JPH03208844A - Artificial marble produced by using epoxy resin - Google Patents
Artificial marble produced by using epoxy resinInfo
- Publication number
- JPH03208844A JPH03208844A JP554890A JP554890A JPH03208844A JP H03208844 A JPH03208844 A JP H03208844A JP 554890 A JP554890 A JP 554890A JP 554890 A JP554890 A JP 554890A JP H03208844 A JPH03208844 A JP H03208844A
- Authority
- JP
- Japan
- Prior art keywords
- epoxy resin
- parts
- artificial marble
- filler
- acid anhydride
- 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
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 37
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 37
- 239000002928 artificial marble Substances 0.000 title claims abstract description 19
- 150000008065 acid anhydrides Chemical class 0.000 claims abstract description 13
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 11
- 239000011521 glass Substances 0.000 claims abstract description 8
- 239000003381 stabilizer Substances 0.000 claims abstract description 7
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 229920001651 Cyanoacrylate Polymers 0.000 claims abstract description 4
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 claims abstract description 4
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 3
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 3
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims description 5
- 239000002530 phenolic antioxidant Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 abstract description 5
- 239000004593 Epoxy Substances 0.000 abstract description 4
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 abstract description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 3
- -1 wring accelerator Substances 0.000 abstract description 3
- RKHXQBLJXBGEKF-UHFFFAOYSA-M tetrabutylphosphanium;bromide Chemical compound [Br-].CCCC[P+](CCCC)(CCCC)CCCC RKHXQBLJXBGEKF-UHFFFAOYSA-M 0.000 abstract description 2
- 230000002745 absorbent Effects 0.000 abstract 2
- 239000002250 absorbent Substances 0.000 abstract 2
- 238000000465 moulding Methods 0.000 abstract 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 abstract 1
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 abstract 1
- 235000010290 biphenyl Nutrition 0.000 abstract 1
- 239000004305 biphenyl Substances 0.000 abstract 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 abstract 1
- 235000010354 butylated hydroxytoluene Nutrition 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 abstract 1
- 239000006076 specific stabilizer Substances 0.000 abstract 1
- 238000004383 yellowing Methods 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 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 3
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004579 marble Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229930185605 Bisphenol Natural products 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- VYKXQOYUCMREIS-UHFFFAOYSA-N methylhexahydrophthalic anhydride Chemical compound C1CCCC2C(=O)OC(=O)C21C VYKXQOYUCMREIS-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- KUBDPQJOLOUJRM-UHFFFAOYSA-N 2-(chloromethyl)oxirane;4-[2-(4-hydroxyphenyl)propan-2-yl]phenol Chemical compound ClCC1CO1.C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 KUBDPQJOLOUJRM-UHFFFAOYSA-N 0.000 description 1
- MWSKJDNQKGCKPA-UHFFFAOYSA-N 6-methyl-3a,4,5,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1CC(C)=CC2C(=O)OC(=O)C12 MWSKJDNQKGCKPA-UHFFFAOYSA-N 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000002723 alicyclic group Chemical group 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
Abstract
Description
【発明の詳細な説明】
１゜
（産業上の利用分野）
本発明は、白色度が高（しかも耐候性に優れたエポキシ
樹脂を用いた人造大理石に関する。DETAILED DESCRIPTION OF THE INVENTION 1° (Industrial Application Field) The present invention relates to an artificial marble using an epoxy resin having high whiteness (and excellent weather resistance).
（従来の技術）
エポキシ樹脂を用いた人造大理石は、エポキシ樹脂の高
い透明性と表面平滑性により大理石のように重厚な感じ
を与え、洗面化粧台、浴槽、カウンタートップ勢番ζ使
用されるようになってきた。(Conventional technology) Artificial marble made with epoxy resin gives a solid feel like marble due to the high transparency and smooth surface of the epoxy resin, and is often used for bathroom vanities, bathtubs, and countertops. It has become.
しかしながら、耐候性の低下で、紫外線や熱などの外的
刺激番ζよって容易に黄色や褐色に変色し易いため、白
色製品や色彩製品においては、物性の低下のほかに商品
価値を著しく低下する・従来より、プラスチック類の耐
候性を改良する安定剤としては、紫外線吸収剤、ヒンダ
ードフェノール系酸化防止剤、有機イオウ系酸化防止剤
、有機フォスファイト系酸化防止剤などが数多（市販さ
れている。However, due to decreased weather resistance, the color easily changes to yellow or brown due to external stimuli such as ultraviolet rays and heat, so for white products and colored products, in addition to the decline in physical properties, the product value is also significantly reduced.・Conventionally, there are many stabilizers that improve the weather resistance of plastics, such as ultraviolet absorbers, hindered phenol antioxidants, organic sulfur antioxidants, and organic phosphite antioxidants. ing.
（発明が解決しようとする課題）
これらの安定剤類をある組合せで添加した場合、エポキ
シ樹脂の耐候性の改讐は認められたが、安定剤の色によ
りエポキシ樹脂の人造大理石が黄着色する問題があった
。(Problem to be solved by the invention) When a certain combination of these stabilizers was added, improvement in the weather resistance of epoxy resin was observed, but the color of the stabilizer caused the epoxy resin artificial marble to turn yellow. There was a problem.
本発明は、白色度が高くしかも耐候性に優れたエポキシ
樹脂の人造大理石を提供するものである。The present invention provides an epoxy resin artificial marble having high whiteness and excellent weather resistance.
（課題を解決するための手段）
本発明は、（Ａ）エポキシ樹脂（Ｂ）酸無水物（Ｃ）硬
化促進剤及び（Ｄ）充填剤からなり、さらに安定剤とし
て（ｇ）ヒンダードフェノール系酸化防止剤、（Ｆ）有
機７オスフアイト系酸化防止剤および（Ｇ）シアリアク
リレート系紫外線吸収剤を添加してなる白色度が高くし
かも耐候性ζこ優れた人造大理石に関する。(Means for Solving the Problems) The present invention comprises (A) an epoxy resin, (B) an acid anhydride, (C) a curing accelerator, and (D) a filler, and further includes (g) a hindered phenol-based stabilizer. This invention relates to an artificial marble having high whiteness and excellent weather resistance, which is obtained by adding an antioxidant, (F) an organic heptad-osphite antioxidant, and (G) a sialyacrylate ultraviolet absorber.
本発明者らは、上記の問題点を解決すべくエポキシ樹脂
組成物について研究を重ねた結果、エポキシ樹脂６ζ硬
化剤として酸無水物を用い、さらに充填剤を入れ、これ
番ζ酸化防止剤及び紫外線防止剤を併用すると、得られ
るエポキシ人造大理石は白色度が高くしかも耐候性に優
れることを見い出した。As a result of repeated research on epoxy resin compositions in order to solve the above problems, the present inventors used an acid anhydride as an epoxy resin 6ζ curing agent, added a filler, and added a 6ζ antioxidant and a filler. It has been found that when an ultraviolet inhibitor is used in combination, the resulting epoxy artificial marble has high whiteness and excellent weather resistance.
この発明化使用されるエポキシ樹脂（Ａ）は、無色ない
し極めて淡色の透明なものが好ましく。The epoxy resin (A) used in this invention is preferably colorless or extremely light-colored and transparent.
ビスフェノールＦ型エポキシ樹脂、脂環式エポキシ樹脂
、ビスフェノールＦ型エポキシ樹脂、水添ビスフェノー
ルＦ型エポキシ樹脂等があげられる。さらに、エポキシ
当量１００〜２００、分子量１８０〜６００程度のもの
を用いるのが好ましいが、単独で固形であっても実用上
作業が可能な範囲で液状のものと混合して使用すること
ができる。Examples include bisphenol F-type epoxy resin, alicyclic epoxy resin, bisphenol F-type epoxy resin, and hydrogenated bisphenol F-type epoxy resin. Further, it is preferable to use an epoxy equivalent having an epoxy equivalent of 100 to 200 and a molecular weight of about 180 to 600, but even if it is solid alone, it can be mixed with a liquid one to the extent that practical work is possible.
酸無水物（Ｂ）は、上記エポキシ樹脂の硬化剤として作
用するものであり、無色ないし淡色の透明で、しかもエ
ポキシ樹脂と混合しやすいものが好ましく、無水７タル
酸、テトラヒドロ無水７タル酸、メチルテトラヒドロ無
水フタル酸、メチルへキサヒドロ無水フタル酸があげら
れる。The acid anhydride (B) acts as a curing agent for the above-mentioned epoxy resin, and is preferably colorless or light-colored and transparent, and is easily mixed with the epoxy resin, such as 7-talic anhydride, 7-talic anhydride, tetrahydro-7-talic anhydride, Examples include methyltetrahydrophthalic anhydride and methylhexahydrophthalic anhydride.
硬化促進剤（Ｃ）は、三級アミン類、イミダゾール類お
よびこれらの塩類、ハロゲン化アルキルオニウム類があ
げられ、特にハロゲン化アルキルオニウム類の臭化テト
ラブチルホスオニウムなどが黄着色の低減に好ましい。Examples of the curing accelerator (C) include tertiary amines, imidazoles, salts thereof, and alkylonium halides, and particularly preferred are alkylonium halides such as tetrabutylphosphonium bromide for reducing yellowing. .
充填剤（Ｄ）は、一般に使用されている水酸化アルミニ
ウム、シリカ、水酸化マグネシウム、ガラス等があげら
れ、特に紫外線吸収ガラス粉末が好ましい。このガラス
成分中に含まれる紫外線を吸収する金属酸化物、特にＶ
ｅｔｏｓは紫外線に対する吸収係数が太き（、可視光線
の吸収が小さいため効果的に働く。また、充填剤の粒子
径は粒子が沈降し難い２００ ｐｍ以下が適当で、５０
ｐｍ以下がより好ましい。Examples of the filler (D) include commonly used aluminum hydroxide, silica, magnesium hydroxide, glass, etc., and ultraviolet absorbing glass powder is particularly preferred. Metal oxides that absorb ultraviolet light contained in this glass component, especially V
Etos works effectively because it has a large absorption coefficient for ultraviolet rays (and small absorption for visible light. Also, the particle size of the filler is suitable to be 200 pm or less, which makes it difficult for particles to settle.
More preferably, it is pm or less.
ヒンダードフェノール系酸化防止剤（Ｉり・は、エポキ
シ樹脂、酸無水物６ζ溶解しやすいものが好ましく、２
，６−シーｔａｒｔ−ブチル−４−メチルフェノール、
２−オクタデシル−３−３＜３：５′−ジー１・ｒｔ−
ブチル−４−ヒドクキシ）−プロピオネート等があげら
れる。Hindered phenolic antioxidant (I is preferably one that easily dissolves in epoxy resin, acid anhydride 6ζ,
, 6-tart-butyl-4-methylphenol,
2-octadecyl-3-3<3:5'-G1・rt-
Examples include butyl-4-hydroxy)-propionate.
有機フォスファイト系酸化防止剤（Ｆ・）は、エポ牛シ
ｓｒｍ、酸無水物に溶解しやすいものが好マシく、トリ
フェニルフォスファイト、９−１０−ジヒドロ−９−オ
キサ−１０−ホスファフェナンスレン−１０−オキサイ
ド等があげられる。Organic phosphite-based antioxidants (F・) are preferably those that are easily soluble in EPO srm, acid anhydrides, triphenylphosphite, 9-10-dihydro-9-oxa-10-phosphatide, etc. Examples include phenanthrene-10-oxide.
シアノアクリレート系紫外線吸収剤（Ｇ）は、エポキシ
樹脂、ｈ無水物に溶解しやすいものが好ましく、エチル
−２−シアノ−３，３′−ジフェニルアクリレート等が
あげられる。The cyanoacrylate ultraviolet absorber (G) is preferably one that is easily soluble in an epoxy resin or anhydride, such as ethyl-2-cyano-3,3'-diphenylacrylate.
酸無水物（ｆｌ）の配合割合は、エポキシ樹脂１００重
量部に対し８０〜１００重量部の範囲内とすることが好
適である。酸無水物がこの範囲よりも少ない場合には熱
による黄着色が大きくなる。逆ｋ、酸無水物を上記の範
囲より多く用いると、熱による黄着色は小さくなるが、
紫外線による光沢の低下が太き（なる。The blending ratio of the acid anhydride (fl) is preferably in the range of 80 to 100 parts by weight per 100 parts by weight of the epoxy resin. If the amount of acid anhydride is less than this range, yellowing due to heat will increase. Inverse k, when acid anhydride is used in an amount greater than the above range, yellowing due to heat will be reduced, but
The decrease in gloss caused by ultraviolet rays increases.
硬化促進剤（Ｃ）の配合割合は、エポキシ樹脂１００重
量部に対して０．１〜ｌＯ重量部より好ましくは、０．
５〜５重量部薯ζすることである。The blending ratio of the curing accelerator (C) is preferably 0.1 to 10 parts by weight per 100 parts by weight of the epoxy resin.
The amount is 5 to 5 parts by weight.
充填剤（Ｄ）の配合割合は、目的により自由に決められ
るが、大理石の外観、すなわち透明性や深み感のある外
観を得るためには、紫外線吸収ガラス粉末の場合、エポ
キシ樹脂１００重量部に対して１５０〜４００重量部に
することが好ましい。The blending ratio of the filler (D) can be freely determined depending on the purpose, but in order to obtain a marble appearance, that is, an appearance with transparency and depth, in the case of ultraviolet absorbing glass powder, it is necessary to add 100 parts by weight of the epoxy resin to 100 parts by weight of the epoxy resin. It is preferable to use 150 to 400 parts by weight.
酸化防止剤（ｌ及び（？）の全添加量は、エポキシ樹脂
１００重量部に対して０．５〜１０重量部、より好まし
くは１〜５重量部にすることである。これより少ないと
黄着色防止効果が顕著にみられないか、長時間接続しな
い傾向がみられる。逆にこれより多いと紫外線による光
沢の低下が生ずる問題がある。The total amount of the antioxidant (l and (?) added is 0.5 to 10 parts by weight, more preferably 1 to 5 parts by weight, per 100 parts by weight of the epoxy resin. If it is less than this, yellowing occurs. There is a tendency that the effect of preventing coloring is not noticeable or that it does not stay connected for a long time.On the other hand, if the amount is more than this, there is a problem that the gloss decreases due to ultraviolet rays.
紫外線吸収剤（Ｇ）の添加量は、エポキシ樹脂１００重
量部に対して０．３〜１．５重量部、より好ましくは０
，５〜１．０重量部にすることである。これより少ない
と紫外線の吸収効果がみられない。逆にこれより多いと
、紫外線吸収剤の色が成形品に着色する問題が生ずる。The amount of the ultraviolet absorber (G) added is 0.3 to 1.5 parts by weight, more preferably 0 parts by weight per 100 parts by weight of the epoxy resin.
, 5 to 1.0 parts by weight. If the amount is less than this, no ultraviolet absorption effect will be observed. On the other hand, if the amount is more than this, the problem arises that the color of the ultraviolet absorber colors the molded product.
以上説明したエポキシ樹脂を用いた人造大理石の中でも
、酸無水分の配合割合がエポキシ樹脂１００重量部に対
して８０〜１００重量部の範囲内にあり、しかも充填剤
を紫外線吸収ガラス粉末とした人造大理石は白色度が高
く、しかも耐候性に優れている。Among the artificial marbles using the epoxy resin described above, the blending ratio of acid and water is within the range of 80 to 100 parts by weight to 100 parts by weight of the epoxy resin, and the artificial marble is made of ultraviolet absorbing glass powder as a filler. Marble has a high degree of whiteness and is also highly weather resistant.
（実施例） 次に実施例−こより、本発明の詳細な説明する。(Example) Next, the present invention will be explained in detail with reference to Examples.
実施例Ｉ
ＨＮ−５５００（メチルへキサヒドロ無水フタル酸、日
立化成工業株式会社製商品名）９０ｇ％ｐｘ−４Ｂ（テ
トラ−膳−ブチルホスホニウムブロマイド、日本化学工
業株式会社製商品）２、、Ｇム−８０（２，６−シーｔ
ａｒｔ−ブチル−４−メチルフェノール、住友化学工業
株式会社製商品名）２ｇ、１１０ｊＬ （９，１０−シ
ヒ）’ｔｅｌ−９−オキサー１０−ホス７アフエナンス
レンー１０−オキサイド、三光化学株式会社製商品名）
２ｇを８０℃に加熱、および撹拌を行ない、均一な硬化
液をあらかじめ調整し、エピコート８２８（ビスフェノ
ールム型エポキシ樹脂、油化シェルエポキシ株式会社製
商品名）１００ｇさらに紫外線吸収ガラス粉末（日本板
硝子株式会社製）２５０ｇと混合した。これを、離型処
理を施したギャップ５ｍｍのがラスセルへ注入し、１０
０℃の油浴に１時間浸漬した後、セルより離型し、１３
０℃に加熱された乾燥機中に２時間加熱し、硬化を行な
いエポキシ樹脂の人造大理石を得た。この人造大理石を
切断し５０ｍｍＸ５０閣厚さ約５閣の試験片を作製した
。この試験片を用いて、ブラックパネル温度６０℃のデ
ューサイクルサンシャインスーパーロンクライフフェザ
ーメーター（スガ試験機社製、ＷＢＬ−８ＯＮ−Ｄｏ）
による耐候性試験を行った。Example I HN-5500 (methylhexahydrophthalic anhydride, trade name manufactured by Hitachi Chemical Co., Ltd.) 90 g% px-4B (tetra-zen-butylphosphonium bromide, product manufactured by Nippon Chemical Industry Co., Ltd.) 2, Gmu -80 (2,6-sheet t
art-butyl-4-methylphenol, manufactured by Sumitomo Chemical Co., Ltd. (trade name) 2 g, 110jL (9,10-Shihy)'tel-9-oxer 10-phos7affenanthrene-10-oxide, Sanko Chemical Co., Ltd. product name)
2g was heated to 80°C and stirred to prepare a uniform hardening solution in advance, and 100g of Epikote 828 (bisphenolum type epoxy resin, trade name manufactured by Yuka Shell Epoxy Co., Ltd.) was added, followed by ultraviolet absorbing glass powder (Nippon Sheet Glass Co., Ltd.). (manufactured by the company) was mixed with 250 g. This was injected into a lath cell with a gap of 5 mm that had been subjected to mold release treatment, and
After being immersed in an oil bath at 0°C for 1 hour, the mold was released from the cell and 13
The mixture was heated in a dryer heated to 0° C. for 2 hours to cure and obtain an epoxy resin artificial marble. This artificial marble was cut to prepare a test piece of 50 mm x 50 mm and about 5 mm thick. Using this test piece, a due cycle Sunshine Super Long Cruyff Feather Meter (manufactured by Suga Test Instruments Co., Ltd., WBL-8ON-Do) with a black panel temperature of 60°C was used.
A weather resistance test was conducted.
照射時間１００時間後の試験片の色を色差計（日本重色
社製ｏ＆−８０）でＪＩｇＫ−７１０５の方法により測
定した。また、試験片の光沢度（６０グロス）を光沢度
計（日本重色社製）でＪＩ８に−７１０５の方法により
測定した。After 100 hours of irradiation, the color of the test piece was measured using a color difference meter (O&-80 manufactured by Nippon Juishoku Co., Ltd.) according to the method of JIgK-7105. In addition, the glossiness (60 gloss) of the test piece was measured using a glossmeter (manufactured by Nippon Juishoku Co., Ltd.) according to method JI8-7105.
その結果を表１に示す。The results are shown in Table 1.
なお、本発明において、人造大理石が白色であることは
ハンター法による色度座標Ｌａｂのｂ値が８以下を示す
ものであり、この値は肉眼部こよる判定とほぼ一致する
。また、耐候性試験後の人造大理石が光沢を有している
ことは、光沢度が４０９６以上であることを意味する。In the present invention, the whiteness of the artificial marble means that the b value of the chromaticity coordinate Lab according to the Hunter method is 8 or less, and this value almost agrees with the judgment based on the naked eye. Furthermore, the fact that the artificial marble has gloss after the weather resistance test means that the glossiness is 4096 or higher.
比較例１
実り例１より、酸化防止剤のＧＡ−８０とＨＯＡの量を
少なくして配合し、同一の条件で硬化させ同様の評価を
行なった。結果を表１に示す。Comparative Example 1 From Fruiting Example 1, the antioxidants GA-80 and HOA were mixed in smaller amounts, cured under the same conditions, and evaluated in the same way. The results are shown in Table 1.
実施例２〜５ 表１に示す配合について実施例１と同様に評価した。Examples 2-5 The formulations shown in Table 1 were evaluated in the same manner as in Example 1.
比較例２〜１０ 表１に示す配合について実施例１と同様書と評価した。Comparative examples 2 to 10 The formulation shown in Table 1 was evaluated as being similar to Example 1.
（発明の効果）
本発明−こより、黄着色を低減して白色度を高めしかも
耐候性に優れたエポキシ樹脂を用いた人造大理石が得ら
れる。(Effects of the Invention) The present invention provides artificial marble using an epoxy resin that reduces yellowing, increases whiteness, and has excellent weather resistance.
Claims (1)
促進剤、（Ｄ）充填剤からなりさらに安定剤として（Ｅ
）ヒンダードフェノール系酸化防止剤、（Ｆ）有機フォ
スファイト系酸化防止剤および、（Ｇ）シアノアクリレ
ート系紫外線吸収剤を含有するエポキシ樹脂を用いた人
造大理石。 ２、エポキシ樹脂１００重量部に対して酸無水物の配合
量が８０〜１００重量部の範囲内である特許請求の範囲
第１項記載のエポキシ樹脂を用いた人造大理石。 ３、充填剤が、紫外線を吸収し金属酸化物を含有する紫
外線吸収ガラス粉末である特許請求の範囲第１項記載の
エポキシ樹脂を用いた人造大理石。[Claims] 1. Consists of (A) epoxy resin, (B) acid anhydride, (C) hardening accelerator, and (D) filler, and further contains (E) as a stabilizer.
) Artificial marble using an epoxy resin containing a hindered phenolic antioxidant, (F) an organic phosphite antioxidant, and (G) a cyanoacrylate ultraviolet absorber. 2. Artificial marble using an epoxy resin according to claim 1, wherein the amount of acid anhydride is in the range of 80 to 100 parts by weight based on 100 parts by weight of the epoxy resin. 3. The artificial marble using an epoxy resin according to claim 1, wherein the filler is an ultraviolet-absorbing glass powder that absorbs ultraviolet rays and contains a metal oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP554890A JPH03208844A (en) | 1990-01-12 | 1990-01-12 | Artificial marble produced by using epoxy resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP554890A JPH03208844A (en) | 1990-01-12 | 1990-01-12 | Artificial marble produced by using epoxy resin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03208844A true JPH03208844A (en) | 1991-09-12 |
Family
ID=11614245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP554890A Pending JPH03208844A (en) | 1990-01-12 | 1990-01-12 | Artificial marble produced by using epoxy resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03208844A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04182337A (en) * | 1990-11-16 | 1992-06-29 | Nitto Boseki Co Ltd | Marbly thermosetting resin composite molded body |
| US5795927A (en) * | 1996-05-17 | 1998-08-18 | Morton International, Inc. | Color stable wrinkle finish epoxy powder coating |
| GB2374601A (en) * | 2001-04-21 | 2002-10-23 | Alan J Bennetts | High Strength Universal Bonding and Filling System |
| WO2005044459A1 (en) * | 2003-11-05 | 2005-05-19 | Tri E Holding, Llc | Ultraviolet absorption and radiation shielding for raw materials and products |
| WO2009096507A1 (en) * | 2008-01-31 | 2009-08-06 | Sekisui Chemical Co., Ltd. | Resin composition and multilayer resin film employing the same |
-
1990
- 1990-01-12 JP JP554890A patent/JPH03208844A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04182337A (en) * | 1990-11-16 | 1992-06-29 | Nitto Boseki Co Ltd | Marbly thermosetting resin composite molded body |
| US5795927A (en) * | 1996-05-17 | 1998-08-18 | Morton International, Inc. | Color stable wrinkle finish epoxy powder coating |
| GB2374601A (en) * | 2001-04-21 | 2002-10-23 | Alan J Bennetts | High Strength Universal Bonding and Filling System |
| WO2005044459A1 (en) * | 2003-11-05 | 2005-05-19 | Tri E Holding, Llc | Ultraviolet absorption and radiation shielding for raw materials and products |
| WO2009096507A1 (en) * | 2008-01-31 | 2009-08-06 | Sekisui Chemical Co., Ltd. | Resin composition and multilayer resin film employing the same |
| JP5421786B2 (en) * | 2008-01-31 | 2014-02-19 | 積水化学工業株式会社 | Resin composition and laminated resin film using the same |
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