WO2015000283A1 - 一种水性人造石及制备方法 - Google Patents
一种水性人造石及制备方法 Download PDFInfo
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- WO2015000283A1 WO2015000283A1 PCT/CN2014/000336 CN2014000336W WO2015000283A1 WO 2015000283 A1 WO2015000283 A1 WO 2015000283A1 CN 2014000336 W CN2014000336 W CN 2014000336W WO 2015000283 A1 WO2015000283 A1 WO 2015000283A1
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- artificial stone
- emulsion
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- acrylic emulsion
- aqueous
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/54—Substitutes for natural stone, artistic materials or the like
- C04B2111/542—Artificial natural stone
Definitions
- Aqueous artificial stone and preparation method thereof Aqueous artificial stone and preparation method thereof
- the present invention relates to a formulation and a preparation method for manufacturing artificial stone, and belongs to the field of new materials. Background technique
- the artificial stone name is Solid Surfacing Material, which usually refers to artificial stone solid surface, artificial stone quartz stone, artificial stone and so on. It is a new environmentally friendly composite material. Compared with traditional building materials such as stainless steel and ceramics, artificial stone is not only versatile, but also rich in color and application range. Also non-toxic, radioactive, flame retardant,
- the present invention provides a formula and a manufacturing method of the artificial stone, which is an organic solvent-free system for producing artificial stone, which can solve the problem of releasing harmful gases in the later stage. At the same time, it can solve problems such as poor mechanical properties and low flame retardancy.
- the object of the present invention is achieved by the following technical solutions.
- the invention provides an artificial stone prepared from an aqueous polymer material and an inorganic material, wherein the aqueous polymer material is an acrylate emulsion, a silicone modified acrylate emulsion (hereinafter referred to as a silicone-acrylic emulsion) , styrene-acrylate emulsion (hereinafter referred to as styrene-acrylic emulsion), polyurethane modified acrylate emulsion, vinyl versatate-acrylate emulsion, vinyl acetate-acrylate emulsion, hydroxy acrylic emulsion, aqueous polyurethane dispersion, silicone modified polyurethane dispersions, aqueous amino resin, epoxy resin, epoxy-modified acrylic emulsion or the like of one or several; wherein the viscosity of each emulsion is 50-2500mP aS, the solid content (wt%) 30 -70%
- a silicone-acrylic emulsion is an emulsion obtained by polymerizing a silicone monomer containing an unsaturated bond and an acrylic monomer by a core-shell coating polymerization process. It combines high temperature resistance, weather resistance, chemical resistance, hydrophobicity, low surface energy, non-polluting properties, and color retention, flexibility, and adhesion of acrylic resins. It is a kind of emulsion that is resistant to weathering, water and pollution.
- silicone-acrylic emulsion suitable for the present invention is preferably tested to satisfy the following parameters: viscosity (25'C, 3 rotor 60r/rain) 50-800 mPas; solid content (wt%) is 40-60%; further preferred 50" 600mPas, solid content is
- Styrene-acrylic emulsion is obtained by emulsion copolymerization of styrene and acrylate monomers.
- Styrene-acrylic emulsion is one of the most studied systems in emulsion polymerization, and it is also one of the ten non-cross-linking emulsions with important industrial application value in the world today.
- the styrene-acrylic emulsion has good adhesion, transparent film, good water, oil, heat and aging resistance. Milky white liquid with blue light.
- the product has a finished product, and it is preferred that the styrene-acrylic emulsion is suitable for the present invention.
- the solid content (wt%) is 40 to 60%, the viscosity is 80 to 2000 mPa ⁇ s, and the monomer residual amount is less than 1. 0%, PH.
- the value is 8 to 9; further preferably, the viscosity is 80 to 1000 mPas, and the solid content is 50 to 55%.
- the content of the polyurethane in the polyurethane-modified acrylic emulsion is 25% to 65%.
- the artificial stone prepared by using the acrylate resin (PA) as a base material has properties such as weather resistance, pollution resistance, acid resistance, alkali resistance, transparency, and the like, and has low production cost, and thus is widely used as an aqueous base of artificial stone. material.
- PA acrylate resin
- polyacrylate artificial stone also has shortcomings such as low temperature, brittleness, high temperature and viscosity, which affects its decorative effect and use value. To do this, use other
- Polyurethane (PU) molecules contain a large number of urethane bonds and urea bonds, etc., and hydrogen bonds are easily formed between macromolecules, resulting in extensive physical cross-linking, so that the latex film has excellent solvent resistance, wear resistance, scratch resistance, Flexibility and elasticity, etc., but the production cost is higher, and the polyurethane obtained by combining polyurethane and polyacrylate.
- the polyacrylate (PUA) composite emulsion book not only greatly reduces the production cost, but also has the advantages of both.
- the aqueous polymer material is composed of 44 to 64% of a silicone-acrylic emulsion, 20 to 40% of a styrene-acrylic emulsion, and 8 to 25% of a polyurethane-modified acrylic emulsion.
- the quality of the aqueous polymer material is from 2% to 20%, preferably from 5-15%, based on the total mass of the formulation.
- the present invention provides an artificial stone whose formulation is as follows - water-based cerium molecular material 5-15%
- the quartz sand has a particle size of 40 mesh to 1000 mesh, preferably 60 mesh to 800 mesh;
- the glass powder has a particle size of 40 mesh to 1000 mesh, preferably 60 mesh to 800 mesh;
- the silicate is selected from the group consisting of sodium silicate, asbestos, feldspar ( ⁇ 2 0 ⁇ ⁇ 1 2 0 3 ⁇ 6Si0 2 ), at least one of bentonite, montmorillonite, attapulgite, cement, clay; Targeting 1000 mesh, preferably 60 mesh to 800 mesh;
- the pigment may be a natural color mineral granule or an organic masterbatch, as long as it does not react destructively with the formulation system and can be mixed. Commercial grade artificial stone pigments are preferred.
- the present invention provides a method for producing the above-mentioned artificial stone: according to the above formula amount, the components are stirred and mixed uniformly, and then poured into a mold, and vacuumed to a vacuum of 0. 06-0.
- the water-based polymer materials used have good water resistance and ensure that the produced artificial stone has good water resistance.
- the water-based polymer material used has a small shrinkage rate, and the artificial stone produced is small in deformation during processing, and is easy to change.
- the aqueous polymer material used has a high heat distortion temperature, and because the bonding strength of the material itself is high, a small amount can be achieved, and the ratio of other inorganic materials can be increased, thereby making
- the water-based artificial stone has high stain resistance, heat resistance, flame retardancy and high mechanical properties.
- the water-resistant artificial stone can be ensured to have high weather resistance in outdoor use.
- the pollution resistance test, the chemical resistance test, the heat resistance test, and the water resistance test are all performed by JC908-2002; the measurement of V0C is carried out by the method of the standard GB18582-2008, and the V0C is referred to herein as 101.
- any organic compound whose initial boiling point is equal to or lower than 250 is the content of volatile organic compounds dehydrated by the product, expressed in grams per kilogram (g/kg).
- the flexural strength and flexural modulus were measured by GB/T2570-1995, the impact strength was measured by GB/T2571-1995, and the Barcol hardness was measured by GB/T3854-2005.
- the bending strength and bending elastic modulus of artificial stone were tested by CMT4254 electronic universal test; the impact toughness was tested by XJJ-50 impact tester; the hardness was measured by the hardness tester model HBA-1 .
- Pap (barker) hardness is tested in accordance with GB/T 3854.
- the aging resistance is carried out according to the provisions of GB/T 164422-1999, the xenon arc lamp is exposed for 200 h, the plate temperature is (63 ⁇ 5) ° C, and the radiant flux density is controlled within 340 mra at 0. 35 w / m '.
- the outer filter is combined into a high silicon borate glass. No need to control humidity.
- Flame retardant properties The oxygen index is carried out in accordance with the provisions of GB/T 2406-1993. Classification according to the fire classification (Al, A2, B, C, D, E, F) of EN13501-1 building products and components.
- VOC volati le organic compounds
- the components were stirred and mixed uniformly, then poured into a mold, vacuumed (vacuum degree of 0.08 MPa), and placed for 7 days, polished, to obtain the finished artificial stone.
- the finished artificial stone is tested according to the above relevant standards, and the results are as follows:
- UV aging test 200 hours, no cracks, bubbles, cracks and surface texture changes, aging before and after the test 1.16.
- 1 indicates droplets exposed to the air; 11 indicates droplets covered with a watch glass: the numbers in the table indicate the stain resistance value; 1 indicates the least degree of contamination, and 5 indicates the highest degree of contamination, when the stain resistance value When it reaches 5, you need to measure the maximum pollution depth.
- the total stain resistance value is 64, and the maximum stain depth is 0.11 mm (measured by uncapped blue water-soluble ink).
- Test standard JC 908-2002 requires that the total stain resistance value should not exceed 64, and the maximum pollution trace depth is not more than 0.112mra, so the sample test results meet the standard.
- the chemical resistance test, the heat resistance test, and the water resistance test all meet the requirements of JC 908-2002.
- the oxygen index is 40 and the flame retardant rating is A1, which is in line with national standards.
- V0C content was not detected and was lower than the standard value.
- the components are stirred and mixed uniformly, and then poured into a mold, vacuumed (vacuum degree is 0.07 Pa), shaped, cured for 10 days, polished, that is, the finished artificial stone.
- the finished artificial stone is tested according to the above relevant standards, and the results are as follows:
- UV aging test 200 hours, no cracks, bubbles, cracks and surface texture changes, aging before and after test 1. 17.
- the total stain resistance is 64 and the maximum contamination depth is 0. lOram (measured by uncapped blue water-soluble ink) and the sample test results are in accordance with the standard.
- the chemical resistance test, the heat resistance test, and the water resistance test all meet the requirements of JC 908-2002.
- the oxygen index is 40 and the flame retardant rating is A1, which is in line with national standards.
- VOC content was not detected and was below the standard value.
- Silicone-acrylic emulsion (viscosity 300mPas; solid content (wt%) 46%) 7%
- Styrene-acrylic emulsion (viscosity 400mPa ⁇ s, solid content (wt%) 40%, monomer residual amount 0.5%, pH 8. 5)
- Polyurethane modified acrylic emulsion (polyurethane content is 35%) 2%
- Quartz sand (particle size 60-600 mesh) 20%
- the components are stirred and mixed uniformly, then poured into a mold and vacuumed (vacuum degree is 0. 08 Pa) Styling, curing for 15 days, grinding, that is, the finished artificial stone.
- the finished artificial stone is tested according to the above relevant standards, and the results are as follows:
- UV aging test 200 hours, no cracks, bubbles, cracks and surface texture changes, aging before and after test 1.10.
- the total stain resistance is 48 and the sample test results are in accordance with the standard.
- VOC content was not detected and was below the standard value.
- Silicone-acrylic emulsion (viscosity 600mPas; solid content t%) is 46%) 8%
- Styrene-acrylic emulsion solid content (wt%) is 50%, viscosity 600 mPa * s, monomer residual amount 0.5%, PH value 8.5)
- Polyurethane modified acrylic emulsion polyurethane content is 35% to 65%) 2. 5%
- the components are stirred and mixed uniformly, then poured into a mold and vacuumed (vacuum degree is
- UV aging test 200 hours, no cracks, bubbles, cracks and surface texture changes, aging before and after the test 1. 17.
- the total stain resistance is 48 and the sample test results are in accordance with the standard.
- VOC content was not detected and was below the standard value.
- Silicone-acrylic emulsion (viscosity 50raPa S; solid content (wt%) 40%) 6%
- Styrene-acrylic emulsion solid content (wt%) 40%, viscosity 400 mPa * s, monomer residual amount 0.5%, PH value 9. 0
- Polyurethane modified acrylic emulsion (25% polyurethane) 1. 5%
- the components are stirred and mixed uniformly, and then poured into a mold, vacuumed (vacuum degree is 0. 07MPa) stereotyped, cured for 30 days, polished, that is, the finished artificial stone.
- the finished artificial stone is inspected according to the above relevant standards. The results are as follows:
- UV aging test 200 hours, no cracks, bubbles, cracks and surface texture changes, aging before and after the test 1.16.
- the sum of the stain resistance values is 58, the maximum stain depth is 0. Imm (measured by uncapped blue water-soluble ink), and the sample test results meet the standard.
- the chemical resistance test, the heat resistance test, and the water resistance test all meet the requirements of JC 908-2002.
- the oxygen index is 40 and the flame retardant rating is A1, which is in line with national standards.
- VOC content was not detected and was lower than the standard value.
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Abstract
本发明提供一种人造石的配方及制造方法,该种人造石由水性高分子材料和无机材料制备而成。其中水性高分子材料选自丙烯酸酯乳液,硅丙乳液、苯丙乳液、聚氨酯改性丙烯酸酯乳液、叔碳酸乙烯酯-丙烯酸酯乳液、醋酸乙烯酯-丙烯酸酯乳液、水性聚氨酯分散件、有机硅改性聚氨酯分散体、水性氨基树脂、水性环氧树脂、环氧改性丙烯酸乳液的一种或几种。制备时将水性高分子材料和无机材料以及颜料混匀,经减压定型,放置,打磨后即得力学性能高、阻燃、耐污、低VOC的优质人造石。
Description
一种水性人造石及制备方法 技术领域
[0001] 本发明涉及一种用于制造人造石的配方及制备方法,属于新材料领域。 背景技术
[0002] 人造石学名为实体面材(Solid Surfacing Material ),通常是指人造石实体面 材、人造石石英石、人造石岗石等。 它是一种新型环保复合材料。 相比不锈钢、陶瓷等传统 建材,人造石不但功能多样,颜色丰富,应用范围也更加广泛。还具有无毒性、放射性,阻燃、
说
不粘油、不滲污、抗菌防霉、耐磨、耐冲击、易保养、无缝拼接、造型百变等众多优点。
[0003] 人造石类型不同,其成分也不尽相同。 主要是以有机髙分子材料为基体,以天然 矿石粉、颗粒等为填料,加入颜料及其他辅助剂,经过真空浇铸或模压成型的髙分子复合材 料。 书
C0004] 人造石的制作目前主要使用的髙分子材料基体为聚酯树脂或亚克力树脂 (聚甲基 丙烯酸甲酯)。 聚酯树脂由于制造过程中使用有机溶剂,做出的人造石会释放对人体和环 境有害的气体。 亚克力树脂则需要髙温固化,能耗较大,价格十分昂贵。 而且亚克力树脂 本身是易燃品,其热变形温度为 96Ό,最高连续使用温度为 65- 95Ό。 所以制造的人造石 耐热性、阻燃性都不足。 不饱和聚酯由于固化收缩率较大,加工定型性不好,热变形温度在 50~60'C,耐热阻燃性都不理想。 这些影响了人造石的广泛使用。 发明内容
[0005] 为了解决上述现有技术中存在的问题,本发明提供一种人造石的配方及制造方 法,该种人造石是无有机溶剂体系生产人造石,可以解决其后期释放有害气体的问题,同时 还能解决力学性能差、阻燃性不高等问题。
[0006] 本发明的目的是通过如下技术方案得以实现的。 本发明提供一种人造石,该人造 石由水性高分子材料和无机材料制备而成,其中所述的水性高分子材料是丙烯酸酯乳液, 有机硅改性丙烯酸酯乳液 (下称硅丙乳液),苯乙烯 -丙烯酸酯乳液 (下称苯丙乳液),聚氨酯 改性丙烯酸酯乳液,叔碳酸乙烯酯 -丙烯酸酯乳液,醋酸乙烯酯 -丙烯酸酯乳液,羟基丙烯 酸乳液,水性聚氨酯分散体,有机硅改性聚氨酯分散体,水性氨基树脂,水性环氧树脂,环氧 改性丙烯酸乳液等中的一种或几种;其中,各乳液的粘度为 50-2500mPaS,固体含量 (wt%) 为 30-70%。
[0007] 其中,所述的水性高分子材料的质量占配方总质量的 2%- 20%。
[0008] 硅丙乳液是将含有不饱和键的有机硅单体与丙烯酸类单体通过核壳包覆聚合工 艺聚合而成的乳液。 它结合了有机硅耐高温性、耐候性、耐化学品性,疏水、表面能低不易 污染性和丙烯酸类树脂的髙保色性、柔韧性、附着性。 是一种髙耐候、髙耐水、抗污染的乳 液。有成品商品,经试验优选出适合本发明的硅丙乳液需要满足以下参数:粘度(25'C , 3转 子 60r/rain) 50-800mPas;固体含量(wt%)为 40-60%;进一步优选为 50"600mPas,固含量为
45-50%,
[0009] 苯丙乳液是由苯乙烯和丙烯酸酯单体经乳液共聚而得。苯丙乳液是乳液聚合中研 究较多的体系,也是当今世界有重要工业应用价值的十大非交联型乳液之一。 苯丙乳液附 着力好,胶膜透明,耐水、耐油、耐热、耐老化性能良好。 乳白色液体,带蓝光。 有成品商品, 经试验优选出适合本发明的苯丙乳液需要满足以下参数:固体含量 (wt%)为 40〜60%,粘度 80〜 2000mPa · s,单体残留量小于 1. 0%, PH值 8〜 9;进一步优选为粘度 80- 1000mPas,固 含量为 50-55%。
[0010] 聚氨酯改性丙烯酸乳液中聚氨酯的含量为 25%-65%。
[0011 ] 丙烯酸酯树脂(PA)作为基料制得的人造石具有耐候、耐污染、耐酸、耐碱、透明性 好等性能,且生产成本较低,因此被广泛用作人造石水性的基料。 然而,聚丙烯酸酯类人造 石也存在着低温易变脆、高温变黏等缺点,影响了其装饰效果和使用价值。 为此,采用其它
说
树脂改性聚丙烯酸酯类树脂的研究受到了人们的广泛关注。 聚氨酯(PU)分子中因含有大 量的氨酯键和脲键等,大分子间易形成氢键,产生广泛物理交联,使乳胶膜具有优异的耐溶 剂性、耐磨性、耐划伤、柔韧性和弹性等,但其生产成本较高,而将聚氨酯和聚丙烯酸酯结合 在一起得到的聚氨酯。聚丙烯酸酯(PUA)复合乳液书,不仅大大降低了生产成本,而且乳胶膜 兼具有两者的优点。
[0012] 优选水性高分子材料由 44~64%的硅丙乳液、 20- 40%的苯丙乳液、 8-25%的聚氨酯 改性丙烯酸乳液组成。
[0013] 水性高分子材料的质量占配方总质量的 2%-20%,优选为 5-15%。
[0014] 本发明提供一种人造石,其配方如下 - 水性髙分子材料 5-15%
石英砂 15-30%
玻璃粉 15-25%
硅酸盐 30 - 50%。
[0015] 颜料 1-3%
水 余量
石英砂的粒径 40目到 1000目,优选为 60目到 800目;
玻璃粉粒径 40目到 1000目,优选为 60目到 800目;
硅酸盐选自硅酸钠,石棉,长石(Κ20 · Α1203 · 6Si02),膨润土、蒙脱土、凹凸棒土,水泥, 黏土中的至少一种;粒径为 40目到 1000目,优选为 60目到 800目;
颜料可以是天然颜色矿物颗料,也可以是有机色母粒,只要不与配方体系发生破坏性 反应且能混匀均可使用。 优选商品级人造石用颜料。
[0016] 优选上述配方为:
硅丙乳液 7%
苯丙乳液 4%
聚氨酯改性丙烯酸乳液 2%
石英砂 20%
玻璃粉 20%
硅酸盐 40%。
[0017] 颜料
水 5%
本发明提供上述人造石的制造方法:按上述配方量,将各组分进行搅拌混合均匀,然后 倒入模具,抽真空至真空度为 0. 06-0. IMPa定型,放置 7天以上,打磨,即得成品人造石。
C0018] 与传统工艺相比,本发明的技术方案具有以下优异特点:
1)所使用的水性高分子材料均具有良好的耐水性能,保障了所制作的水性人造石具有 良好的耐水性能。
[0019] 2)由于采用了水性高分子材料代替传统的聚酯树脂,体系中不再含有溶剂的 成分,避免了人造石在使用过程中释放有害气体。 传统人造石经测试其 VOC (volatile organic compounds)可达 300- 400ppm,而水性人造石测试检不出 V0C。
[0020] 3)采用的水性高分子材料收缩率很小,制作的人造石在加工过程中形变很小,易
说
于加工定型,也有益于制作无缝拼接面板。
[0021 ] 4)采用的水性高分子材料本身具有较高的热变形温度,而且由于材料本身的粘结 力很高,较少的用量即可达到要求,可以提高其他无机材料的比例,从而使得水性人造石具 有较高的耐污、耐热性、阻燃性和较高的力学性能。书
[0022] 5)由于所用水性高分子材料具有较高的耐候性,可以保障水性人造石在户外使用 中具有较高的耐候性。
[0023] 具体实施方式
[0024] 以下内容是结合具体的优选实施方式对本发明所作的进一步详细说明,不能认定 本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技术人员来说,在 不脱离本发明构思的前提下,还可以做出若干简单推演或替换,都应当视为属于本发明的 保护范围,本发明用到、但未进行说明的技术和指标部分,均为现有技术。
[0025] 耐污染性测试、耐化学腐蚀测试、耐加热性测试、耐水性测试均釆用 JC908-2002 ; 关于 V0C的测定采用标准 GB18582- 2008的方法进行, V0C在此指的是在 101. 3kPa标准压 力下,任何初沸点等于或低于 250Ό的有机化合物,为产品扣除水分的挥发性有机化合物的 含量,以克每千克(g/kg)表示。 抗弯强度、弯曲弹性模量测定均采用 GB/T2570- 1995,冲击 强度测定采用 GB/T2571-1995,巴氏硬度测定采用 GB/T3854- 2005。 其中,釆用 CMT4254型 电子万能试验测试人造石的弯曲强度及弯曲弹性模量;采用 XJJ-50型冲击试验机测试其 冲击韧性;采用型号为 HBA- 1的巴氏硬度计测量其巴氏硬度。
[0026] 巴氏(巴柯尔)硬度按照 GB/T 3854规定试验。
[0027] 落球冲击:将 660瞧 X 810mm试样的四角平稳卡在试验夹具上,用直径 38. 1醒, 0. 225kg钢球以 610ram落差自由落体在距试样中点 48mm范围内。所用钢球应无缺口、凹痕、 变形或其他表面缺陷。 冲击韧性:按 GB/T2571-1995规定进行。 弯曲强度及弯曲弹性模量 按 GB/T2550-1995规定进行。
[0028] 耐老化性能按 GB/T 164422- 1999规定进行,疝弧灯曝露 200h,照板温度为 (63±5)°C ,辐射通量密度控制在 340mra下 0. 35w/ m'内。外滤光镜组合为高硅硼酸盐玻璃。 不需控制湿度。阻燃性能:氧指数按照 GB/T 2406- 1993规定进行。按 EN13501-1建筑产品 和构件的防火分级(Al , A2, B, C, D, E, F)进行分级。
[0029] 关于 V0C的测定采用标准 GB18582— 2008的方法进行,其中 VOC ( volati le organic compounds )指的是在 101. 3kPa标准压力下,任何初沸点等于或低于 250°C的有机 化合物,为产品扣除水分的挥发性有机化合物的含量,以克每千克(g/kg)表示。
[0030] 实施例 1
按如下配方,制造人造石:
丙烯酸乳液 (粘度为 600mPas;固体含量(wt%)为 60%) 8%
石英砂(粒径为 40-800目) 30%
玻璃粉(粒径为 40-800目) 15%
蒙脱土(粒径为 40-800目) 30%
人造石用黑色颜料 (商品) 说 1%
水 余量
按上述配方量,将各组分进行搅拌混合均匀,然后倒入模具,抽真空 (真空度为 0. 08MPa)定型,放置养护 7天,打磨,即得成品人造石。 将成品人造石按上述相关标准进行 检测,结果如下: 书
力学性能测试结果,见表 1-1,显示该人造石的各项力学性能均符合标准规定。
[0031 ] 表 1-1 力学性能测试结果
耐候性测试 (耐 UV老化测试): 200小时,外观无破裂、气泡、裂痕及表面质感变化,老化 测试前后色差 1. 16。
[0032] 耐污染性测试见表 1 - 2:
表 1-2各种试剂的耐污值结果
说
书
注:1表示暴露在空气中的液滴;11表示用表面皿盖住的液滴:表格中的数字表示耐污 值;1表示的污染程度最小,5表示的污染程度最大,当耐污值达到 5时,则需要测量最大污 染深度。
[0033] 耐污值总和为 64,最大污染迹深度为 0. 11mm (由未加盖的蓝色水溶性墨水测得)。 检测标准 JC 908-2002要求,耐污值总和不得超过 64,最大污染迹深度不大于 0. 12mra,故样 品测试结果符合标准。
[0034] 耐化学腐蚀测试、耐加热性测试、耐水性测试均符合 JC 908-2002的要求。氧指数 为 40,阻燃等级为 A1级,均符合国家标准。
[0035] V0C含量未检出,低于标准值。
[0036] 实施例 2
按如下配方,制造人造石:
水性环氧树脂(粘度为 lOOraPas;固体含量(wt%)为 45%) 15%
石英砂 (粒径为 40-800目) 30%
玻璃粉(粒径为 60~600目) 15%
硅酸钠(粒径为 40-800目) 30%
人造石用黑色颜料 (商品) 1%
水 余量
按上述配方量,将各组分进行搅拌混合均匀,然后倒入模具,抽真空 (真空度为 0. 07 Pa)定型,养护 10天,打磨,即得成品人造石。 将成品人造石按上述相关标准进行检 测,结果如下:
力学性能测试结果,见表 2-1 ,显示该人造石的各项力学性能均符合标准规定。
[0037] 表 2-1 力学性能测试结果
说
书
耐候性测试 (耐 UV老化测试) :200小时,外观无破裂、气泡、裂痕及表面质感变化,老化 测试前后色差 1. 17。
[0038] 耐污染性测试见表 2 - 2:
表 2- 2各种试剂的耐污值结果
说
书
耐污值总和为 64,最大污染迹深度为 0. lOram (由未加盖的蓝色水溶性墨水测得),样品 测试结果符合标准。
[0039] 耐化学腐蚀测试、耐加热性测试、耐水性测试均符合 JC 908-2002的要求。氧指数 为 40,阻燃等级为 A1级,均符合国家标准。
[0040] V0C含量未检出,低于标准值。
[0041] 实施例 3
按如下配方,制造人造石:
硅丙乳液(粘度 300mPas ;固体含量(wt%)为 46%) 7%
苯丙乳液(粘度为 400mPa · s,固体含量(wt%)为 40%,单体残留量 0. 5%, PH值 8. 5)
4%
聚氨酯改性丙烯酸乳液 (聚氨酯的含量为 35%) 2%
石英砂(粒径为 60-600目) 20%
玻璃粉(粒径为 60-600目) 20%
长石(粒径为 60-600目) 40%
人造石用黑色颜料 (商品) 2%
水 余量
按上述配方量,将各组分进行搅拌混合均匀,然后倒入模具,抽真空 (真空度为
0. 08 Pa)定型,养护 15天,打磨,即得成品人造石。 将成品人造石按上述相关标准进行检 测,结果如下:
力学性能测试结果 (见表 3-1 )显示该人造石的各项力学性能均符合标准规定。
[0042] 表 3-1 力学性能测试结果
说
书
耐候性测试 (耐 UV老化测试) :200小时,外观无破裂、气泡、裂痕及表面质感变化,老化 测试前后色差 1. 10。
[0043] 耐污染性测试见表 3-2:
表 3-2各种试剂的耐污值结果
说 明 书
耐污值总和为 48,样品测试结果符合标准。
[0044] 耐化学腐蚀测试、耐加热性测试、耐水性测试均符合 JC 908-2002的要求。氧指数 为 40, P且燃等级为 A1级,均符合国家标准。
[0045] V0C含量未检出,低于标准值。
[0046] 实施例 4
按如下配方,制造人造石:
硅丙乳液(粘度 600mPas;固体含量 t%)为 46%) 8%
苯丙乳液(固体含量(wt%)为 50%,粘度 600mPa * s,单体残留量 0. 5%, PH值 8. 5) 聚氨酯改性丙烯酸乳液 (聚氨酯的含量为 35%~65%) 2. 5%
石英砂 (粒径为 80-800目) 30%
玻璃粉 (粒径为 80-800目) 25%
黏土(粒径为 80-800目) 50%
人造石用红色颜料 (商品) 3%
水 余量
按上述配方量,将各组分进行搅拌混合均匀,然后倒入模具,抽真空 (真空度为
0. 08MPa)定型,养护 20天,打磨,即得成品人造石。 将成品人造石按上述相关标准进行检
说 明 书
测,结果如下:
力学性能测试结果 (见表 4-1 )显示该人造石的各项力学性能均符合标准规定。
[0047] 表 4-1 力学性能测试结果
耐候性测试 (耐 UV老化测试): 200小时,外观无破裂、气泡、裂痕及表面质感变化,老化 测试前后色差 1. 17。
[0048] 耐污染性测试见表 4-2 :
表 4-2各种试剂的耐污值结果
说
书
耐污值总和为 48,样品测试结果符合标准。
[0049] 耐化学腐蚀测试、耐加热性测试、耐水性测试均符合 JC 908-2002的要求。氧指数 为 40, P且燃等级为 A1级,均符合国家标准。
[0050] V0C含量未检出,低于标准值。
[0051] 实施例 5
按如下配方,制造人造石:
硅丙乳液 (粘度为 50raPaS ;固体含量(wt%)为 40%) 6%
苯丙乳液(固体含量(wt%)为 40%,粘度为 400mPa * s,单体残留量 0. 5%, PH值 9. 0)
5%
聚氨酯改性丙烯酸乳液 (聚氨酯的含量为 25%) 1. 5%
石英砂 (粒径为 40-1000目) 30%
玻璃粉 (粒径为 40-1000目) 15%
硅酸钠(粒径为 40-1000目) 30%
人造石用黑色颜料 (商品) 1%
水
按上述配方量,将各组分进行搅拌混合均匀,然后倒入模具,抽真空 (真空度为 0. 07MPa)定型,养护 30天,打磨,即得成品人造石。 将成品人造石按上述相关标准进行检
测,结果如下:
力学性能测试结果,见表 5-1,显示该人造石的各项力学性能均符合标准规定。
[0052] 表
说
书
耐候性测试 (耐 UV老化测试): 200小时,外观无破裂、气泡、裂痕及表面质感变化,老化 测试前后色差 1. 16。
[0053] 耐污染性测试见表 5 - 2 :
表 5-2各种试剂的耐污值结果
说
书
耐污值总和为 58,最大污染迹深度为 0. Imm (由未加盖的蓝色水溶性墨水测得),样品 测试结果符合标准。
[0054] 耐化学腐蚀测试、耐加热性测试、耐水性测试均符合 JC 908-2002的要求。氧指数 为 40,阻燃等级为 A1级,均符合国家标准。
[0055] V0C含量未检出,低于标准值。
Claims
1. 一种人造石,由水性高分子材料和无机材料制备而成,其特征在于,所述水性髙分 子材料选自丙烯酸酯乳液、硅丙乳液、苯丙乳液、聚氨酯改性丙烯酸酯乳液、叔碳酸乙烯 酯 -丙烯酸酯乳液、醋酸乙烯酯 -丙烯酸酯乳液、羟基丙烯酸乳液、水性聚氨酯分散体、有 机硅改性聚氨酯分散体、水性氨基树脂、水性环氧树脂、环氧改性丙烯酸乳液中的一种或几 种;其中,各乳液的粘度为 50- 2500mPas,固体含量(wt%)为 30-70%。
2. 如权利要求 1所述的一种人造石,其特征在于,所述的水性高分子材料的质量占配 方总质量的 2%-20%。
3.如权利要求 1所述的一种人造石,其特征在于,硅丙乳液的粘度 50- 800mPas,固体含 量(wt%)为 40~60%;苯丙乳液的粘度 80 ~ 2000mPa · s,固体含量 45~60%,单体残留量小于 1. 0%, PH值为 8〜 9;聚氨酯改性丙烯酸乳液中聚氨酯的含量为 25%-65%。
4. 如权利要求 3所述的一种人造石,其特征在于,硅丙乳液的粘度为 100-600mPas,固 含量为 45-50%。
5.如权利要求 3所述的一种人造石,其特征在于,苯丙乳液的粘度为 300-1000mPas,固 含量为 50-55%。
6. 如权利要求 1所述的一种人造石,其特征在于,其配方如下 - 水性高分子材料 5-15%
石英砂 15-30%
玻璃粉 15-25%
硅酸盐 30-50%
颜料 1-3%
水 余量
其中,石英砂的粒径为 40目到 1000目;玻璃粉粒径为 40目到 1000目;硅酸盐选自硅 酸钠,石棉,长石(Κ20 · Α1203 · 6Si02),膨润土、蒙脱土、凹凸棒土,水泥,黏土中的至少一种, 粒径为 0目到 1000目。
7.如权利要求 6所述的一种人造石,其特征在于,水性高分子材料由 40-50%的硅丙乳 液、 20- 40%的苯丙乳液、 8- 25%的聚氨酯改性丙烯酸乳液组成。
8. 如权利要求 6所述的一种人造石,其特征在于,其配方如下:
硅丙乳液 7%
苯丙乳液 4%
聚氨酯改性丙烯酸乳液 2%
石英砂 20%
玻璃粉 20%
硅酸盐 40%
颜料 2%
水 5%。
9. 如权利要求 6所述的一种人造石,其特征在于,石英砂的粒径为 40目到 800目;玻 璃粉粒径为 40目到 800目。
10. —种如权 1-9任一权利要求所述的一种人造石的制造方法,其特征在于,步骤如 下:按配方量,将各组分进行搅拌混合均匀,然后倒入模具,抽真空定型,放置养护 7天以
权 利 要 求 书 磨,即得成品人造石
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CN103342501A (zh) * | 2013-07-02 | 2013-10-09 | 广东海顺新材料科技有限公司 | 一种水性人造石及制备方法 |
CN103360561A (zh) * | 2013-07-02 | 2013-10-23 | 广东海顺新材料科技有限公司 | 一种聚氨酯改性丙烯酸乳液、制备方法及其制备的人造石 |
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