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JPH0625539A - Colored resin particle for decorated molding - Google Patents

Colored resin particle for decorated molding

Info

Publication number
JPH0625539A
JPH0625539A JP1038692A JP1038692A JPH0625539A JP H0625539 A JPH0625539 A JP H0625539A JP 1038692 A JP1038692 A JP 1038692A JP 1038692 A JP1038692 A JP 1038692A JP H0625539 A JPH0625539 A JP H0625539A
Authority
JP
Japan
Prior art keywords
colored resin
resin particles
resin
liquid
colored
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.)
Withdrawn
Application number
JP1038692A
Other languages
Japanese (ja)
Inventor
Hiroyuki Murai
裕之 村井
Masao Imanishi
正夫 今西
Masayuki Kawashima
正幸 川嶋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yamaha Corp
Original Assignee
Yamaha Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yamaha Corp filed Critical Yamaha Corp
Priority to JP1038692A priority Critical patent/JPH0625539A/en
Publication of JPH0625539A publication Critical patent/JPH0625539A/en
Withdrawn legal-status Critical Current

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  • Compositions Of Macromolecular Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

PURPOSE:To obtain colored resin particles capable of approximating the gloss of the colored resin particles to that of a cured product of a polymerizable resin liquid for dispersing the colored resin particles, reducing the uneven luster of a substrate composed of the colored resin particles and the cured product of the polymerizable resin liquid for dispersing the colored resin particles and providing decorated moldings with a beautiful appearance. CONSTITUTION:This colored resin particles for decorated moldings are obtained by blending 100 pts.wt. mixed resin solution prepared by dissolving 10-50wt.% thermoplastic resin such as polymethyl methacrylate in 90-50wt.% uncured liquid thermosetting resin such as an unsaturated polyester resin with 100-200 pts.wt. filler such as aluminum hydroxide and 0-5 pts.wt. color pigment such as Fe2O3, further adding 0-1 pt.wt. curing accelerator and 0.5-2 pts.wt. radical curing agent to the obtained blend, curing the prepared mixture, crushing and classifying the cured product.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、擬石、テラゾー類、
花崗岩や大理石などの自然石に似た外観を有する繊維強
化樹脂成形品などの成形品の表面層などに用いられる加
飾成形品の着色樹脂粒子に関し、熱可塑性樹脂を未硬化
液状熱硬化性樹脂に溶解した混合樹脂液に、充填材と、
着色顔料とを配合したものを硬化させ、この硬化物を破
砕して加飾成形品用着色樹脂粒子とすることによって、
着色樹脂粒子とこれを分散させる重合性樹脂液の硬化物
との光沢を近似させ、着色樹脂粒子とこれを分散させる
重合性樹脂液の硬化物とからなる基材の艶斑を低減さ
せ、加飾成形品が美麗な外観を有するようにしたもので
ある。
BACKGROUND OF THE INVENTION This invention is applicable to artificial stones, terrazzoes,
Regarding colored resin particles of decorative molded products used for the surface layer of molded products such as fiber reinforced resin molded products that have the appearance similar to natural stone such as granite and marble, thermoplastic resin is an uncured liquid thermosetting resin In the mixed resin liquid dissolved in
By curing a mixture of a coloring pigment and crushing the cured product to give a colored resin particle for a decorative molded article,
The gloss of the colored resin particles and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed is approximated to reduce the gloss of the base material composed of the colored resin particles and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed. The decorative molded product has a beautiful appearance.

【0002】[0002]

【従来の技術】従来、このような加飾成形品の具体例と
して、いわゆる人造大理石が知られている。このもの
は、ポリメチルメタクリレートなどのアクリル樹脂をメ
タクリル酸メチルなどのアクリル酸エステルモノマーに
溶解した重合性樹脂液に、水酸化アルミニウムなどの無
機充填材と、着色樹脂粒子とを配合し、この配合物を硬
化したものである。着色樹脂粒子は、未硬化液状不飽和
ポリエステル樹脂に水酸化アルミニウムなどの無機充填
材と、着色剤とを加えたのち硬化させ、この硬化物を破
砕して得られるものである。
2. Description of the Related Art Conventionally, so-called artificial marble is known as a specific example of such a decorative molded product. This is a mixture of an acrylic resin such as polymethylmethacrylate dissolved in an acrylic acid ester monomer such as methylmethacrylate with an inorganic filler such as aluminum hydroxide and colored resin particles. It is a cured product. The colored resin particles are obtained by adding an inorganic filler such as aluminum hydroxide and a colorant to an uncured liquid unsaturated polyester resin, curing the mixture, and crushing the cured product.

【0003】しかしながら、このような着色樹脂粒子を
用いた加飾成形品は、表面を研磨して仕上げると、着色
樹脂粒子とこれを分散させた重合性樹脂液の硬化物との
光沢が異なり、着色樹脂粒子とこれを分散させた重合性
樹脂液の硬化物とからなる基材が艶斑となり、美麗な外
観が得られないという欠点があった。
However, in the decorative molded article using such colored resin particles, when the surface is polished and finished, the gloss of the colored resin particles and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed are different, The base material composed of the colored resin particles and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed has gloss defects, and there is a drawback that a beautiful appearance cannot be obtained.

【0004】[0004]

【発明が解決しようとする課題】よって、この発明にお
ける課題は、着色樹脂粒子とこれを分散させる重合性樹
脂液の硬化物との光沢を近似させ、着色樹脂粒子とこれ
を分散させる重合性樹脂液の硬化物とからなる基材の艶
斑を低減させ、加飾成形品が美麗な外観を有することが
できる着色樹脂粒子を得ることにある。
SUMMARY OF THE INVENTION Therefore, the object of the present invention is to make colored resin particles and a polymerizable resin in which the colored resin particles and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed approximate to each other in glossiness. Another object of the present invention is to obtain a colored resin particle capable of reducing glossiness of a base material composed of a cured product of a liquid and allowing a decorative molded article to have a beautiful appearance.

【0005】[0005]

【課題を解決するための手段】かかる課題は、着色樹脂
粒子として、熱可塑性樹脂を未硬化液状熱硬化性樹脂に
溶解した混合樹脂液に、充填材と、着色顔料とを配合し
たものを硬化させ、この硬化物を破砕したものを用いる
ことで解決される。
The object of the present invention is to cure a mixture of a filler and a color pigment in a mixed resin liquid prepared by dissolving a thermoplastic resin in an uncured liquid thermosetting resin as colored resin particles. It is solved by using a crushed product of this cured product.

【0006】以下、本発明を詳細に説明する。まず、本
発明で用いられる混合樹脂液について説明する。この混
合樹脂液は、熱可塑性樹脂を未硬化液状熱硬化性樹脂に
溶解したものである。
The present invention will be described in detail below. First, the mixed resin liquid used in the present invention will be described. This mixed resin liquid is a solution of a thermoplastic resin dissolved in an uncured liquid thermosetting resin.

【0007】熱可塑性樹脂としては、ポリメタクリル酸
メチル、ポリメタクリル酸メチル−スチレン共重合体、
ポリスチレン、AS樹脂等が用いられる。未硬化液状熱
硬化性樹脂としては、不飽和ポリエステル樹脂、エポキ
シ樹脂、フェノール樹脂、メラミン樹脂、尿素樹脂や、
これらの樹脂とアクリルシロップの混合物や、これらの
混合物等が用いられる。
As the thermoplastic resin, polymethylmethacrylate, polymethylmethacrylate-styrene copolymer,
Polystyrene, AS resin, etc. are used. As the uncured liquid thermosetting resin, unsaturated polyester resin, epoxy resin, phenol resin, melamine resin, urea resin,
A mixture of these resins and acrylic syrup, a mixture thereof, or the like is used.

【0008】上記混合樹脂液中の熱可塑性樹脂と未硬化
液状熱硬化性樹脂との混合割合は、熱可塑性樹脂が10
〜50重量%程度、未硬化液状熱硬化性樹脂が90〜5
0重量%程度である。熱可塑性樹脂が10重量%未満で
あると、加飾成形品を製造する際に、本発明の加飾成形
品用着色樹脂粒子とこれを分散させた重合性樹脂液の硬
化物との光沢が異なり、加飾成形品用着色樹脂粒子とこ
れを分散させた重合性樹脂液の硬化物とからなる基材が
艶斑となり、得られる加飾成形品の外観が劣るという不
都合が生じる。熱可塑性樹脂が50重量%を超えると、
熱可塑性樹脂が未硬化液状熱硬化性樹脂に十分溶解しな
くなるという不都合が生じる。
The mixing ratio of the thermoplastic resin and the uncured liquid thermosetting resin in the mixed resin liquid is 10 for the thermoplastic resin.
~ 50 wt%, 90 ~ 5 uncured liquid thermosetting resin
It is about 0% by weight. When the content of the thermoplastic resin is less than 10% by weight, the gloss of the colored resin particles for a decorative molded product of the present invention and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed when the decorative molded product is manufactured In contrast, the base material composed of the colored resin particles for decorative molded product and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed becomes glossy, and the resulting decorative molded product is inferior in appearance. If the thermoplastic resin exceeds 50% by weight,
The inconvenience arises that the thermoplastic resin is not sufficiently dissolved in the uncured liquid thermosetting resin.

【0009】つぎに、上記混合樹脂液に配合する充填剤
について説明する。この充填材は、着色樹脂粒子の透明
度を調整するためのもので、粒子径約5μm〜数200
μmの水酸化アルミニウム、水酸化マグネシウム、炭酸
カルシウム、ガラスフィラー等が用いられる。配合量は
上記混合樹脂液100重量部に対して100〜200重
量部程度である。200重量部程度配合すると着色樹脂
粒子が白化して不透明となり、少なく100重量部程度
配合すると透明となり、また、100重量部未満である
と着色樹脂粒子の比重が小さくなりすぎて、加飾成形品
を製造する際、無機充填材が配合された重合性樹脂液中
に適度に分散せず、200重量部を超えると、上記効果
が配合に伴いそれ以上増加しなくなるとともに分散不良
または充填材のぬれ不足等の不都合を生じる。
Next, the filler compounded in the mixed resin liquid will be described. This filler is for adjusting the transparency of the colored resin particles and has a particle diameter of about 5 μm to several hundreds.
μm aluminum hydroxide, magnesium hydroxide, calcium carbonate, glass filler, etc. are used. The compounding amount is about 100 to 200 parts by weight with respect to 100 parts by weight of the mixed resin liquid. If about 200 parts by weight is added, the colored resin particles become white and opaque, and if less than about 100 parts by weight becomes transparent, and if less than 100 parts by weight, the specific gravity of the colored resin particles becomes too small, resulting in a decorated molded product. In the production of the above, when the inorganic filler is not properly dispersed in the polymerizable resin liquid and exceeds 200 parts by weight, the above effect does not further increase with the formulation and the dispersion is poor or the filler is wet. Inconvenience such as shortage occurs.

【0010】つぎに、上記混合樹脂液に配合する着色顔
料について説明する。この着色顔料は、上記混合樹脂液
を好みの色調にするためのもので、TiO2、Fe
23、イエロートナー、ブラウントナー、ブルートナ
ー、グリーントナー等が用いられるが、この着色顔料が
配合される上記混合樹脂液に応じて最も適するものが選
ばれる。配合量は、着色樹脂粒子の着色度によって決め
られ、上記混合樹脂液100重量部に対して0〜5重量
部程度である。0重量部の場合は、着色樹脂粒子に上記
混合樹脂液のそのものの色調が露呈する。
Next, the color pigment to be blended with the above mixed resin liquid will be described. The color pigment is for desired color tone of the mixed resin solution, TiO 2, Fe
2 O 3 , yellow toner, brown toner, blue toner, green toner and the like are used, and the most suitable one is selected according to the mixed resin liquid in which the color pigment is mixed. The blending amount is determined by the coloring degree of the colored resin particles, and is about 0 to 5 parts by weight with respect to 100 parts by weight of the mixed resin liquid. In the case of 0 part by weight, the color tone of the mixed resin liquid itself is exposed to the colored resin particles.

【0011】上記混合樹脂液を硬化させるものとして
は、硬化促進剤、ラジカル硬化剤等が用いられる。硬化
促進剤としては、ナフテン酸コバルトなどが用いられ、
上記混合樹脂液100重量部に対して0〜1重量部添加
される。ラジカル硬化剤としては、有機過酸化物などが
用いられ、上記混合樹脂液100重量部に対して0.5
〜2重量部添加される。
A curing accelerator, a radical curing agent, or the like is used to cure the above mixed resin liquid. As the curing accelerator, cobalt naphthenate or the like is used,
0 to 1 part by weight is added to 100 parts by weight of the mixed resin liquid. An organic peroxide or the like is used as the radical curing agent, and is 0.5 per 100 parts by weight of the mixed resin liquid.
~ 2 parts by weight are added.

【0012】つぎに、本発明の加飾成形品用着色樹脂粒
子を得る方法の例について説明する。まず、熱可塑性樹
脂を未硬化液状熱硬化性樹脂に溶解して混合樹脂液を作
る。ついで、この混合溶液に充填剤、着色顔料、硬化促
進剤、ラジカル硬化剤を配合し、攪拌した後、脱泡す
る。この後、これを木枠内に敷かれたポリエチレンフィ
ルムなど上に厚さが約3〜5mm程度になるように流し込
み、常温〜60℃程度で硬化させる。ついで、木枠内か
ら硬化物を取り出し、ハンマー等を用いて30cm角程度
に粗粉砕する。そして、この粗粉砕物をロール粉砕機、
ハンマーミル、ジョークラッシャー等を用いて粒子径5
μm〜20mm程度に粉砕した後、粒子径10μm〜10
mm程度のものを分級すると加飾成形品用着色樹脂粒子が
得られる。そして、このような加飾成形品用着色樹脂粒
子は、加飾成形品を製造する際、その色彩、透明度、形
状等の異なる数種以上のものを適宜組み合わされて用い
られる。
Next, an example of a method for obtaining the colored resin particles for decorative molded products of the present invention will be described. First, a thermoplastic resin is dissolved in an uncured liquid thermosetting resin to prepare a mixed resin liquid. Then, a filler, a color pigment, a curing accelerator, and a radical curing agent are added to this mixed solution, and the mixture is stirred and then defoamed. After that, this is poured onto a polyethylene film or the like laid in a wooden frame so as to have a thickness of about 3 to 5 mm and cured at room temperature to about 60 ° C. Then, the cured product is taken out of the wooden frame and roughly crushed into about 30 cm square with a hammer or the like. Then, this coarsely crushed product is a roll crusher,
Use a hammer mill, jaw crusher, etc. to obtain a particle size of 5
After pulverizing to about 20 ~ 10mm, particle size 10 ~ 10
Colored resin particles for decorative molded articles can be obtained by classifying particles having a size of about mm. Such colored resin particles for decorative molded products are used by appropriately combining several kinds of colored resin particles having different colors, transparency, shapes, etc. when manufacturing the decorative molded products.

【0013】以上述べたように、本発明の加飾成形品用
着色樹脂粒子は、熱可塑性樹脂を未硬化液状熱硬化性樹
脂に溶解した混合樹脂液に、充填材と、着色顔料とを配
合したものを硬化させ、この硬化物を破砕したものであ
るので、着色樹脂粒子とこれを分散させた重合性樹脂液
の硬化物との光沢が近似し、着色樹脂粒子とこれを分散
させた重合性樹脂液の硬化物とからなる基材の艶斑が低
減する。従って、本発明の加飾成形品用着色樹脂粒子を
用いて得られる加飾成形品は、従来の着色樹脂粒子を用
いたものと比べて外観に優れるという利点がある。
As described above, the colored resin particles for decorative molded articles according to the present invention contain the filler and the color pigment in the mixed resin liquid prepared by dissolving the thermoplastic resin in the uncured liquid thermosetting resin. Since the cured product was crushed and the cured product was crushed, the gloss of the colored resin particles and the cured product of the polymerizable resin liquid in which they are dispersed is similar, and the colored resin particles and the polymerized product in which they are dispersed The gloss of the base material composed of the cured product of the resin composition is reduced. Therefore, the decorative molded product obtained by using the colored resin particles for decorative molded product of the present invention has an advantage that it has an excellent appearance as compared with the conventional molded product using colored resin particles.

【0014】[0014]

【実施例】以下に示す2つの配合例によって、2種の着
色樹脂粒子を用意した。これらの着色樹脂粒子の粒子径
は、0.1〜1.0mm程度であった。ついで、予め無機
充填材が配合されている重合性樹脂液に、上記2種の着
色樹脂粒子をそれぞれ配合し、硬化させた。ついで、こ
れら硬化物の表面をそれぞれ研磨仕上げして、2種のア
クリル系人造大理石を得た。そして、得られた2種のア
クリル系人造大理石の艶斑および外観を比較した。その
結果を下記表1に示す。
Example Two kinds of colored resin particles were prepared by the following two formulation examples. The particle diameter of these colored resin particles was about 0.1 to 1.0 mm. Next, the above-mentioned two types of colored resin particles were each mixed and cured in the polymerizable resin liquid in which the inorganic filler was previously mixed. Then, the surfaces of these cured products were polished and finished to obtain two types of acrylic artificial marble. Then, the glossiness and appearance of the two types of acrylic artificial marbles obtained were compared. The results are shown in Table 1 below.

【0015】 [0015]

【0016】上記表1に示した結果から明らかなように
実施例の着色樹脂粒子を用いたアクリル系人造大理石は
比較例1の着色樹脂粒子を用いたアクリル系人造大理石
に比べて、艶斑がなく、外観が優れていることが確認で
きる。
As is apparent from the results shown in Table 1 above, the acrylic artificial marble using the colored resin particles of the example has a glossiness different from that of the acrylic artificial marble using the colored resin particles of Comparative Example 1. It can be confirmed that the appearance is excellent.

【0017】[0017]

【発明の効果】以上説明したように、本発明の加飾成形
品用着色樹脂粒子は、熱可塑性樹脂を未硬化液状熱硬化
性樹脂に溶解した混合樹脂液に、充填材と、着色顔料と
を配合したものを硬化させ、この硬化物を破砕したもの
であるので、着色樹脂粒子とこれを分散させる重合性樹
脂液の硬化物との光沢が近似し、着色樹脂粒子とこれを
分散させる重合性 樹脂液の硬化物とからなる基材の艶
斑が低減する。従って、本発明の加飾成形品用着色樹脂
粒子を用いて得られる加飾成形品は、従来の着色樹脂粒
子を用いたものと比べて外観に優れるという利点があ
る。
As described above, the colored resin particles for decorative molded articles of the present invention include a filler, a coloring pigment, a mixed resin solution prepared by dissolving a thermoplastic resin in an uncured liquid thermosetting resin. The compounded product is cured, and the cured product is crushed, so that the gloss of the colored resin particles and the cured product of the polymerizable resin liquid in which the colored resin particles are dispersed is similar, and the colored resin particles and the dispersed polymerized The gloss of the base material composed of the cured product of the resinous resin liquid is reduced. Therefore, the decorative molded product obtained by using the colored resin particles for decorative molded product of the present invention has an advantage that it has an excellent appearance as compared with the conventional molded product using colored resin particles.

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 熱可塑性樹脂を未硬化液状熱硬化性樹脂
に溶解した混合樹脂液に、充填材と、着色顔料とを配合
したものを硬化させ、この硬化物を破砕して得られた加
飾成形品用着色樹脂粒子。
1. A mixed resin liquid in which a thermoplastic resin is dissolved in an uncured liquid thermosetting resin, a mixture of a filler and a coloring pigment is cured, and the cured product is crushed to obtain a resin. Colored resin particles for decorative molded products.
JP1038692A 1992-01-23 1992-01-23 Colored resin particle for decorated molding Withdrawn JPH0625539A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1038692A JPH0625539A (en) 1992-01-23 1992-01-23 Colored resin particle for decorated molding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1038692A JPH0625539A (en) 1992-01-23 1992-01-23 Colored resin particle for decorated molding

Publications (1)

Publication Number Publication Date
JPH0625539A true JPH0625539A (en) 1994-02-01

Family

ID=11748684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1038692A Withdrawn JPH0625539A (en) 1992-01-23 1992-01-23 Colored resin particle for decorated molding

Country Status (1)

Country Link
JP (1) JPH0625539A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736058A1 (en) * 1995-06-30 1997-01-03 Atohaas Holding Cv MOLDABLE AND PIGMENTABLE THERMOSETTING COMPOSITIONS USEFUL FOR OBTAINING MOLDED ARTICLES WITH ZERO OR LOW EXPANSION WITHDRAWAL
US5869557A (en) * 1995-06-30 1999-02-09 Atohaas Holding C.V. Moldable and pigmentable heat-curable compositions capable of being used for obtaining molded articles with zero shrinkage or small expansion
KR100514717B1 (en) * 2001-10-11 2005-09-22 (주) 네오스텍 thermoset composition for dye sublimation and its manufacturing and dye sublimation printing method
US8906502B2 (en) 2006-12-29 2014-12-09 Ccp Composites Us Llc Organic powder useful as the replacement of mineral filler in composites
WO2018154427A1 (en) * 2017-02-21 2018-08-30 Zinniatek Limited Substrate having decorated surface and method of production
CN112876116A (en) * 2021-01-27 2021-06-01 上海无想新材料科技有限公司 Colored expanded vermiculite and preparation method and application thereof
US11408613B2 (en) 2014-03-07 2022-08-09 Zinniatek Limited Solar thermal roofing system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736058A1 (en) * 1995-06-30 1997-01-03 Atohaas Holding Cv MOLDABLE AND PIGMENTABLE THERMOSETTING COMPOSITIONS USEFUL FOR OBTAINING MOLDED ARTICLES WITH ZERO OR LOW EXPANSION WITHDRAWAL
EP0751184A3 (en) * 1995-06-30 1997-07-16 Atohaas Holding Cv Mouldable and pigmentable, heat-hardenable compositions useful to obtain moulded articles having low profile or low expansion
US5869557A (en) * 1995-06-30 1999-02-09 Atohaas Holding C.V. Moldable and pigmentable heat-curable compositions capable of being used for obtaining molded articles with zero shrinkage or small expansion
KR100349044B1 (en) * 1995-06-30 2002-12-28 아토피나 Moldable and colorable thermosets to achieve molded products with zero shrinkage or small amounts of expansion
KR100514717B1 (en) * 2001-10-11 2005-09-22 (주) 네오스텍 thermoset composition for dye sublimation and its manufacturing and dye sublimation printing method
US8906502B2 (en) 2006-12-29 2014-12-09 Ccp Composites Us Llc Organic powder useful as the replacement of mineral filler in composites
US11408613B2 (en) 2014-03-07 2022-08-09 Zinniatek Limited Solar thermal roofing system
WO2018154427A1 (en) * 2017-02-21 2018-08-30 Zinniatek Limited Substrate having decorated surface and method of production
US11970858B2 (en) 2017-02-21 2024-04-30 Zinniatek Limited Substrate having decorated surface and method of production
CN112876116A (en) * 2021-01-27 2021-06-01 上海无想新材料科技有限公司 Colored expanded vermiculite and preparation method and application thereof

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