JPH1160839A - Polyolefin resin composition and marble grain building material made therefrom - Google Patents
Polyolefin resin composition and marble grain building material made therefromInfo
- Publication number
- JPH1160839A JPH1160839A JP9224653A JP22465397A JPH1160839A JP H1160839 A JPH1160839 A JP H1160839A JP 9224653 A JP9224653 A JP 9224653A JP 22465397 A JP22465397 A JP 22465397A JP H1160839 A JPH1160839 A JP H1160839A
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- Prior art keywords
- weight
- ethylene
- polyolefin resin
- parts
- pattern
- 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.)
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- Finishing Walls (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ポリオレフィン樹
脂組成物およびこれを用いた石目調建材に関し、特に屋
外または屋内の床面上に敷設するのに好適な床化粧材に
利用した場合、石目調外観、耐衝撃性、低成形収縮性に
優れたポリオレフィン樹脂組成物およびこれを用いた石
目調建材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyolefin resin composition and a stone-grained building material using the same, and particularly to a stone flooring material suitable for laying on an outdoor or indoor floor. The present invention relates to a polyolefin resin composition having excellent appearance, impact resistance, and low molding shrinkage, and a stone-grained construction material using the same.
【０００２】[0002]
【従来の技術】従来、床化粧材としてはポリエチレン、
エチレンー酢酸ビニル共重合体等を用いた支持体上面に
タイル、木板、ゴムチップ集成材、コルク集成材等の化
粧材を固定したものや、支持体部と化粧材部をポリエチ
レン、エチレンー酢酸ビニル共重合体等で一体成形した
ものが知られている。2. Description of the Related Art Conventionally, floor covering materials are polyethylene,
Fixing materials such as tile, wood board, rubber chip glue, cork glue, etc. are fixed on the upper surface of the support made of ethylene-vinyl acetate copolymer, etc., and the support and the decorative material are made of polyethylene, ethylene-vinyl acetate copolymer. What was integrally formed by unification etc. is known.
【０００３】また、成形品表面に凹凸模様を付与した石
目調印刷シートを貼り付けたもの、および成形品表面に
石目調印刷したものが知られている。[0003] Further, there are also known those in which a grain-like printed sheet having a concavo-convex pattern attached to the surface of a molded article and those in which a grain-like pattern is printed on the surface of the molded article.
【０００４】[0004]
【発明が解決しようとする課題】ポリエチレンやエチレ
ンー酢酸ビニル共重合体は成形性および柔軟性が必要な
ために多く用いられているが、成形品表面の凹凸模様を
形成しても光沢が残り、プラスチック質感を有しており
良好な風合いの成形品が得られなかった。[0007] Polyethylene and ethylene-vinyl acetate copolymer are often used because they require moldability and flexibility, but gloss remains even when an uneven pattern is formed on the surface of the molded article. A molded article having a plastic texture and good texture could not be obtained.
【０００５】また印刷シートを貼り付けたものは製品表
面の凹凸模様が小さくなり光沢が発現し、凹凸表面に印
刷したものは部分的にしか印刷が出来ず良好な風合いの
ものが得られず、かといって平滑表面に印刷すると光沢
があるため石目調にならないという問題点があった。On the other hand, when a printed sheet is adhered, the unevenness pattern on the product surface becomes small and gloss is developed, and when printed on the uneven surface, printing can be performed only partially and good texture cannot be obtained. On the other hand, there is a problem in that printing on a smooth surface does not give a stone-like tone due to glossiness.
【０００６】本発明は、上記の問題点を解決するために
鑑みなされたもので、成形品外観が艶消し状の石目調外
観および質感を有する石目調建材が得られるポリオレフ
ィン樹脂組成物およびこれ用いた石目調建材を提供する
ことを目的とする。The present invention has been made in order to solve the above-mentioned problems, and a polyolefin resin composition and a polyolefin resin composition capable of obtaining a stone-grained building material having a matte stone-grained appearance and texture in the appearance of a molded product. The purpose is to provide a stone-grained building material using this.
【０００７】[0007]
【課題を解決するための手段】本発明は上記課題を解決
するものであって、請求項１の発明はポリプロピレンチ
５０〜９０重量％、エチレンープロピレン共重合体ゴム
１０〜５０重量％を含有するポリオレフィン樹脂に着色
用顔料およびポリオレフィン樹脂１００重量部に対し模
様形成粉状体を０．３〜１．０重量部の割合で配合した
ことを特徴とする。請求項２の発明は、請求項１の模様
形成粉状体が平均粒径５０〜２０００μｍの白色粉０．
０５〜０．２重量部、黒色粉０．１〜０．２重量部、赤
色粉０．０３〜０．０７重量部の割合で配合したことを
特徴とする。請求項３の発明は、請求項１のポリオレフ
ィン樹脂組成物に基材となるポリオレフィン樹脂より溶
融温度が３０℃以上の模様形成樹脂を１〜５重量部の割
合で配合したことを特徴とする。請求項４の発明は、請
求項１から３に記載の組成物を射出成形により成形して
石目調建材とすることを特徴とする。The present invention solves the above-mentioned problems, and the invention of claim 1 contains 50 to 90% by weight of polypropylene and 10 to 50% by weight of ethylene-propylene copolymer rubber. The composition is characterized in that the pattern-forming powder is blended in a ratio of 0.3 to 1.0 part by weight with respect to 100 parts by weight of the coloring pigment and the polyolefin resin. According to a second aspect of the present invention, the pattern-forming powder of the first aspect is a white powder having an average particle size of 50 to 2000 μm.
It is characterized in that it is blended at a ratio of 0.5 to 0.2 parts by weight, 0.1 to 0.2 parts by weight of black powder, and 0.03 to 0.07 parts by weight of red powder. The invention of claim 3 is characterized in that the polyolefin resin composition of claim 1 is blended with 1 to 5 parts by weight of a pattern-forming resin having a melting temperature of 30 ° C. or higher than the polyolefin resin as the base material. The invention of claim 4 is characterized in that the composition according to any one of claims 1 to 3 is molded by injection molding to obtain a stone-grained building material.
【０００８】[0008]
【発明実施の形態】以下、本発明を詳細に説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail.
【０００９】本発明に用いられるポリプロピレンはホモ
ポリプロピレン、アイオノマー等の変性ポリプロピレ
ン、ランダム共重合ポリプロピレン、ブロック共重合ポ
リプロピレン、αオレフィン共重合ポリプロピレン等が
挙げられるが、エチレンープロピレン共重合体ゴムとの
相溶性の点からエチレン共重合ポリプロピレンが好まし
い。The polypropylene used in the present invention includes homopolypropylene, modified polypropylene such as ionomer, random copolymerized polypropylene, block copolymerized polypropylene, α-olefin copolymerized polypropylene, and the like. From the viewpoint of solubility, ethylene copolymerized polypropylene is preferred.
【００１０】また本発明に用いられるエチレンープロピ
レン共重合体ゴムは、エチレン：プロピレンの重量比が
４０：６０〜９０：１０のものが好ましく、さらに好ま
しくは５０：５０〜８０：２０のものである。このエチ
レン−プロピレン共重合ゴムは、非共役ジエン、例えば
ジシクロペンタジエン、エチリデンノルボルネン、ビニ
ルノルボルネン等が１種又は２種以上共重合されたエチ
レンープロピレンージエン共重合体ゴムを用いてもよ
い。エチレンープロピレン−ジエン共重合体ゴムのヨウ
素価は０〜３０が好ましく、１０〜１５が特に好まし
い。The ethylene-propylene copolymer rubber used in the present invention preferably has an ethylene: propylene weight ratio of 40:60 to 90:10, more preferably 50:50 to 80:20. is there. The ethylene-propylene copolymer rubber may be an ethylene-propylene diene copolymer rubber obtained by copolymerizing one or more non-conjugated dienes, for example, dicyclopentadiene, ethylidene norbornene, vinyl norbornene and the like. The iodine value of the ethylene-propylene-diene copolymer rubber is preferably from 0 to 30, and particularly preferably from 10 to 15.
【００１１】本発明においては、ポリプロピレンにエチ
レンープロピレン共重合体ゴムを１０〜５０重量％を配
合した組成物を用い、これを射出成形等により成形品を
得る。配合割合が１０重量％未満であると良好な艷消し
外観が得られず、５０重量％を越えると流動性が悪くな
リ射出成形等による成形性に劣り、良好な成形品が得ら
れにくくなる。In the present invention, a composition obtained by blending 10 to 50% by weight of ethylene-propylene copolymer rubber with polypropylene is used, and a molded product is obtained by injection molding or the like. If the compounding ratio is less than 10% by weight, a good matte appearance cannot be obtained, and if it exceeds 50% by weight, the flowability is poor and the moldability by re-injection molding or the like is inferior. .
【００１２】本発明に用いられる模様形成粒状体は、成
形後も粒形状を保持していればよく材質は指定しない。
ただし、有機系材料では熱硬化性樹脂粉状体が好まし
く、無機系材料ではセラミック系粒状体が好ましい。ま
た模様形成粒状体は平均粒径が５０〜２０００μｍのも
のが好ましく、１００〜１５００μｍのものが特に好ま
しい。The material of the pattern-forming granular material used in the present invention is not specified as long as it retains the granular shape after molding.
However, a thermosetting resin powder is preferable for an organic material, and a ceramic particle is preferable for an inorganic material. The pattern-forming granules preferably have an average particle size of 50 to 2000 μm, particularly preferably 100 to 1500 μm.
【００１３】本発明においては、ポリオレフィン樹脂１
００重量部に対し模様形成粉状体が０．３〜１．０重量
部の割合で配合した組成物を用い、これを射出成形等に
より成形品を得る。上記配合割合が０．３重量部未満で
あると良好な石目調外観が得られず、１．０重量部を越
えると耐衝撃性に劣り、良好な外観の成形品が得られな
くなる。模様形成粒状体として白色粉を０．０５〜０．
２重量部、黒色粉を０．１〜０．２重量部、赤色粉を
０．０３〜０．０７重量部の割合で配合したものが良好
な砂岩調外観が得られるので好ましい。In the present invention, the polyolefin resin 1
A molded product is obtained by injection molding or the like using a composition in which the pattern-forming powder is mixed in a ratio of 0.3 to 1.0 part by weight with respect to 00 parts by weight. If the mixing ratio is less than 0.3 parts by weight, a good grain-grained appearance cannot be obtained, and if it exceeds 1.0 part by weight, impact resistance is poor, and a molded article having a good appearance cannot be obtained. 0.05 to 0.
It is preferable to mix 2 parts by weight, 0.1 to 0.2 parts by weight of black powder, and 0.03 to 0.07 parts by weight of red powder because a good sandstone appearance can be obtained.
【００１４】本発明においては、ポリプロピレン５０〜
９０重量％、エチレンープロピレン共重合体ゴム１０〜
５０重量％を含有するポリオレフィン樹脂組成物に熱分
解型発泡剤を添加し、射出成形等で成形を行なうと良好
な艶消し外観を有する成形品が得られ、特に冷却時のヒ
ケを防止できる為、成形サイクルが短くなり成形効率が
よくなる。In the present invention, polypropylene 50 to
90% by weight, ethylene-propylene copolymer rubber
When a pyrolytic foaming agent is added to a polyolefin resin composition containing 50% by weight and molding is performed by injection molding or the like, a molded article having a good matte appearance is obtained, and in particular, sink on cooling can be prevented. In addition, the molding cycle is shortened and the molding efficiency is improved.
【００１５】本発明に用いられる模様形成樹脂は、基材
となるポリオレフィン樹脂よりも溶融温度が３０℃以上
の熱可塑性樹脂に顔料を配合したものが好ましく、溶融
温度が５０℃以上のものが特に好ましい。模様形成樹脂
に用いる熱塑性樹脂は特に制限はないが、ポリエステ
ル、ポリアミド、ポリウレタン等が挙げられる。また、
成形機や成形条件等により良好な大理石調を得る為にポ
リオレフィンを共重合およびブレンドした模様形成樹脂
を用いてもよい。The pattern forming resin used in the present invention is preferably a thermoplastic resin having a melting temperature of 30 ° C. or higher and a pigment mixed with a polyolefin resin as a base material, and particularly preferably a resin having a melting temperature of 50 ° C. or higher. preferable. The thermoplastic resin used for the pattern forming resin is not particularly limited, and examples thereof include polyester, polyamide, and polyurethane. Also,
A pattern-forming resin obtained by copolymerizing and blending a polyolefin may be used in order to obtain a good marble tone depending on a molding machine, molding conditions and the like.
【００１６】本発明においては、ポリオレフィン樹脂１
００重量部に対し、模様形成樹脂を１〜５重量部の割合
で配合した組成物を用い、射出成形等により成形品を得
る。上記配合割合が１重量部未満であると良好な石目調
外観、とくに大理石調外観が得られず、５重量部を越え
ると耐衝撃性に劣り、良好な成形品が得られない。In the present invention, the polyolefin resin 1
A molded product is obtained by injection molding or the like using a composition in which the pattern forming resin is blended in an amount of 1 to 5 parts by weight with respect to 00 parts by weight. If the proportion is less than 1 part by weight, a good grain-like appearance, particularly a marble-like appearance, cannot be obtained, and if it exceeds 5 parts by weight, impact resistance is poor and a good molded product cannot be obtained.
【００１７】[0017]
【実施例】以下、本発明の実施例を説明するが、本発明
は以下の実施例によりその範囲が限定されるものではな
い。EXAMPLES Examples of the present invention will be described below, but the scope of the present invention is not limited by the following examples.
【００１８】（実施例１）ランダム共重合ポリプロピレ
ン((株）トクヤマ製、商品名：ＭＳ６３０）５０重量％
と、エチレンープロピレン共重合体ゴム（エクソン化学
（株）製、商品名：ビスタロンＶＬ−３７０８Ｐ）５０
重量％のポリオレフィン樹脂１００重量部に対し、模様
形成材料０．５重量部、模様形成樹脂３．０重量部を添
加した組成物を射出成形機により床材状成形品を得た。(Example 1) 50% by weight of random copolymerized polypropylene (manufactured by Tokuyama Corporation, trade name: MS630)
And ethylene-propylene copolymer rubber (manufactured by Exxon Chemical Co., Ltd., trade name: Vistalon VL-3708P) 50
A floor material-like molded product was obtained by an injection molding machine using a composition obtained by adding 0.5 parts by weight of the pattern forming material and 3.0 parts by weight of the pattern forming resin to 100 parts by weight of the polyolefin resin of 100% by weight.
【００１９】（実施例２）ランダム共重合ポリプロピレ
ンに対するエチレンープロピレン共重合体ゴムの配合割
合を２０重量％とした以外は実施例１と同様にして成形
品を得た。Example 2 A molded product was obtained in the same manner as in Example 1 except that the mixing ratio of the ethylene-propylene copolymer rubber to the random copolymerized polypropylene was 20% by weight.
【００２０】（実施例３）エチレンープロピレン共重合
体ゴムの配合割合を１０重量％とした以外は実施例１と
同様にして成形品を得た。Example 3 A molded article was obtained in the same manner as in Example 1 except that the blending ratio of the ethylene-propylene copolymer rubber was changed to 10% by weight.
【００２１】（実施例４）模様形成粉状体の添加部数を
０．３重量部とした以外は実施例２と同様にして成形品
を得た。Example 4 A molded product was obtained in the same manner as in Example 2 except that the number of added parts of the pattern-forming powder was changed to 0.3 part by weight.
【００２２】（実施例５）模様形成粉状体の添加部数を
１．０重量部とした以外は実施例２と同様にして成形品
を得た。Example 5 A molded product was obtained in the same manner as in Example 2 except that the number of added parts of the pattern-forming powder was changed to 1.0 part by weight.
【００２３】（実施例６）模様形成樹脂の添加部数を
１．０重量部とした以外は実施例２と同様にして成形品
を得た。Example 6 A molded product was obtained in the same manner as in Example 2 except that the number of parts of the pattern forming resin was changed to 1.0 part by weight.
【００２４】（実施例７）模様形成樹脂の添加部数を
５．０重量部とした以外は実施例２と同様にして成形品
を得た。(Example 7) A molded product was obtained in the same manner as in Example 2 except that the number of added parts of the pattern forming resin was changed to 5.0 parts by weight.
【００２５】（比較例１）ランダム共重合ポリプロピレ
ン((株）トクヤマ製、商品名：ＭＳ６３０）５０重量％
と、エチレンープロピレン共重合体ゴム（エクソン化学
（株）製、商品名：ビスタロンＶＬ−３７０８Ｐ）６０
重量％のポリオレフィン樹脂１００重量部に対し、模様
形成材料０．５重量部、模様形成樹脂３．０重量部を添
加した組成物を射出成形機により床材状成形品を得た。(Comparative Example 1) 50% by weight of random copolymerized polypropylene (trade name: MS630, manufactured by Tokuyama Corporation)
And ethylene-propylene copolymer rubber (trade name: Vistalon VL-3708P, manufactured by Exxon Chemical Co., Ltd.) 60
A floor material-like molded product was obtained by an injection molding machine using a composition obtained by adding 0.5 parts by weight of the pattern forming material and 3.0 parts by weight of the pattern forming resin to 100 parts by weight of the polyolefin resin of 100% by weight.
【００２６】（比較例２）エチレンープロピレン共重合
体ゴムを全く配合しない以外は比較例１と同様にして成
形品を得た。Comparative Example 2 A molded product was obtained in the same manner as in Comparative Example 1 except that no ethylene-propylene copolymer rubber was added.
【００２７】（比較例３）模様形成粉状体の添加部数を
１．５重量部とした以外は比較例１と同様にして成形品
を得た。Comparative Example 3 A molded product was obtained in the same manner as in Comparative Example 1 except that the number of added parts of the pattern-forming powder was changed to 1.5 parts by weight.
【００２８】（比較例４）模様形成樹脂の添加部数を１
０重量部とした以外は比較例１と同様にして成形品を得
た。(Comparative Example 4) The number of added parts of the pattern forming resin was 1
A molded product was obtained in the same manner as in Comparative Example 1 except that the amount was 0 part by weight.
【００２９】得られた成形品の性能評価について、 （１）表面外観 ： 目視により表面外観を観察 （２）アイゾット衝撃値 ： ＪＩＳ Ｋ ７１１０に準拠して測定した 一２０℃でのアイゾット衝撃値 （ｋｇ−ｃｍ／ｃｍ2 ） （３）成形収縮率 ： 金型寸法と成形品寸法の差を金型寸法で除し て百分率で表わした数値（％） の項目に行い、以下の評価基準により評価した。Regarding the performance evaluation of the obtained molded article, (1) Surface appearance: visually observing the surface appearance (2) Izod impact value: Izod impact value at 120 ° C. measured in accordance with JIS K 7110 ( kg-cm / cm 2 ) (3) Mold shrinkage: The difference between the mold dimensions and the molded article dimensions is divided by the mold dimensions and the result is expressed in percentage (%), and evaluated according to the following evaluation criteria. did.
【００３０】 （１）表面外観 ○： 艶消 △： やや光沢あり ×： 光沢あり （２）耐衝撃性 （アイゾット衝撃値：ｋｇ−ｃｍ／ｃｍ2 ) ○： １０以上 △： ３〜９ ×： ２以下 （３）成形収縮 （成形収縮率：％） ○： １．０以下 △： ０．９〜１．５ ×： １．６以上 評価結果を表１に示す。(1) Surface appearance ○: matte △: slightly glossy ×: glossy (2) Impact resistance (Izod impact value: kg-cm / cm 2 ) ○: 10 or more △: 3 to 9 ×: 2 or less (3) Mold shrinkage (mold shrinkage:%) ○: 1.0 or less Δ: 0.9 to 1.5 ×: 1.6 or more The evaluation results are shown in Table 1.
【００３１】[0031]
【表１】 表１の結果から明らかなとおり、本発明のポリオレフィ
ン樹脂組成物を用いて射出成形して得られた床材は、表
面外観、耐衝撃性、成形収縮性のいずれも優れるのに対
し、比較例に示す床材は、表面外観、耐衝撃性、成形収
縮性のいずれかの性能が劣るものである。[Table 1] As is clear from the results in Table 1, the flooring material obtained by injection molding using the polyolefin resin composition of the present invention has excellent surface appearance, impact resistance, and molding shrinkage. Are poor in any of the surface appearance, impact resistance, and molding shrinkage.
【００３２】[0032]
【発明の効果】以上説明したように、本発明のオレフィ
ン樹脂組成物を用いて成形した建材は、表面外観、耐衝
撃性、成形収縮性に優れており、柔軟性に優れるため不
陸のある床面でも簡単に施工可能な石目調成形品を得る
ことができる。As described above, a building material molded using the olefin resin composition of the present invention is excellent in surface appearance, impact resistance and molding shrinkage, and is excellent in flexibility and therefore has unevenness. A stone-grained molded product that can be easily applied to a floor surface can be obtained.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 ＦＩ //(Ｃ０８Ｌ 23/10 23:16） Ｂ２９Ｋ 23:00 ──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. 6 Identification symbol FI // (C08L 23/10 23:16) B29K 23:00
Claims (4)
レンープロピレン共重合体ゴム１０〜５０重量％を含有
するポリオレフィン樹脂に着色用顔料およびポリオレフ
ィン樹脂１００重量部に対し模様形成粉状体を０．３〜
１．０重量部の割合で配合してなるポリオレフィン樹脂
組成物。1. A polyolefin resin containing 50 to 90% by weight of polypropylene and 10 to 50% by weight of an ethylene-propylene copolymer rubber and 0.3% of a pattern-forming powder to 100 parts by weight of a coloring pigment and the polyolefin resin. ~
A polyolefin resin composition blended in a ratio of 1.0 part by weight.
径５０〜２０００μｍの白色粉０．０５〜０．２重量
部、黒色粉０．１〜０．２重量部、赤色粉０．０３〜
０．０７重量部の割合で配合されてなるポリオレフィン
樹脂組成物。2. The pattern-forming powder according to claim 1, wherein the powder has a mean particle size of 50 to 2000 μm, 0.05 to 0.2 parts by weight, black powder 0.1 to 0.2 parts by weight, and red powder 0. .03-
A polyolefin resin composition blended in a proportion of 0.07 parts by weight.
物１００重量部に対し、基材となるポリオレフィン樹脂
より溶融温度が３０℃以上の模様形成樹脂を１〜５重量
部の割合で配合したポリオレフィン樹脂組成物。3. A polyolefin resin in which a pattern-forming resin having a melting temperature of 30 ° C. or higher is blended in a proportion of 1 to 5 parts by weight with respect to 100 parts by weight of the polyolefin resin composition according to claim 1. Composition.
射出成形により成形した石目調建材。4. A stone-grained building material obtained by molding the composition according to claim 1 by injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22465397A JP3203312B2 (en) | 1997-08-21 | 1997-08-21 | Polyolefin resin composition and stone-grained building material using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22465397A JP3203312B2 (en) | 1997-08-21 | 1997-08-21 | Polyolefin resin composition and stone-grained building material using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1160839A true JPH1160839A (en) | 1999-03-05 |
| JP3203312B2 JP3203312B2 (en) | 2001-08-27 |
Family
ID=16817103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22465397A Expired - Fee Related JP3203312B2 (en) | 1997-08-21 | 1997-08-21 | Polyolefin resin composition and stone-grained building material using the same |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3203312B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156996B2 (en) * | 2005-10-21 | 2015-10-13 | Valspar Sourcing, Inc. | Powder coloring system |
-
1997
- 1997-08-21 JP JP22465397A patent/JP3203312B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156996B2 (en) * | 2005-10-21 | 2015-10-13 | Valspar Sourcing, Inc. | Powder coloring system |
| US9528007B2 (en) | 2005-10-21 | 2016-12-27 | Valspar Sourcing, Inc. | Powder coloring system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3203312B2 (en) | 2001-08-27 |
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