JPH0496925A - Melamine resin composition - Google Patents
Melamine resin compositionInfo
- Publication number
- JPH0496925A JPH0496925A JP21546590A JP21546590A JPH0496925A JP H0496925 A JPH0496925 A JP H0496925A JP 21546590 A JP21546590 A JP 21546590A JP 21546590 A JP21546590 A JP 21546590A JP H0496925 A JPH0496925 A JP H0496925A
- Authority
- JP
- Japan
- Prior art keywords
- melamine
- melamine resin
- diglycidyl
- compound
- molar ratio
- 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
- 229920000877 Melamine resin Polymers 0.000 title claims abstract description 49
- 239000000203 mixture Substances 0.000 title claims abstract description 17
- 239000004640 Melamine resin Substances 0.000 title claims description 29
- 150000001875 compounds Chemical class 0.000 claims abstract description 21
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims abstract description 21
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- -1 polyoxyethylene bisphenol Polymers 0.000 abstract description 4
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 abstract 1
- FQYUMYWMJTYZTK-UHFFFAOYSA-N Phenyl glycidyl ether Chemical compound C1OC1COC1=CC=CC=C1 FQYUMYWMJTYZTK-UHFFFAOYSA-N 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 15
- 239000011347 resin Substances 0.000 description 15
- 239000012778 molding material Substances 0.000 description 13
- 150000007974 melamines Chemical class 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 6
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 235000013312 flour Nutrition 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- AOBIOSPNXBMOAT-UHFFFAOYSA-N 2-[2-(oxiran-2-ylmethoxy)ethoxymethyl]oxirane Chemical compound C1OC1COCCOCC1CO1 AOBIOSPNXBMOAT-UHFFFAOYSA-N 0.000 description 1
- DUZLHGMYNVZMCO-UHFFFAOYSA-N 6-[2-[3-[2-(4,6-diamino-1,3,5-triazin-2-yl)ethyl]-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]ethyl]-1,3,5-triazine-2,4-diamine Chemical compound NC1=NC(N)=NC(CCC2OCC3(CO2)COC(CCC=2N=C(N)N=C(N)N=2)OC3)=N1 DUZLHGMYNVZMCO-UHFFFAOYSA-N 0.000 description 1
- 229930185605 Bisphenol Natural products 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- NJYZCEFQAIUHSD-UHFFFAOYSA-N acetoguanamine Chemical compound CC1=NC(N)=NC(N)=N1 NJYZCEFQAIUHSD-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- PMBXCGGQNSVESQ-UHFFFAOYSA-N n-hexyl mercaptan Natural products CCCCCCS PMBXCGGQNSVESQ-UHFFFAOYSA-N 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 150000008379 phenol ethers Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Epoxy Resins (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は、メラミン樹脂組成物に関するものである。[Detailed description of the invention] (Industrial application field) This invention relates to a melamine resin composition.
さらに詳しくは、この発明は、強度に優れるとともに、
寸法安定性、耐水性も良好な新しいメラミン樹脂組成物
に関するものである。More specifically, this invention has excellent strength and
The present invention relates to a new melamine resin composition that has good dimensional stability and water resistance.
（従来の技術）
従来より、耐熱性を有し、高硬度、高強度という優れた
特性を持つメラミン樹脂が機械、電気・電子機器等の分
野において広く使用されており、また、これまでのメラ
ミン樹脂の改良として、靭性を付与したモノグリシジル
変性メラミン樹脂成形材や、ジグリシジル変性メラミン
樹脂成形材か知られてもいる。(Prior art) Melamine resin, which has excellent properties such as heat resistance, high hardness, and high strength, has been widely used in the fields of machinery, electrical and electronic equipment, etc. As improvements to resins, monoglycidyl-modified melamine resin molding materials and diglycidyl-modified melamine resin molding materials that have been imparted with toughness are known.
（発明が解決しようとする課題）
この改良されたメラミン樹脂は強靭性メラミン材として
注目されているものではあるが、この優れた強度と靭性
という特性とともに、寸法安定性、さらには耐水性等の
良好のメラミン材はこれまで実現されてこなかった。(Problem to be solved by the invention) This improved melamine resin is attracting attention as a strong melamine material, but in addition to its excellent strength and toughness properties, it also has dimensional stability, water resistance, etc. A good melamine material has not been realized so far.
このため、より高度な寸法安定性が要求される電気・電
子部品や自動車等の分野において強靭メラミン樹脂材を
使用することはできないのが実情であった。For this reason, the reality is that strong melamine resin materials cannot be used in fields such as electrical/electronic parts and automobiles that require higher dimensional stability.
この発明は、以上の通りの事情に鑑みてなされたもので
あり、従来のメラミン材の欠点を改善し、強度、靭性に
優れるとともに、寸法安定性等にも優れた新しいメラミ
ン樹脂組成物を提供することを目的としている。This invention was made in view of the above circumstances, and provides a new melamine resin composition that improves the drawbacks of conventional melamine materials and has excellent strength, toughness, and dimensional stability. It is intended to.
（課題を解決するための手段）
この発明は、上記の課題を解決するものとして、メラミ
ン（Ｍ）、モノグリシジル化合物（Ｅ１）、ジグリシジ
ル化合物（Ｅ２）およびホルマリン（Ｆ）のモル比を、
Ｅ １／ Ｍ ＝ ０．０４〜２．０
Ｅ２ ／Ｍ＝０．０１〜５．０
２ Ｆ／ （３Ｍ （２Ｅ２ 十Ｅｌ ） ） ＝
０．５〜３．０として反応させてなることを特徴とする
メラミン樹脂組成物を提供する。(Means for Solving the Problems) This invention solves the above problems by changing the molar ratio of melamine (M), monoglycidyl compound (E1), diglycidyl compound (E2) and formalin (F) to E 1/M = 0.04-2.0 E2 /M = 0.01-5.0 2 F/ (3M (2E2 10El)) =
Provided is a melamine resin composition characterized by being reacted at a concentration of 0.5 to 3.0.
この発明の組成物においては、モノグリシジル化合物（
Ｅｌ）およびジグリシジル化合物（Ｅ２）として適宜な
ものを選択使用することができ、たとえばポリエーテル
、フェノールエーテル等としてモノまたはジグリシジル
化合物を用いることができる。ビスフェノール型等とし
てもよい。In the composition of this invention, a monoglycidyl compound (
Appropriate compounds can be selected and used as El) and diglycidyl compounds (E2). For example, mono- or diglycidyl compounds can be used as polyethers, phenol ethers, and the like. It may also be a bisphenol type.
メラミン（Ｍ）に対するモノグリシジル化合物（Ｅ、）
のモル比が０．０４以下、またジグリシジル化合物（Ｅ
２）のモル比が０．ＯＩ以下では強靭性・寸法安定性に
効果はない。またそれぞれ２．０（Ｅ１）、５．０
（Ｅ２）以上のモル比になるとメラミンとゲル化しやす
くなる。Monoglycidyl compound (E,) for melamine (M)
molar ratio of 0.04 or less, and diglycidyl compound (E
The molar ratio of 2) is 0. Below OI, there is no effect on toughness and dimensional stability. Also 2.0 (E1) and 5.0 respectively
When the molar ratio is higher than (E2), it becomes easier to gel with melamine.
一方、ホルマリン（Ｆ）の添加量がモル比で［２Ｆ／（
３Ｍ−２Ｅ２ ＋Ｅｌ）：Ｉ Ｏ，５０以下だと硬化し
にくく、３．０以上では架橋密度が高いため強靭効果・
寸法安定性も悪い。On the other hand, the amount of formalin (F) added is [2F/(
3M-2E2 +El): I O, below 50, it is difficult to cure, and above 3.0, the crosslinking density is high, so the toughness effect
Dimensional stability is also poor.
反応はまずメラミン（Ｍ）に対してモノグリシジル化合
物（Ｅ 、）を反応させ、次いでジグリシジル化合物（
Ｅ２）を反応させる。その後ホルマリンを反応させるこ
とが好ましい。この反応により得られたメラミン樹脂は
、液状として、あるいは固形物として各種の配合組成に
使用することができる。In the reaction, melamine (M) is first reacted with a monoglycidyl compound (E,), and then a diglycidyl compound (E) is reacted with melamine (M).
E2) is reacted. It is preferable to react with formalin after that. The melamine resin obtained by this reaction can be used in various formulations as a liquid or a solid.
固形物にする場合には、加熱脱水法を用いることができ
、その方法としては、真空加熱、スプレードライ、薄膜
蒸発等のいつずれでもよい。When forming a solid product, a heating dehydration method can be used, and the method may be any one of vacuum heating, spray drying, thin film evaporation, and the like.
また、この発明において使用するメラミン（Ｍ）につい
ては、アセトグアナミン、ベンブグアナミン、ＣＴＵグ
アナミン等のグアナミン類の単独もしくは任意の複数の
組合せも可能で、メラミンおよび又はグアナミン類と尿
素との任意の組合せも可能である。Furthermore, regarding melamine (M) used in this invention, guanamines such as acetoguanamine, benbuguanamine, and CTU guanamine may be used alone or in any combination of a plurality of them, and melamine and/or guanamines may be used in combination with urea. Combinations are also possible.
この発明のメラミン樹脂組成物には、その使用目的、用
途に応じて、各種の添加材を配合することができる。Various additives can be added to the melamine resin composition of the present invention depending on its purpose and use.
たとえば、充填材、補強材としては、有機性のフィラー
では、木粉、モミガラ粉、クルミ粉、綿実粉、パルプあ
るいはポリアミド、ビニロン等の合成繊維類等が、無機
性フィラーとしては、シリカ、マイカ、硫酸カルシウム
、硫酸バリウム、タルク、ウオラストナイト、ガラス繊
維等が任意の組合せで使用できる。For example, as fillers and reinforcing materials, organic fillers include wood flour, rice hull flour, walnut flour, cottonseed flour, pulp, and synthetic fibers such as polyamide and vinylon, while inorganic fillers include silica, Mica, calcium sulfate, barium sulfate, talc, wollastonite, glass fiber, etc. can be used in any combination.
その他、硬化剤、硬化助剤、粘度調整剤、離型剤、顔料
等も配合することができる。In addition, curing agents, curing aids, viscosity modifiers, mold release agents, pigments, etc. can also be blended.
（作用）
この発明においては、特定モル比で、かつ、モリグリシ
ジル化合物とともにジグリシジル化合物をも反応させて
変性したメラミン樹脂からなるため、高強度、高靭性で
ある表ともに、寸法安定性に優れ、耐水性等も良好な成
形材組成物が実現される。(Function) In this invention, since it is made of a melamine resin modified by reacting a diglycidyl compound with a molyglycidyl compound at a specific molar ratio, it has high strength, high toughness, and excellent dimensional stability. A molding material composition with good water resistance etc. can be realized.
（実施例）
以下、実施例を示し、さらに詳しくこの発明のメラミン
樹脂組成物について説明する。(Example) Hereinafter, the melamine resin composition of the present invention will be explained in more detail by showing examples.
実施例 １
（樹脂合成）
メラミンクリスタル２４２４ ｇ、水１６９３ ｇ、メ
チルポリエチレンオキシドグリシジルエーテル（分子量
４２６ ） ５００ｇを５１の３つロフラスコに仕込ん
だ後に昇温し、８０〜１００℃で１０〜１５０分間加熱
反応させた。次に、メタノール１６９３ ｇ、１，６−
ヘキサンシオールジグリシジルエーテル（分子量２３０
） １０００ｇを投入し、６０〜８０’Ｃで１０〜１５
０分間加熱反応させた。次に４０％ホルマリン２６９０
ｇを投入し７０〜８０°Ｃで５〜６０分間反応させて
メラミン樹脂を得た。Example 1 (Resin synthesis) 2424 g of melamine crystal, 1693 g of water, and 500 g of methyl polyethylene oxide glycidyl ether (molecular weight 426) were charged into three flasks of No. 51, and the temperature was raised and heated at 80 to 100°C for 10 to 150 minutes. Made it react. Next, 1693 g of methanol, 1,6-
Hexanethiol diglycidyl ether (molecular weight 230
) Add 1000g and heat at 60-80'C for 10-15 minutes.
The reaction was carried out by heating for 0 minutes. Next, 40% formalin 2690
g was added and reacted at 70 to 80°C for 5 to 60 minutes to obtain a melamine resin.
実施例２
（樹脂合成）
実施例１と同様にして表１に示した配合と条件によって
モノグリシジル・ジグリシジル変性メラミン樹脂を得た
。Example 2 (Resin Synthesis) A monoglycidyl/diglycidyl modified melamine resin was obtained in the same manner as in Example 1 using the formulation and conditions shown in Table 1.
また、この樹脂は表２に示した通りの添加材を配合して
組成物とした。混合分散はポットミルによって行った。Further, this resin was made into a composition by blending the additives shown in Table 2. Mixing and dispersion was performed using a pot mill.
比較例 ｌ
（一般メラミン材の合成）
メラミンクリスタル８１０．４ｇ、水４６５．５ ｇ
。Comparative example l (Synthesis of general melamine material) Melamine crystal 810.4g, water 465.5g
.
１０％水酸化ナリトゥム溶液０．８ｇ、４０％ポルマリ
ン７２３．８ ｇを還流管付き三つロフラスコに仕込み
、９２部２℃で２〜３時間反応させ、反応停止剤として
炭酸グアニジン６ｇを添加し、液状ツメラミン樹脂を得
た。0.8 g of 10% naritum hydroxide solution and 723.8 g of 40% Polmarin were placed in a three-neck flask with a reflux tube, 92 parts were reacted at 2°C for 2 to 3 hours, and 6 g of guanidine carbonate was added as a reaction terminator. A liquid thumelamin resin was obtained.
この樹脂２０００ ｇにシートパルプ４７０ ｇを加え
、浸透〜乾燥〜粉砕してメラミン樹脂乾燥品を得た。470 g of sheet pulp was added to 2000 g of this resin, and the mixture was infiltrated, dried, and crushed to obtain a dried melamine resin product.
このメラミン乾燥品１００部に対して無水フタル酸０．
２部、ステアリン酸亜鉛１部をポットミルにより混合分
散させてメラミン樹脂成形材料を得た。0.0% phthalic anhydride per 100 parts of this dry melamine product.
A melamine resin molding material was obtained by mixing and dispersing 2 parts of zinc stearate and 1 part of zinc stearate using a pot mill.
比較例 ２
（モノグリシジル変性メラミン樹脂合成）メラミンクリ
スタル１７１６ ｇ、水１５２６ｇ、メチルポリエチレ
ンオキシドグリシジルエーテル２８８ｇを還流管付き三
つロフラスコに仕込み、９２部２℃の温度条件で６０分
間反応させた後、４０％ホルマリン１４７０ｇを投入し
、８２部２℃で３０〜６０分間反応させ、トリエチルア
ミンを反応停止剤として添加して、モノエポキシ変性メ
ラミン樹脂を得た。Comparative Example 2 (Synthesis of monoglycidyl-modified melamine resin) 1716 g of melamine crystal, 1526 g of water, and 288 g of methyl polyethylene oxide glycidyl ether were placed in a three-necked flask equipped with a reflux tube, and 92 parts were reacted at a temperature of 2° C. for 60 minutes. 1470 g of 40% formalin was added, 82 parts were reacted at 2° C. for 30 to 60 minutes, and triethylamine was added as a reaction terminator to obtain a monoepoxy-modified melamine resin.
この樹脂５０００ ｇにシートパルプ１０７１ｇを加え
、浸透〜乾燥〜粉砕してグリシジル変性メラミン樹脂乾
燥品を得た。1071 g of sheet pulp was added to 5000 g of this resin and subjected to infiltration, drying, and pulverization to obtain a dried glycidyl-modified melamine resin product.
この乾燥品１００部に対して無水フタル酸０．２部、ス
テアリン酸亜鉛１部をポットミルにて混合分散し、モノ
エポキシ変性メラミン樹脂成形材料を得た。To 100 parts of this dry product, 0.2 part of phthalic anhydride and 1 part of zinc stearate were mixed and dispersed in a pot mill to obtain a monoepoxy-modified melamine resin molding material.
比較例 ３
（ジグリシジル変性メラミン樹脂合成）メラミン１５０
０ ｇ 、ポリエチレングツイコールジグリシジルエー
テル７５０ｇ、水１４３０ｇを還流管付きの三つロフラ
スコに仕込み、９２部２℃で６０分間反応させた後４ｏ
％ポルマリン１９３５ ｇを投入し、８２部２℃で３０
〜６０分間反応させ、炭酸グアニジンを反応停止剤とし
て添加し、ジェポキシ変性メラミン樹脂を得た。この樹
脂を薄膜蒸発法で加熱脱水し、固形樹脂を得た。Comparative Example 3 (Diglycidyl modified melamine resin synthesis) Melamine 150
0 g, 750 g of polyethylene glycol diglycidyl ether, and 1430 g of water were placed in a three-necked flask equipped with a reflux tube, and 92 parts were reacted at 2°C for 60 minutes.
% Polmarin (1935 g) was added, and 82 parts were heated at 2℃ for 30 minutes.
After reacting for ~60 minutes, guanidine carbonate was added as a reaction terminator to obtain a jepoxy-modified melamine resin. This resin was heated and dehydrated using a thin film evaporation method to obtain a solid resin.
この固形樹脂７０部に粉末パルプ３０部、無水フタル酸
０．３部、ステアリン酸亜鉛１部をポットミルにて混合
分散し、ジグリシジル変性メラミン樹脂成形材料を得た
。30 parts of powder pulp, 0.3 parts of phthalic anhydride, and 1 part of zinc stearate were mixed and dispersed in 70 parts of this solid resin using a pot mill to obtain a diglycidyl-modified melamine resin molding material.
実施例３〜４
（樹脂成形材）
実施例２により得たモノグリシジル化合物・ジグリシジ
ル化合物変性メラミン樹脂（液状） ５０００ｇにパル
プフィラー１０７０ｇを浸透〜乾燥〜粉砕して乾燥品と
し、この乾燥品１００部に無水フタル酸０．１部、ステ
アリン酸亜鉛１部を添加しポットミルにて混合分散させ
て成形材料とした。Examples 3 to 4 (Resin molding material) 1070 g of pulp filler was infiltrated into 5000 g of the monoglycidyl compound/diglycidyl compound modified melamine resin (liquid) obtained in Example 2, followed by drying and pulverization to obtain a dry product, and 100 parts of this dry product was obtained. 0.1 part of phthalic anhydride and 1 part of zinc stearate were added to the mixture and mixed and dispersed in a pot mill to obtain a molding material.
このパウダー成形材料にて下記の表３の評価結果を得た
。The evaluation results shown in Table 3 below were obtained using this powder molding material.
実施例５〜６
（樹脂成形材）
実施例２より得たモノグリシジル化合物・ジグリシジル
化合物変性した液状メラミン樹脂を加熱脱水して得られ
た固形樹脂７０部に粉末ノくルプ３０部、ステアリン酸
亜鉛１部、無水フタル酸０゜２部をポットミルにて混合
分散し成形材料を得た。この成形材料にて下記の表４の
評価結果を得た。Examples 5 to 6 (Resin molding material) 70 parts of solid resin obtained by heating and dehydrating the monoglycidyl compound/diglycidyl compound modified liquid melamine resin obtained in Example 2, 30 parts of powdered nokuru, and zinc stearate. 1 part and 0.2 parts of phthalic anhydride were mixed and dispersed in a pot mill to obtain a molding material. The evaluation results shown in Table 4 below were obtained using this molding material.
実施例７〜１０
（樹脂成形材）
モノクリシジル・ジグリシジル変性メラミン固形樹脂を
一般メラミン材に１〜１００％添加することにより、強
靭性・寸法安定性が著しく改良できることを確認した。Examples 7 to 10 (Resin molding material) It was confirmed that the toughness and dimensional stability could be significantly improved by adding 1 to 100% of a monocricidyl/diglycidyl modified melamine solid resin to a general melamine material.
その結果を表５に示した。The results are shown in Table 5.
（発明の効果）
この発明により、以上詳しく説明した通り、強度、靭性
とともに、寸法安定性等にも優れたメラミン樹脂成形材
が得られる。(Effects of the Invention) As explained in detail above, the present invention provides a melamine resin molded material that is excellent in strength, toughness, and dimensional stability.
Claims (1)
）、ジグリシジル化合物（Ｅ＿２）およびホルマリン（
Ｆ）のモル比を、 Ｅ＿１／Ｍ＝０．０４〜２．０ Ｅ＿２／Ｍ＝０．０１〜５．０ ２Ｆ／（３Ｍ−（２Ｅ＿２＋Ｅ＿１））＝０．５〜３．
０として反応させてなることを特徴とするメラミン樹脂
組成物。(1) Melamine (M), monoglycidyl compound (E_1
), diglycidyl compound (E_2) and formalin (
The molar ratio of F) is as follows: E_1/M=0.04-2.0 E_2/M=0.01-5.0 2F/(3M-(2E_2+E_1))=0.5-3.
A melamine resin composition characterized in that it is obtained by reacting as 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21546590A JPH0778112B2 (en) | 1990-08-15 | 1990-08-15 | Melamine resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21546590A JPH0778112B2 (en) | 1990-08-15 | 1990-08-15 | Melamine resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0496925A true JPH0496925A (en) | 1992-03-30 |
| JPH0778112B2 JPH0778112B2 (en) | 1995-08-23 |
Family
ID=16672828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21546590A Expired - Fee Related JPH0778112B2 (en) | 1990-08-15 | 1990-08-15 | Melamine resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0778112B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012528234A (en) * | 2009-05-27 | 2012-11-12 | ダウ グローバル テクノロジーズ エルエルシー | Polymeric glycidyl ether reactive diluent |
-
1990
- 1990-08-15 JP JP21546590A patent/JPH0778112B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012528234A (en) * | 2009-05-27 | 2012-11-12 | ダウ グローバル テクノロジーズ エルエルシー | Polymeric glycidyl ether reactive diluent |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0778112B2 (en) | 1995-08-23 |
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