JPH1135813A - Unsaturated polyester resin composition excellent in plating property and production of molding product using the same - Google Patents
Unsaturated polyester resin composition excellent in plating property and production of molding product using the sameInfo
- Publication number
- JPH1135813A JPH1135813A JP9195686A JP19568697A JPH1135813A JP H1135813 A JPH1135813 A JP H1135813A JP 9195686 A JP9195686 A JP 9195686A JP 19568697 A JP19568697 A JP 19568697A JP H1135813 A JPH1135813 A JP H1135813A
- Authority
- JP
- Japan
- Prior art keywords
- polyester resin
- unsaturated polyester
- resin composition
- block copolymer
- styrene
- 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)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、不飽和ポリエステ
ル樹脂組成物及びそれを用いたメッキされた成形品の製
造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an unsaturated polyester resin composition and a method for producing a plated molded article using the same.
【０００２】[0002]
【従来の技術】不飽和ポリエステル樹脂成形品は、優れ
た機械的強度、耐熱性、耐水性、耐薬品性を有する上に
生産性が高く、例えば浴槽、浴室パネル、水タンクパネ
ル、浄化槽、キッチンカウンタートップ等に広く利用さ
れている。近年、不飽和ポリエステル系シートモールデ
ィングコンパウンド（ＳＭＣ）あるいはバルクモールデ
ィングコンパウンド（ＢＭＣ）が、自動車外板、外装用
プラスチック材料として脚光を浴び、例えばトランクリ
ッド、ルーフ、フェンダー等の主要材外板やスポイラー
等の主要外板やスポイラー等の外装部品にも使用される
に至っている。自動車外板、外装に用いられるＳＭＣあ
るいはＢＭＣは、特に高い表面平滑性が要求されてお
り、近年その成形品にメッキを施した製品が注目を浴び
ており、トラックのフロントパネル等に利用されてい
る。この工法は、ＳＭＣ成形品に無電解メッキされやす
い塗料をインモールドコート（ＩＭＣ）工法で塗装し、
無電解メッキを経て電気メッキを行っている。（特開平
４−２２８５９２号公報）。しかしながら、従来行われ
ている技術は、ＩＭＣ塗料が無電解メッキされやすくな
ければならず、塗料の選択技が少なく制約が大きい。ま
た、ＩＭＣ工法は、ＳＭＣ等の圧縮成形途中で塗料を金
型内に注入する方法であり、注入するための設備や成形
条件の制約が多い。また、この工法は、ＩＭＣ塗膜が表
面にしか形成されないため、メッキが成形品の表面側に
しか施せない。このため、表裏面共にメッキする場合に
は、ＩＭＣ塗膜のない面にメッキされやすい塗料を吹き
付けた後、メッキを行っている。次に、ＩＭＣ工法を用
いるためには成形品の形状に制約が多い。すなわち、圧
縮成形中にＩＭＣ塗料を成形品の上面に流すため、流す
面に段差や垂直に近い面があると、塗料の流れが遮断さ
れたり塗膜厚さが薄くなったりする。このように、従来
技術では多くの問題を併せ持ち、不飽和ポリエステル樹
脂成形品のメッキ製品開発の大きな障壁の一つとなって
いる。2. Description of the Related Art Unsaturated polyester resin molded products have excellent mechanical strength, heat resistance, water resistance, chemical resistance and high productivity. For example, bathtubs, bathroom panels, water tank panels, septic tanks, kitchens Widely used for counter tops and the like. 2. Description of the Related Art In recent years, unsaturated polyester sheet molding compounds (SMC) or bulk molding compounds (BMC) have been spotlighted as automotive exterior panels and exterior plastic materials, such as trunk panels, roofs, fenders, and other major materials, and spoilers. It has also been used for exterior parts such as main outer panels and spoilers. SMC or BMC used for automobile outer panels and exteriors is required to have particularly high surface smoothness, and in recent years, products obtained by plating molded products have been receiving attention, and are used for truck front panels and the like. I have. This method uses an in-mold coating (IMC) method to apply paint that is easily electrolessly plated on SMC molded products.
Electroplating is performed after electroless plating. (JP-A-4-228592). However, in the conventional techniques, the IMC paint must be easily electrolessly plated, and there are few techniques for selecting the paint and the restrictions are large. In addition, the IMC method is a method of injecting a paint into a mold during compression molding of SMC or the like, and there are many restrictions on equipment for injecting and molding conditions. Further, in this method, since the IMC coating film is formed only on the surface, plating can be performed only on the surface side of the molded product. For this reason, when plating on both the front and back surfaces, plating is performed after spraying a paint that is easily plated on the surface without the IMC coating film. Next, in order to use the IMC method, there are many restrictions on the shape of a molded product. That is, since the IMC paint flows on the upper surface of the molded product during the compression molding, if there is a step or a nearly vertical surface in the flow surface, the flow of the paint is interrupted or the coating film thickness becomes thin. As described above, the conventional technology has many problems and is one of the major obstacles in developing a plated product of an unsaturated polyester resin molded product.
【０００３】[0003]
【発明が解決しようとする課題】本発明はかかる状況に
鑑みなされたもので、不飽和ポリエステル樹脂組成物の
組成を規定することにより、この組成物を含む混和物を
用いて成形した成形品に、無電解メッキを経て電気メッ
キを可能にした不飽和ポリエステル樹脂成形品を提供す
ることにある。SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and by defining the composition of an unsaturated polyester resin composition, a molded article molded using an admixture containing this composition is obtained. It is another object of the present invention to provide an unsaturated polyester resin molded article which is capable of electroplating through electroless plating.
【０００４】[0004]
【課題を解決するための手段】すなわち本発明は、不飽
和ポリエステル樹脂、ビニル単量体、芳香族ビニル／共
役ジエンブロック共重合体、炭酸カルシウムおよび耐薬
品性の良い充填材を含有することを特徴とする不飽和ポ
リエステル樹脂組成物並びに該組成物からなる成形材料
でえられた成形品にメッキを施す方法に関する。上記不
飽和ポリエステル樹脂組成物は、優れた機械的強度、耐
熱性、耐水性、耐薬品性を示す上に、特に自動車外板へ
の適用に必要な高面品質性（表面平滑性）及び、速硬化
性を有し、併せて非常に良好な保存安定性を示す。ま
た、この不飽和ポリエステル樹脂組成物と共にガラス繊
維、例えば１／４インチ〜４インチの長さのものが全組
成物当たり１０〜４０重量％となるように、ガラス繊維
に含浸させて得られるシート状あるいはバルク状の成形
材料は、自動車外板、外装部品を製造する際の成形材料
として有用である。更に、この成形材料は、優れた表面
平滑性（波打ちが少ない、あるいはリブ・ボス部のひけ
が小さい）を有する成形品）を与え、この成形品は、通
常のＡＢＳ樹脂等のメッキで用いられている化学エッチ
ング処理、無電解メッキ、を経て電気メッキを行うこと
ができる。これで得られたメッキ成形品は、不飽和ポリ
エステル樹脂成形品本来の優れた表面平滑性を損なうこ
となく、メッキ面が得られるため、特に自動車外板への
適用に有用である。That is, the present invention provides an unsaturated polyester resin, a vinyl monomer, an aromatic vinyl / conjugated diene block copolymer, calcium carbonate and a filler having good chemical resistance. The present invention relates to a method for plating a molded article obtained from a characteristic unsaturated polyester resin composition and a molding material comprising the composition. The unsaturated polyester resin composition has excellent mechanical strength, heat resistance, water resistance, and chemical resistance, as well as high surface quality (surface smoothness) particularly required for application to automobile outer panels, and It has fast curing properties and also exhibits very good storage stability. Further, a sheet obtained by impregnating glass fiber together with the unsaturated polyester resin composition so that glass fiber, for example, one having a length of 1/4 inch to 4 inches becomes 10 to 40% by weight of the total composition. Shaped or bulk-shaped molding materials are useful as molding materials for manufacturing automobile outer panels and exterior parts. Further, this molding material gives excellent surface smoothness (a molded product having little waving or a small sink of the rib / boss portion), and this molded product is used for plating of ordinary ABS resin or the like. Electroplating can be performed through chemical etching and electroless plating. The plated product obtained in this way can provide a plated surface without impairing the excellent surface smoothness inherent in the unsaturated polyester resin molded product, and is particularly useful for application to automobile outer panels.
【０００５】[0005]
【発明の実施の形態】本発明で用いる不飽和ポリエステ
ル樹脂は、α、β−不飽和二塩基酸と２価のグリコール
の縮合で合成されるものである。該不飽和ポリエステル
樹脂の合成には、従来から知られているように、これら
２成分の他に飽和二塩基酸や二塩基酸と反応するジシク
ロペンタジエン等も併用することができる。 α、β−
不飽和二塩基酸の例としては、マレイン酸、フマル酸、
ハロゲン化無水マレイン酸等が挙げられる。併用される
飽和二塩基酸の例としては、フタル酸、無水フタル酸、
イソフタル酸、テレフタル酸、ハロゲン化無水フタル
酸、コハク酸、アジピン酸等が挙げられる。２価のグリ
コールの例としては、エチレングリコール、ジエチレン
グリコール、プロピレングリコール、１，３−ブタンジ
オール、１，４−ブタンジオール、ネオペンチルグリコ
ール、水添ビスフェノールＡ、１，６−ヘキサンジオー
ル等が挙げられる。本発明で用いるビニル単量体として
は、例えば、スチレン、ビニルトルエン等が挙げられ
る。これらのビニル単量体は、通常、希釈剤として前述
した不飽和ポリエステル樹脂や後述する芳香族ビニル／
共役ジエンブロック共重合体に配合されるか、またはそ
のまま添加される。本発明で用いる芳香族ビニル／共役
ジエンブロック共重合体としては、スチレン／ブタジエ
ン／スチレンブロック共重合体等が挙げられる。この芳
香族ビニル／共役ジエンブロック共重合体は、上記の重
合体をカルボキシ変性したものでもよい。本発明で用い
る炭酸カルシウムは、従来から不飽和ポリエステル樹脂
組成物に用いられている粒子径０．１〜２００μｍ（望
ましくは０．１〜１０μｍ）のものを用いることができ
る。本発明で用いる耐薬品性の良い充填材としては、水
酸化アルミニウム、ガラスビーズ、シリカ、プラスチッ
クバルーンを用いることができる。BEST MODE FOR CARRYING OUT THE INVENTION The unsaturated polyester resin used in the present invention is synthesized by condensation of an α, β-unsaturated dibasic acid and a divalent glycol. In the synthesis of the unsaturated polyester resin, a saturated dibasic acid or dicyclopentadiene which reacts with a dibasic acid can be used in addition to these two components as conventionally known. α, β-
Examples of unsaturated dibasic acids include maleic acid, fumaric acid,
And halogenated maleic anhydride. Examples of the saturated dibasic acid used in combination include phthalic acid, phthalic anhydride,
Isophthalic acid, terephthalic acid, halogenated phthalic anhydride, succinic acid, adipic acid and the like. Examples of the divalent glycol include ethylene glycol, diethylene glycol, propylene glycol, 1,3-butanediol, 1,4-butanediol, neopentyl glycol, hydrogenated bisphenol A, 1,6-hexanediol, and the like. . Examples of the vinyl monomer used in the present invention include styrene and vinyl toluene. These vinyl monomers are usually used as a diluent for the above-mentioned unsaturated polyester resin or aromatic vinyl /
It is blended with the conjugated diene block copolymer or added as it is. Examples of the aromatic vinyl / conjugated diene block copolymer used in the present invention include styrene / butadiene / styrene block copolymer. The aromatic vinyl / conjugated diene block copolymer may be a carboxy-modified one of the above polymer. As the calcium carbonate used in the present invention, those having a particle diameter of 0.1 to 200 μm (preferably 0.1 to 10 μm) conventionally used in unsaturated polyester resin compositions can be used. As the filler having good chemical resistance used in the present invention, aluminum hydroxide, glass beads, silica, and plastic balloon can be used.
【０００６】本発明の不飽和ポリエステル樹脂組成物
は、必要に応じて重合禁止作用を示す化合物、有機過酸
化物、増粘剤、離型剤、顔料を配合することができる。
有機過酸化物としては、ターシャリブチルペルオキシベ
ンゾエート、ターシャリブチルイソプロピルカーボネー
ト等が挙げられる。増粘剤としては、マグネシウム、カ
ルシウムの酸化物または水酸化物が挙げられる。離型剤
として、ステアリン酸、ミスチリン酸等の脂肪酸、ステ
アリン酸亜鉛、ステアリン酸カルシウム等の脂肪酸金属
塩等の界面活性剤等が用いられる。本発明の不飽和ポリ
エステル樹脂組成物は、必要に応じて、充填剤、増粘
剤、顔料を配合することができる。充填剤としては、炭
酸カルシウム、水酸化アルミニウム、クレー、ガラスバ
ルーン、シリカ、プラスチックバルーン等が挙げられ
る。増粘剤としては、マグネシウム、カルシウムの酸化
物または水酸化物が挙げられる。離型剤としては、ステ
アリン酸、ミスチリン酸等の脂肪酸、ステアリン酸亜
鉛、ステアリン酸カルシウム等の脂肪酸金属塩、リン酸
エステル等の界面活性剤等が用いられる。このような各
種配合物が配合された不飽和ポリエステル樹脂組成物
は、通常の手段、装置を用いてガラス繊維（例えば繊維
径８〜２０μｍで長さが１／４〜４インチのもの）に含
浸させることにより、シート状のシートモールディング
コンパウンド（ＳＭＣ）、あるいはバルク状のバルクモ
ールディングコンパウンド（ＢＭＣ）等の成形材料とす
ることができる。ガラス繊維は、通常、不飽和ポリエス
テル樹脂組成物全量に対して、１０〜４０重量％が配合
される。本発明の成形材料は、金型中で加熱圧縮（圧力
２０〜１３０ｋｇｆ／ｃｍ2 、温度１１０〜１８０°）
して硬化させることにより、成形品を製造することがで
きる。The unsaturated polyester resin composition of the present invention may optionally contain a compound having a polymerization inhibiting action, an organic peroxide, a thickener, a release agent, and a pigment.
Examples of the organic peroxide include tertiary butyl peroxybenzoate, tertiary butyl isopropyl carbonate, and the like. Thickeners include magnesium or calcium oxides or hydroxides. As the release agent, surfactants such as fatty acids such as stearic acid and mystyric acid, and metal salts of fatty acids such as zinc stearate and calcium stearate are used. The unsaturated polyester resin composition of the present invention may optionally contain a filler, a thickener, and a pigment. Examples of the filler include calcium carbonate, aluminum hydroxide, clay, glass balloon, silica, plastic balloon and the like. Thickeners include magnesium or calcium oxides or hydroxides. Examples of the release agent include fatty acids such as stearic acid and mystyric acid, metal salts of fatty acids such as zinc stearate and calcium stearate, and surfactants such as phosphate esters. The unsaturated polyester resin composition containing such various compounds is impregnated into glass fibers (for example, having a fiber diameter of 8 to 20 μm and a length of 1/4 to 4 inches) by using ordinary means and equipment. By doing so, a molding material such as a sheet-like sheet molding compound (SMC) or a bulk-like bulk molding compound (BMC) can be obtained. The glass fiber is usually blended in an amount of 10 to 40% by weight based on the total amount of the unsaturated polyester resin composition. The molding material of the present invention is heated and compressed in a mold (pressure 20 to 130 kgf / cm 2 , temperature 110 to 180 °).
Then, the molded product can be manufactured by curing.
【０００７】上記で得られた成形品をＡＢＳ樹脂等の通
常のメッキ処理、すなわち、脱脂、水洗、エッチング、
水洗、感応性付与、水洗、活性化付与、水洗、化学メッ
キ（無電解メッキ）、水洗、ストライクメッキ、水洗、
電気銅メッキ、水洗、電気ニッケルメッキ、水洗、電気
クロムメッキ、水洗、乾燥、の順で行われる処理により
高表面平滑なメッキ成形品を得ることができる。また、
本発明の不飽和ポリエステル樹脂組成物の構成要素であ
る、不飽和ポリエステル樹脂、ビニル単量体、芳香族ビ
ニル／共役ジエンブロック共重合体、炭酸カルシウム、
耐薬品性の良い充填材のうち一つでも欠けると、それを
成形した成形品に本発明で述べている通常のメッキ方法
でメッキすることが困難となる。本発明で得られた不飽
和ポリエステル樹脂成形品をメッキするために、化学エ
ッチングを行うが、この際炭酸カルシウム、芳香族ビニ
ル／共役ジエンブロック共重合体が侵され、また、耐薬
品性の良い充填材は侵されないため、表面に多数の微細
な穴が開く。メッキ工程でこれらのアンカー状の穴にメ
ッキ層が強固に付着し、密着性良好な表面が平滑なメッ
キ面が得られる。以下本発明を実施例により説明する。[0007] The molded article obtained above is subjected to a usual plating treatment of an ABS resin or the like, that is, degreasing, washing with water, etching,
Water washing, sensitivity imparting, water washing, activation imparting, water washing, chemical plating (electroless plating), water washing, strike plating, water washing,
A plated product having a high surface smoothness can be obtained by performing the processes of electrolytic copper plating, water washing, electric nickel plating, water washing, electrochromic plating, water washing, and drying in this order. Also,
Constituents of the unsaturated polyester resin composition of the present invention, an unsaturated polyester resin, a vinyl monomer, an aromatic vinyl / conjugated diene block copolymer, calcium carbonate,
If at least one of the fillers having good chemical resistance is lacking, it becomes difficult to plate a molded product obtained by molding the same by the usual plating method described in the present invention. In order to plate the unsaturated polyester resin molded product obtained in the present invention, chemical etching is performed. At this time, calcium carbonate and an aromatic vinyl / conjugated diene block copolymer are attacked, and chemical resistance is good. Since the filler is not attacked, many fine holes are opened in the surface. In the plating step, a plating layer is firmly adhered to these anchor-shaped holes, and a plated surface having good adhesion and a smooth surface is obtained. Hereinafter, the present invention will be described with reference to examples.
【０００８】[0008]
実施例１ 表１に示す組成でシートモールディングコンパウンド
（ＳＭＣ）を調整した。各ＳＭＣを圧力１００ｋｇｆ／
ｃｍ2 、金型温度１５０°で所定の条件下で加圧し、板
状（５００×３００×２．５ｍｍ）の成形品を製造し
た。なお比較例は、本発明の必須成分である芳香族ビニ
ル／共役ジエンブロック共重合体、耐薬品性の良い充填
材、炭酸カルシウムを使用しないものから成形品を示
す。また、表２には実施したメッキ工程を示す。成形品
の表面平滑性は、米国アシュランド社製、表面平滑性測
定機ルローリアを用い、該成形品の中央１０×１０イン
チの面積について測定した、測定値は小さいほど表面平
滑性が良好であることを示す。表面粗さは、ＪＩＳ−Ｂ
−０６０１に基づく中心線平均粗さ（Ｒａ）である。密
着性は、メッキ層にカッターナイフで１０ｍｍの傷を付
け、その端部を引っ張り試験機のチャックに挟み、９０
°の角度で引張り試験を行い、密着力を測定した。Example 1 A sheet molding compound (SMC) was prepared with the composition shown in Table 1. Each SMC has a pressure of 100kgf /
cm 2, mold temperature 150 pressurized under predetermined conditions in °, to produce a molded article of the plate (500 × 300 × 2.5mm). The comparative example shows a molded article from an aromatic vinyl / conjugated diene block copolymer which is an essential component of the present invention, a filler having good chemical resistance, and a composition not using calcium carbonate. Table 2 shows the plating steps performed. The surface smoothness of the molded product was measured on an area of 10 × 10 inches at the center of the molded product using a surface smoothness measuring device Luloria, manufactured by Ashland of the United States. The smaller the measured value, the better the surface smoothness Indicates that Surface roughness is JIS-B
The center line average roughness (Ra) based on −0601. The adhesion was measured by making a 10 mm scratch on the plating layer with a cutter knife, and sandwiching the end with a chuck of a tensile tester.
A tensile test was performed at an angle of ° to measure the adhesion.
【０００９】[0009]
【表１】 表１において、 不飽和ポリエステル樹脂：日立化成工業商品名、ポリセット９１２０ スチレン／ブタジエン／スチレンブロック共重合体 ：シエルジャパン製商品名、クレイトンＤ−ＫＸ４１０ＣＳ 飽和ポリエステル ：日立化成工業商品名、ポリセットＢ９２０１ 炭酸カルシウム ：日東粉化工業製商品名、Ｓ−ｌｉｔｅ １２００ 水酸化アルミニウム ：昭和電工製商品名、ハイジライトＨ−３１ 離型剤 ：ステアリン酸亜鉛 増粘剤 ：酸化マグネシウム ガラス繊維 ：繊維径１３μｍ、長さ１インチ[Table 1] In Table 1, unsaturated polyester resin: trade name of Hitachi Chemical Co., Ltd., Polyset 9120 Styrene / butadiene / styrene block copolymer: trade name of Ciel Japan, Clayton D-KX410CS Saturated polyester: trade name of Hitachi Chemical Co., Ltd., polyset B9201 Calcium carbonate: trade name, manufactured by Nitto Powder Chemical Industries, S-lite 1200 Aluminum hydroxide: trade name, manufactured by Showa Denko, Heidilite H-31 Release agent: zinc stearate Thickener: magnesium oxide Glass fiber: fiber diameter 13 μm, 1 inch long
【００１０】[0010]
【表２】 [Table 2]
【００１１】[0011]
【発明の効果】本発明によれば、表面粗さが小さく平滑
性に優れメッキ特性の良好な成形品を提供することが可
能になる。According to the present invention, it is possible to provide a molded product having small surface roughness, excellent smoothness, and excellent plating characteristics.
Claims (5)
芳香族ビニル／共役ジエンブロック共重合体、炭酸カル
シウムおよび耐薬品性の良い充填材を含有することを特
徴とする不飽和ポリエステル樹脂組成物。1. An unsaturated polyester resin, a vinyl monomer,
An unsaturated polyester resin composition comprising an aromatic vinyl / conjugated diene block copolymer, calcium carbonate, and a filler having good chemical resistance.
体が、スチレン／ブタジエン／スチレンブロック共重合
体である請求項１記載の不飽和ポリエステル樹脂組成
物。2. The unsaturated polyester resin composition according to claim 1, wherein the aromatic vinyl / conjugated diene block copolymer is a styrene / butadiene / styrene block copolymer.
ある請求項１記載の不飽和ポリエステル樹脂組成物。3. The unsaturated polyester resin composition according to claim 1, wherein the filler having good chemical resistance is aluminum hydroxide.
り、且つ芳香族ビニル／共役ジエンブロック共重合体
が、スチレン／ブタジエン／スチレンブロック共重合体
である請求項１記載の不飽和ポリエステル樹脂組成物。4. The unsaturated material according to claim 1, wherein the filler having good chemical resistance is aluminum hydroxide, and the aromatic vinyl / conjugated diene block copolymer is a styrene / butadiene / styrene block copolymer. Polyester resin composition.
成物を含む混和物を金型内において加熱・加圧成形し、
次いで、得られた成形品を金型から取り出した後、該成
形品にメッキを施すことを特徴とする成形品の製造方
法。5. A mixture containing the unsaturated polyester resin composition according to claim 1, which is heated and pressed in a mold.
Next, after removing the obtained molded product from the mold, the molded product is plated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9195686A JPH1135813A (en) | 1997-07-22 | 1997-07-22 | Unsaturated polyester resin composition excellent in plating property and production of molding product using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9195686A JPH1135813A (en) | 1997-07-22 | 1997-07-22 | Unsaturated polyester resin composition excellent in plating property and production of molding product using the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1135813A true JPH1135813A (en) | 1999-02-09 |
Family
ID=16345321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9195686A Pending JPH1135813A (en) | 1997-07-22 | 1997-07-22 | Unsaturated polyester resin composition excellent in plating property and production of molding product using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1135813A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001059006A3 (en) * | 2000-02-09 | 2002-03-14 | Avonite Inc | Unsaturated polyester resin modified with a block copolymer |
| WO2019116691A1 (en) * | 2017-12-11 | 2019-06-20 | 昭和電工株式会社 | Unsaturated polyester resin composition, molded article containing cured product thereof, and lamp reflector including said molded article |
-
1997
- 1997-07-22 JP JP9195686A patent/JPH1135813A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001059006A3 (en) * | 2000-02-09 | 2002-03-14 | Avonite Inc | Unsaturated polyester resin modified with a block copolymer |
| WO2019116691A1 (en) * | 2017-12-11 | 2019-06-20 | 昭和電工株式会社 | Unsaturated polyester resin composition, molded article containing cured product thereof, and lamp reflector including said molded article |
| CN111201280A (en) * | 2017-12-11 | 2020-05-26 | 昭和电工株式会社 | Unsaturated polyester resin composition, molded article containing cured product thereof, and lamp reflector containing the molded article |
| JPWO2019116691A1 (en) * | 2017-12-11 | 2020-12-24 | 昭和電工株式会社 | An unsaturated polyester resin composition, a molded product containing the cured product thereof, and a lamp reflector containing the molded product. |
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