber length of 0.15 m+ or less (a) and average fiber lengths (b) are added in a weight ratio (
By using glass fiber containing a)/(b) = 0.2 to 4, a resin composition with excellent workability in manufacturing GR-RIM without sacrificing the physical properties of GR-RIM molded products. You can get things.
上記のガラス繊維（イ）とガラス繊維（ロ）とは例えば
あらかじめ重量比（イ）／（ロ） ＝ ０．２〜４で混
合したものを用いてもよく、最終的にＧＲ−ＲＩＭ組成
物中で重量比（イ）／（ロ）＝０２〜４になる様に別々
に添加してもよく、特にその添加方法には制限がない。The above glass fiber (a) and glass fiber (b) may be mixed in advance at a weight ratio (a)/(b) = 0.2 to 4, for example, and the final GR-RIM composition is They may be added separately so that the weight ratio (a)/(b)=02 to 4, and there is no particular restriction on the method of addition.
本発明に用いられているポリオールは特に制限する必要
はなく、一般に市販されている樹脂でよく、ポリエーテ
ルポリオール、ポリエステルポリオールなどの分子量１
０００〜１００００のものが多い。本発明に用いられて
いるイソシアネートも特に制限する必要もなく、一般的
に変性メタフェニレンジイソシアネート又はメタフェニ
レンジイソシアネートプレポリマーを使用する事が多い
。本発明においては、その他にＧＲ−ＲＩＭ製造上必要
とされる他の添加剤即ち、鎖延長剤又は架橋剤。The polyol used in the present invention does not need to be particularly limited, and may be any resin that is generally commercially available, such as polyether polyol, polyester polyol, etc.
There are many numbers between 000 and 10,000. There is no need to particularly limit the isocyanate used in the present invention, and modified meta-phenylene diisocyanate or meta-phenylene diisocyanate prepolymer is generally used in many cases. In the present invention, other additives required for GR-RIM production, such as chain extenders or crosslinking agents.
触媒９発泡剤及び顔料等を添加し、使用しても何らさし
つかえない。又この発明はウレタン系原料に制限される
ものではなく、ナイロン、エポキシ。Catalyst 9 There is no harm in adding and using blowing agents, pigments, etc. Also, this invention is not limited to urethane-based raw materials, but can also be applied to nylon and epoxy.
プリエステルなどの反応射出成形に応用し得ることは自
明である。It is obvious that this method can be applied to reaction injection molding of preesters and the like.
以下、実施例により本発明を具体的に説明する５−
が２本発明は以下の実施例のみに限定されるものではな
い。Hereinafter, the present invention will be specifically explained with reference to Examples.5-2 The present invention is not limited to the following Examples.
〈実施例 １〉
表−１に示す実施例の試料番号１． ２． ３． ４゜
５、及び比較例試料の番号１． ２． ３． ４． ５
゜のガラス繊維を作製した。このガラス繊維を表−２に
示す配合（重量部）中に添加し混合した。ガラス繊維の
配合量を表−１に示す。その時の粘度をブルックフィー
ルド粘度計により測定した。結果を表−１に示す。この
混合した組成物をＹ液とする。次に表−３に示した配合
（重量部）を作成し混合した。この混合した組成物をＹ
液とする。<Example 1> Sample number 1 of the example shown in Table-1. 2. 3. 4゜5, and comparative sample number 1. 2. 3. 4. 5
゜ glass fiber was produced. This glass fiber was added to the formulation (parts by weight) shown in Table 2 and mixed. Table 1 shows the amount of glass fiber added. The viscosity at that time was measured using a Brookfield viscometer. The results are shown in Table-1. This mixed composition is referred to as Y liquid. Next, the formulations (parts by weight) shown in Table 3 were prepared and mixed. This mixed composition is Y
Make it into a liquid.
Ｙ液及びＹ液を射出量ＩＫｙ、射出圧力２００ Ｋｙ／
ａｌ。Y liquid and Y liquid injection amount IKy, injection pressure 200 Ky/
al.
成形温度７０℃、 イソシアネート・インデックスエ
１０７のＧＲ−Ｒ李Ｍのタンクに入れ、Ｙ液を５０℃に
加熱し、Ｙ液を２５℃の温度に保ち、成形品厚さ４ｍｍ
の平板を成形し、ＪＩＳ−に−７２０３により曲げ弾性
率を測定した。The molding temperature was 70°C, the Y liquid was heated to 50°C in a tank of GR-R Lee M with isocyanate index 107, the Y liquid was kept at a temperature of 25°C, and the molded product had a thickness of 4 mm.
A flat plate was molded, and its flexural modulus was measured according to JIS-7203.
６− さらに、ＡＳＴＭ−Ｄ−３７４９により１２１℃。6- Furthermore, 121°C according to ASTM-D-3749.
１時間での成形品の変形量をみるヒートサグと呼ばれる
耐熱特性を測定した。これらの結果を表−１に示す。Heat sag, which measures the amount of deformation of a molded product in one hour, was measured. These results are shown in Table-1.
これらの結果から実施例の試料番号１と比較例の試料番
号１を比較すると、成形品の曲げ弾性率及びヒートサグ
と称する耐熱特性が低下せずにポリオール成分の粘度増
加が抑えられている事がわかる。実施例の試料番号２〜
５と比較例の試料番号２〜５の比較においても同様の結
果となっている。From these results, when comparing Sample No. 1 of the Example and Sample No. 1 of the Comparative Example, it was found that the increase in the viscosity of the polyol component was suppressed without decreasing the bending elastic modulus of the molded product and the heat resistance property called heat sag. Recognize. Example sample number 2~
Similar results were obtained when comparing Sample Nos. 5 and Comparative Examples Samples Nos. 2 to 5.
以上の様にと同じ平均ガラス繊維長のガラス繊維でも１
本発明の短いガラス繊維（イ）と長いガラス繊維（ロ）
を混合したガラス繊維を使用したものが、成形品物性を
低下させることなく、ポリオール成分の粘度増加を抑え
、成形品の製造作業性が良好な事は明らかである。As shown above, even with glass fibers having the same average glass fiber length as
Short glass fiber (a) and long glass fiber (b) of the present invention
It is clear that the use of glass fiber mixed with the above suppresses the increase in viscosity of the polyol component without deteriorating the physical properties of the molded product, and the workability of manufacturing the molded product is good.
表−２
表−３
９−
手続補正書（方式）
％式％
１、事件の表示 昭和５７年特許願第１９６０２０号２
発明の名称 ガラス縞維強化反応射出威形用樹脂組陵
物３、補正をする者
事件との関係 特許出願人
住 所 東京都千代田区内神田−丁目１３番７号昭和５
８年２月２２日（発送日）
５、補正の対象
願書及び明細書
６、補正の内容
タイプ印書（黒色）により鮮明に記載。Table-2 Table-3 9- Procedural amendment (method) % formula % 1. Indication of case Patent application No. 196020 of 1982 2
Title of the invention Glass striped fiber reinforced reaction injection molded resin molding product 3, Relationship to the case of the person making the amendment Address of the patent applicant 13-7 Uchikanda-chome, Chiyoda-ku, Tokyo 1933
February 22, 2008 (shipment date) 5. Application and specification to be amended 6. Contents of amendment clearly stated in type print (black).
以上
手続補正書（自発）
昭和５８年３月７７日
特許庁長官殿
１、事件の表示 昭和５７年特許願第１９６０２０号２
、発明の名称 ガラス繊維強化反応射出綬形用樹脂組成
物３、補正をする者
事件との関係 特許出願人
住 所 東京都千代田区内神田−丁目１３番７号明細書
の発明の詳細な説明の個。Written amendment to the above procedure (spontaneous) March 77, 1980 Dear Commissioner of the Japan Patent Office 1, Indication of the case Patent Application No. 196020, 1988 2
, Title of the Invention Glass Fiber Reinforced Reaction Injection Resin Composition for Ribbon Shapes 3, Relationship to the Amendment Case Patent Applicant Address Detailed Description of the Invention of the Specification No. 13-7 Uchikanda-chome, Chiyoda-ku, Tokyo pieces.
５、補正の内容
１） 明細書の第４頁第１０行目「平均繊維長」の後に
「が以上の様に、」と補正する。5. Contents of the amendment 1) On page 4, line 10 of the specification, after "average fiber length", the following is amended to read "as above."
２９６−296-
Claims (1)
長が０．１５ｍ以下のガラス繊維（イ）と平均繊維長が
０．２ａｍ以上のガラス繊維（ロ）とが重量比（イ）／
（ロ） ＝ ０．２〜４で構成されているガラス繊維を
５〜４０重量％含むことを特徴とするガラス繊維強化反
応射出成形用樹脂組成物。The weight ratio of glass fiber (a) with a filament diameter of 5 to 15 μm and an average fiber length of 0.15 m or less and glass fiber (b) with an average fiber length of 0.2 am or more is (a)/
(b) A glass fiber-reinforced resin composition for reaction injection molding, characterized in that it contains 5 to 40% by weight of glass fibers having a content of 0.2 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19602082A JPS5986636A (en) | 1982-11-10 | 1982-11-10 | Glass fiber-reinforced resin composition for reaction injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19602082A JPS5986636A (en) | 1982-11-10 | 1982-11-10 | Glass fiber-reinforced resin composition for reaction injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5986636A true JPS5986636A (en) | 1984-05-18 |
Family
ID=16350880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19602082A Pending JPS5986636A (en) | 1982-11-10 | 1982-11-10 | Glass fiber-reinforced resin composition for reaction injection molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5986636A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011023322A1 (en) | 2009-08-26 | 2011-03-03 | Bayer Materialscience Ag | Fibre-reinforced polyurethane moulded part comprising three-dimensional raised structures |
| WO2014167950A1 (en) * | 2013-04-09 | 2014-10-16 | Fujita Masanori | Composite molding material, extrusion molded article, and production method for composite molding material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4960336A (en) * | 1972-10-18 | 1974-06-12 |
-
1982
- 1982-11-10 JP JP19602082A patent/JPS5986636A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4960336A (en) * | 1972-10-18 | 1974-06-12 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011023322A1 (en) | 2009-08-26 | 2011-03-03 | Bayer Materialscience Ag | Fibre-reinforced polyurethane moulded part comprising three-dimensional raised structures |
| WO2014167950A1 (en) * | 2013-04-09 | 2014-10-16 | Fujita Masanori | Composite molding material, extrusion molded article, and production method for composite molding material |
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