CN102428054B - 含纤维的浆状建筑材料 - Google Patents
含纤维的浆状建筑材料 Download PDFInfo
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- CN102428054B CN102428054B CN201080021570.9A CN201080021570A CN102428054B CN 102428054 B CN102428054 B CN 102428054B CN 201080021570 A CN201080021570 A CN 201080021570A CN 102428054 B CN102428054 B CN 102428054B
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- fibrous
- pulpous state
- vinyl
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- 239000000665 guar gum Substances 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
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- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- NJHKAQVWUIYFMM-UHFFFAOYSA-N methyl 2-hydroxyacetate;2-methylprop-2-enamide Chemical compound COC(=O)CO.CC(=C)C(N)=O NJHKAQVWUIYFMM-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- RPQRDASANLAFCM-UHFFFAOYSA-N oxiran-2-ylmethyl prop-2-enoate Chemical compound C=CC(=O)OCC1CO1 RPQRDASANLAFCM-UHFFFAOYSA-N 0.000 description 1
- 229940059574 pentaerithrityl Drugs 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000010451 perlite Substances 0.000 description 1
- 235000019362 perlite Nutrition 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- QJWFJOSRSZOLKK-UHFFFAOYSA-N prop-2-enamide Chemical compound NC(=O)C=C.NC(=O)C=C QJWFJOSRSZOLKK-UHFFFAOYSA-N 0.000 description 1
- FBCQUCJYYPMKRO-UHFFFAOYSA-N prop-2-enyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCC=C FBCQUCJYYPMKRO-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000003340 retarding agent Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910021487 silica fume Inorganic materials 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229940095064 tartrate Drugs 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
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
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/38—Fibrous materials; Whiskers
-
- 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
- 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
- C04B26/06—Acrylates
-
- 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
- C04B26/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing halogen
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
-
- 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
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/0045—Polymers chosen for their physico-chemical characteristics
- C04B2103/0065—Polymers characterised by their glass transition temperature (Tg)
-
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- 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
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00482—Coating or impregnation materials
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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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00663—Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
- C04B2111/00672—Pointing or jointing materials
-
- 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
- C04B2111/10—Compositions or ingredients thereof characterised by the absence or the very low content of a specific material
- C04B2111/1037—Cement free compositions, e.g. hydraulically hardening mixtures based on waste materials, not containing cement as such
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- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/60—Flooring materials
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Abstract
本发明涉及含纤维的浆状建筑材料,该材料包含a)一种或多种填料,b)可选的添加剂,其特征在于它们含有c)纤维,d)基于一种或多种烯键式不饱和单体的一种或多种聚合物,具有≥-15℃的玻璃化转变温度Tg,e)按重量计≤5%的水固化粘结剂,以及f)水,其中按重量计的%是相对于含纤维的浆状建筑材料的干重。
Description
技术领域
本发明涉及含纤维的浆状建筑组合物(paste-like building composition)以及其用途,例如用于制造没有编织增强织物的复合保温***。
背景技术
为了制造复合保温***(CTIS),通常借助于粘性灰浆将隔热板,例如硬质泡沫板或岩棉板,固定于砖石建筑,其中放置编织增强织物的增强层,通常是编织玻璃纤维织物,随后施加于隔热板,最后用面底灰覆盖复合***。因此,DE-A2516916或DE-A4216204描述了增强层的生产:首先将包含按重量计8%至17%的水固化粘结剂的聚合物改性建筑组合物施加于隔热板,随后嵌入编织纤维织物,例如编织玻璃纤维织物或玻璃纤维网格布。未描述没有编织增强织物的涂料。在DE-A 4216204中,建议通过提供矿物隔热板和底灰(包含按重量计15%至28%的水固化粘结剂)的水泥基层来隔热建筑物,其中编织纤维织物嵌入在保温板和底灰层之间。底灰层可以另外包含纤维材料或聚合物作为粘附促进剂。
因此,将编织纤维织物增强的增强层施加于保温板原则上要求多个操作。在一个步骤中,将增强组合物施加于保温板,在另一步骤中,将编织增强织物嵌入增强组合物,最后整平增强组合物。将编织增强织物引入施加的增强组合物是这样的步骤,其不仅花费工作时间而且花费材料(编织增强织物)。如果没有编织增强织物的增强层在固化以后具有和由增强组合物和另外加入的编织增强织物构成的常规增强层相同的性能,则过程会更简单并且较少劳动密集型的。
用于生产没有编织增强织物的复合保温***的一些方式是已知的。因此,DE-A 10248098描述了复合保温***,其包括隔热板和玻璃纤维增强的、底灰的水泥基层。DE-A 2622465描述了含纤维水泥基底灰。DE-A 10248098和DE-A 2622465的含纤维底灰并没有用基于烯键式不饱和单体的聚合物加以改性。DE-A 19624149的底灰也不包含任何基于烯键式不饱和单体的聚合物。在DE-A 3429251中,合成树脂涂覆组合物用于涂布隔热层,其包含玻璃化转变温度Tg低于-15℃的交联或可交联聚合物和可选的另外的纤维。预交联或可交联聚合物的使用导致脆性底灰,其具有裂纹形成的风险。在DE-A 102004048584中,包含碳纤维和粘合剂的外部底灰制剂被推荐用于生产用编织纤维织物增强的复合保温***。DE-A19839295涉及包括轻质矿物隔热板的复合保温***,其中上述轻质矿物隔热板已涂布有水硬轻质底灰并沿着接合处胶接于轻质底灰。基于干组合物,水硬轻质底灰包含按重量计10%至30%的水固化粘结剂、聚合物分散体和棉纤维。DE-A 4032769推荐包含基于聚合物分散体的粘合剂或无机粘合剂的涂覆组合物用于复合保温***。DE-A 3040077披露了用于涂布隔热板的抹灰干灰浆,其中抹灰干灰浆包含玻璃纤维、聚合物粘合剂和按重量计至少10%(基于干组合物)的水固化粘结剂。DE-A 2703342描述了包含聚合物、纤维和按重量计15%至40%(基于干组合物)的水固化粘结剂的灰浆,用于涂布保温板。DE-A 19950441描述了纤维改性壁底灰,其包含基于丙烯酸酯和苯乙烯的共聚物以及还有乙基羟乙基纤维素作为粘合剂。DE-A 102008043988推荐含纤维的、聚合物改性干灰浆配方,其另外包含按重量计10%至30%的水固化粘结剂,用于生产复合保温***。
另外,DE-A 19624149描述了用于装饰用途的纤维改性底灰。DE-A19903756推荐了装饰底灰,其包含有机聚合物作为粘合剂以及填料和聚合物短纤维作为另外的成分。
尽管存在用于生产含纤维增强层的许多方式,但仍然需要这样的建筑组合物,其中纤维是更加相容的并更加强烈相互作用于增强层的另外的成分,并且,与此相关联地,导致形成具有改善的机械性能和更低开裂倾向的复合保温***。
发明内容
在此背景下,本发明的一个目的是提供含纤维的浆状建筑组合物,借此能够克服上述缺点。
本发明的主题是含纤维的浆状建筑组合物,包含a)一种或多种填料,b)可选的添加剂,特征在于存在c)纤维,d)基于一种或多种烯键式不饱和单体并具有≥-15℃的玻璃化转变温度Tg的一种或多种聚合物,e)按重量计≤5%的水固化粘结剂(hydraulically setting binder)以及f)水,其中按重量计的%是基于含纤维的浆状建筑组合物的干重。
合适填料a)的实例是硅砂(silica sand)、石英粉、碳酸钙、白云石、硅酸铝、粘土、白垩、白色熟石灰、滑石或云母或其它轻质填料如浮石、泡沫玻璃、加气混凝土、珍珠岩、蛭石、碳纳米管(CNT)。还可以使用上述填料的任何混合物。优选使用硅砂、石英粉、碳酸钙、白垩或白色熟石灰。通常,含纤维的浆状建筑组合物包含按重量计30%至90%、优选40%至80%的填料,在每种情况下均基于含纤维的浆状建筑组合物的干重。
用于含纤维的浆状建筑组合物的常规添加剂b)是增稠剂,例如多糖如纤维素醚和改性纤维素醚、淀粉醚、瓜尔胶、黄原胶、层状硅酸盐、聚羧酸如聚丙烯酸和其偏酯,以及可以可选地被缩醛化或疏水改性的聚乙烯醇,酪蛋白和伴随作用的增稠剂(associatedly acting thickener)。常规添加剂还包括阻滞剂(缓凝剂,retarder)如羟基烃酸或二羧酸或它们的盐、糖类、草酸、琥珀酸、酒石酸、葡糖酸、柠檬酸、蔗糖、葡萄糖、果糖、山梨醇、季戊四醇。常规添加剂包括固化促进剂(setting accelerator),例如无机或有机酸的碱金属或碱土金属盐。可以提及的另外的添加剂是:疏水剂、防腐剂、成膜剂、分散剂、泡沫稳定剂、防沫剂和阻燃剂(例如氢氧化铝)。
以常规量使用添加剂b),其取决于添加剂的类型。通常,用量按重量计为0.1%至10%,在每种情况下均基于含纤维的浆状建筑组合物的干重。
合适的纤维c)是,例如,天然或合成纤维材料,其基于有机或无机材料,以及它们的混合物。天然有机纤维的实例是棉纤维、***纤维、黄麻纤维、亚麻纤维、木纤维、纤维素、粘胶纤维(viscose)、皮革纤维或剑麻(sisal)。合成有机纤维的实例是粘胶纤维、聚酰胺纤维、聚酯纤维、聚丙烯腈纤维、Dralon纤维、聚乙烯纤维、聚丙烯纤维、聚乙烯醇纤维或芳纶纤维。无机纤维可以是,例如,玻璃纤维、碳纤维、矿棉纤维或金属纤维。优选棉纤维、聚丙烯腈纤维和纤维素纤维。
所使用的纤维通常具有0.1μm至16mm的长度,优选10μm至5mm。然而,还可以使用更短或更长的纤维。特别优选使用长度为10μm至1mm的纤维。可以以下述形式来使用纤维:松散纤维、胶接成束的纤维、原纤化纤维(fibrillated fiber)、复丝纤维或用于加入的包装纤维(fibers inpackaging for addition)。本发明的一个优点在于,并不必须以机织物的形式来使用纤维。因此,纤维优选并不包括机织物、无纺布或片状材料。通常,含纤维的浆状建筑组合物包含按重量计0.1%至5%、优选0.5%至2%的纤维,在每种情况下均基于含纤维的浆状建筑组合物的干重。
水固化粘结剂e)是,例如,水泥,尤其是波特兰水泥(Portland cement)、高铝水泥、粗面凝灰岩水泥(trass cement)、矿渣水泥、镁氧水泥(magnesiacement)、磷酸盐水泥或高炉水泥(blast furnace cement)、以及混合水泥、填充水泥(filling cement)、粉煤灰(fly ash)、硅微粉(microsilica)、水硬石灰(hydraulic lime)和粉饰用石膏粉(gypsum plaster)。优选波特兰水泥、高铝水泥、矿渣水泥以及混合水泥、填充水泥、水硬石灰和粉饰用石膏粉。通常,含纤维的浆状建筑组合物包含按重量计≤2%并且优选≤1%的水固化粘结剂,在每种情况下均基于含纤维的浆状建筑组合物的干重。含纤维的浆状建筑组合物最优选并不包含任何水固化粘结剂。
含纤维的浆状建筑组合物优选包含按重量计4%至26%的水,特别优选6%至20%以及最优选8%至14%,在每种情况下均基于含纤维的浆状建筑组合物的干质量。
为了制备聚合物d),可以使用一种或多种烯键式不饱和单体,其选自乙烯基酯、(甲基)丙烯酸酯、乙烯基芳族化合物(vinylaromatics)、烯烃、1,3-二烯、乙烯基卤化物(vinyl halide)以及可选的另外的可与其共聚合的单体。聚合物优选是不交联的或可交联的。
合适的乙烯基酯是那些具有1至15个碳原子的羧酸的乙烯基酯。优选乙酸乙烯酯、丙酸乙烯酯、丁酸乙烯酯、2-乙基己酸乙烯酯、月桂酸乙烯酯、乙酸1-甲基乙烯酯、新戊酸乙烯酯以及具有9至11个碳原子的α-支链一元羧酸的乙烯基酯,例如VeoVa9R或VeoVa10R(Resolution的商标),特别优选乙酸乙烯酯。
来自丙烯酸酯或甲基丙烯酸酯的组的适宜单体是具有1至15个碳原子的无支链或支链醇的酯。优选的甲基丙烯酸酯或丙烯酸酯是丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸乙酯、甲基丙烯酸乙酯、丙烯酸丙酯、甲基丙烯酸丙酯、丙烯酸正丁酯、甲基丙烯酸正丁酯、丙烯酸叔丁酯、甲基丙烯酸叔丁酯、丙烯酸-2-乙基己酯。特别优选丙烯酸甲酯、甲基丙烯酸甲酯、丙烯酸正丁酯、丙烯酸叔丁酯和丙烯酸-2-乙基己酯。
优选的乙烯基芳族化合物是苯乙烯、甲基苯乙烯和乙烯基甲苯。优选的乙烯基卤化物是乙烯基氯。优选的烯烃是乙烯、丙烯,以及优选的二烯是1,3-丁二烯和异戊二烯。
基于单体混合物的总重量,可以可选地共聚合按重量计0.1%至5%的辅助单体(auxiliary monomer)。优选使用按重量计0.5%至2.5%的辅助单体。辅助单体的实例是烯键式不饱和一元羧酸和二羧酸,优选丙烯酸、甲基丙烯酸、富马酸和马来酸;烯键式不饱和羧酰胺和羧酸腈,优选丙烯酰胺(acrylamide)和丙烯腈;富马酸和马来酸的单酯和二酯,例如二乙酯和二异丙酯,以及马来酸酐;烯键式不饱和磺酸或其盐,优选乙烯基磺酸、2-丙烯酰胺-2-甲基丙烷磺酸。另外的实例是交联共聚单体如多烯键式不饱和共聚单体,例如邻苯二甲酸二烯丙酯、己二酸二乙烯酯、马来酸二烯丙酯、甲基丙烯酸烯丙酯或氰尿酸三烯丙酯,或后交联共聚单体,例如丙烯酰胺乙醇酸(AGA)、甲基丙烯酰胺乙醇酸甲酯(MMAG)、N-羟甲基丙烯酰胺(NMA)、N-羟甲基甲基丙烯酰胺、N-羟甲基氨基甲酸烯丙酯(allylN-methylolcarbamate),烷基醚如异丁氧基醚或N-羟甲基丙烯酰胺、N-羟甲基甲基丙烯酰胺和N-羟甲基氨基甲酸烯丙酯的酯。交联单体还包括环氧官能团共聚单体如甲基丙烯酸缩水甘油酯和丙烯酸缩水甘油酯。交联单体的另外实例是硅酮官能团共聚单体如丙烯酰氧基丙基三(烷氧基)硅烷和甲基丙烯酰氧基丙基三(烷氧基)硅烷、乙烯基三烷氧基硅烷和乙烯基甲基二烷氧基硅烷,其中,例如,乙氧基和乙氧基丙二醇醚基团能够存在作为烷氧基。还可以提及具有羟基或CO基团的单体,例如甲基丙烯酸羟烷基酯和丙烯酸羟烷基酯如丙烯酸或甲基丙烯酸的羟乙酯、羟丙酯或羟丁酯以及化合物如双丙酮丙烯酰胺和乙酰基乙酰氧基乙基丙烯酸酯或甲基丙烯酸酯。基于聚合物d)的总质量,聚合物d)优选包含按重量计≤1%的交联单体单元,以及聚合物d)特别优选不包含任何交联基团。
聚合物d)优选具有≥-13℃的玻璃化转变温度Tg,特别优选-10至+50℃,非常特别优选-10至+35℃以及最优选-7至+20℃。
选择单体和选择按重量计共聚单体的比例以获得上述玻璃化转变温度。可以用已知方式并借助于差示扫描量热法(DSC)来确定聚合物的玻璃化转变温度Tg。还可以借助于Fox方程事先大约计算Tg。按照Fox T.G.,Bull.Am.Physics Soc.1,3,page 123(1956):1/Tg=x1/Tg1+x2/Tg2+...+xn/Tgn,其中xn是单体n的质量分数(%按重量计/100)以及Tgn是单体n的均聚物的玻璃化转变温度(绝对温度)。在Polymer Handbook 2nd Edition,J.Wiley&Sons,New York(1975)中给出均聚物的Tg值。
优选一种或多种乙烯基酯与具有按重量计1%至50%的乙烯的共聚物;乙酸乙烯酯与按重量计1%至50%的乙烯以及按重量计1%至50%的一种或多种另外的共聚单体的共聚物,该另外的共聚单体选自由在羧酸基团中具有1至12个碳原子乙烯基酯组成的组,例如丙酸乙烯酯、月桂酸乙烯酯、具有9至13个碳原子的α-支链羧酸的乙烯基酯,例如VeoVa9、VeoVa10、VeoVa11;一种或多种乙烯基酯、按重量计1%至50%的乙烯和按重量计优选1%至60%的具有1至15个碳原子的无支链或支链醇的(甲基)丙烯酸酯(尤其是丙烯酸正丁酯或丙烯酸2-乙基己酯)的共聚物;以及这样的共聚物,其包含按重量计30%至75%的乙酸乙烯酯、按重量计1%至30%的月桂酸乙烯酯或具有9至11个碳原子的α-支链羧酸的乙烯基酯和按重量计1%至30%的具有1至15个碳原子的无支链或支链醇的(甲基)丙烯酸酯,尤其是丙烯酸正丁酯或丙烯酸2-乙基己酯,其另外包含按重量计1%至40%的乙烯;包含一种或多种乙烯基酯、按重量计1%至50%的乙烯和按重量计1%至60%的乙烯基氯的共聚物;其中聚合物可以另外包含所述量的上述辅助单体,以及在每种情况下按重量计的百分比的加和为按重量计100%。
优选(甲基)丙烯酸酯聚合物如丙烯酸正丁酯或丙烯酸2-乙基己酯的共聚物或甲基丙烯酸甲酯与丙烯酸正丁酯和/或丙烯酸2-乙基己酯的共聚物;苯乙烯-丙烯酸酯共聚物,其中一种或多种单体选自由丙烯酸甲酯、丙烯酸乙酯、丙烯酸丙酯、丙烯酸正丁酯、丙烯酸2-乙基己酯组成的组;乙酸乙烯酯-丙烯酸酯共聚物,其中一种或多种单体选自由丙烯酸甲酯、丙烯酸乙酯、丙烯酸丙酯、丙烯酸正丁酯、丙烯酸2-乙基己酯和可选的乙烯组成的组;苯乙烯-1,3-丁二烯共聚物,其中聚合物可以另外包含所述量的上述辅助单体并且在每种情况下按重量计的百分比的加和按重量计为100%。
最优选的聚合物e)是:包含乙酸乙烯酯和按重量计5%至50%的乙烯的共聚物;包含乙酸乙烯酯、按重量计1%至50%的乙烯和按重量计1%至50%的具有9至11个碳原子的α-支链一元羧酸的乙烯基酯的共聚物;或这样的共聚物,其包含按重量计30%至75%的乙酸乙烯酯、按重量计1%至30%的月桂酸乙烯酯或具有9至11个碳原子的α-支链羧酸的乙烯基酯和按重量计1%至30%的具有1至15个碳原子的无支链或支链醇的(甲基)丙烯酸酯,其另外包含按重量计1%至40%的乙烯;或包含乙酸乙烯酯、按重量计5%至50%的乙烯和按重量计1%至60%的乙烯基氯的共聚物。
通常在水介质中进行聚合物d)的制备并且优选通过乳液聚合或悬浮聚合工艺,如例如在DE-A 102008043988中所描述的。以水分散体的形式获得聚合物。如在DE-A 102008043988中所描述的,可以利用常规保护胶体和/或乳化剂进行聚合。优选使用水解度为80mol%至100mol%的部分水解或完全水解的聚乙烯醇,尤其是水解度为80mol%至94mol%和在4%浓度水溶液中郝普乐粘度(viscosity)为1至30mPa(郝普乐法(method),在20℃下,DIN 53015)的部分水解的聚乙烯醇,作为保护胶体。上述保护胶体可以通过本领域技术人员已知的方法来获得并且在聚合中通常添加总量按重量计为1至20%(基于单体的总重量)。
如在DE-A 102008043988中所描述的,可以将水分散体形式的聚合物d)转化成相应的水可再分散粉末。通常,使用助干剂,基于分散体的聚合物成分,助干剂的用总量按重量计为3%至30%,优选5%至20%。作为助干剂,上述聚乙烯醇是优选的。
含纤维的浆状建筑组合物优选包含按重量计2%至25%的聚合物d),特别优选4%至17%以及最优选6%至10%,在每种情况下均基于含纤维的浆状建筑组合物的干质量。
制备含纤维的浆状建筑组合物通常通过在常规混合装置中混合和均化成分a)至f)来进行。还可以首先分别用水f)混合各个成分或所有成分a)至e)以产生建筑组合物。可以以水可再分散粉末的形式,作为水可再分散粉末的水再分散体,或优选以水分散体的形式,来使用聚合物d)。各个成分的加入次序是不重要的。
可以借助于本领域技术人员熟悉的手动或机器工序来施加含纤维的浆状建筑组合物。含纤维的浆状建筑组合物特别适合作为用于并不包含任何编织纤维织物的复合保温***的增强组合物。为了产生增强层,将含纤维的浆状建筑组合物施加于隔离材料(insulation material),尤其是隔板(insulation board)。常规隔离材料是EPS(膨胀型聚苯乙烯)、XPS(=挤塑聚苯乙烯)、聚氨酯、刚性甲阶酚醛树脂泡沫(rigid resol resin foam)、矿物棉(mineral wool)、***纤维(hemp)、芦苇(reed)、木纤维。
含纤维的浆状建筑组合物的另外的应用是用于粘合剂和涂覆组合物中。粘合剂的实例是用于保温板和隔音板的粘合剂,砖粘合剂和用于粘附地粘接木材和木质材料的粘合剂。涂覆组合物的实例是灰浆(mortars)、自流平组合物(self-leveling composition)、整平浆(screed)、底灰(renders)。
根据本发明聚合物d)在含纤维的浆状建筑组合物中的使用最终导致具有有利的使用性能的产品,例如在复合保温***的各成分之间所期望的粘结结合或增强层的改善的机械性能,尤其是改善的冲击强度。这可以归因于根据本发明使用的聚合物与纤维c)以及还有建筑组合物的另外的成分的有利的相互作用和相容性。这种有利的相互作用和相容性的进一步的后果是含纤维的浆状建筑组合物的良好的加工性能。
甚至在没有使用编织纤维织物的情况下,根据本发明的过程也产生和包含编织纤维织物的可比较***具有相同性能的复合保温***。编织纤维织物的省略使得可以节省敷设费用和材料成本。然而,为了进一步增加复合保温***的机械性能,当然也可以额外使用编织纤维织物。另外,本发明的含纤维的浆状建筑组合物可以直接使用并且可以在建筑工地直接处理而无需添加另外的成分。在涂抹和装饰用途中这是特别有利的,因为建筑组合物的混合存在以下缺点:与此相关的时间支出。然而,作为一种替代,在使用前,本发明的含纤维的浆状建筑组合物可以混合另外的成分如水固化粘结剂(hydraulically setting binder)。上述粘结剂e)特别可用于此目的,基于含纤维的浆状建筑组合物的干质量,用量按重量计优选为5%至30%,特别优选10%至20%。可以可选地添加另外的水。
具体实施方式
以下实施例用来说明本发明:
在(比较例)实施例1至10中,使用以下聚合物分散体:
分散体1:
玻璃化转变温度Tg为+14℃和固体含量SC按重量计为60%的月桂酸乙烯酯-乙烯-乙烯基氯三元共聚物的乳化剂稳定的水分散体。
分散体2:
玻璃化转变温度Tg为+9℃和固体含量SC按重量计为60%的乙酸乙烯酯-乙烯共聚物的乳化剂稳定的水分散体。
分散体3(比较分散体):
玻璃化转变温度Tg为-22℃和固体含量SC按重量计为50%的基于丙烯酸酯共聚物的乳化剂稳定的水分散体。
为了制备实施例(Ex.)和比较例(CEx.)1至6以及9和10的浆状建筑组合物,以指定量混合在表1或表2中的组分1下指示的各成分:
首先将水放入混合容器,然后添加液体成分,随后混入纤维,接着添加聚合物分散体,最后混入填料和其余成分。
在实施例7和比较例8中,建筑组合物是包含水泥作为另外的成分的双组分体系(two-component system)。组合物是以和上述(比较例)实施例类似的方式加以制备,不同之处在于,紧接着在施加含纤维的浆状建筑组合物以前,搅拌一定量的另外的水和水泥作为指定组分二。
比较例8是包含水泥但不包含纤维的常规浆状双组分建筑组合物,其中另外嵌入编织玻璃纤维织物。
为了产生增强层,将各自的建筑组合物施加于EPS(膨胀型聚苯乙烯)板。
相对于比较例8的常规建筑组合物,并针对机械稳定性、可延展性、气孔形成和赋予的等级(非常好、良好、满意、不满意),评估了浆状建筑组合物的性能。
为了产生增强层,以4mm的层厚度,将(比较例)实施例1至10的浆状建筑组合物各自施加于EPS(膨胀型聚苯乙烯)板。在比较例8的情况下,另外将编织玻璃纤维织物放入增强层。
按照DIN EN 13494,在温度和湿度的标准条件下,在固化增强层28天以后,按照检测方法DIN 18555-6,测定了粘合拉拔强度和在EPS板上的拉出率(Pull-out)。按照检测方法ISO 7892,测定了EPS的凹陷值(dentingvalue)。测试结果总结在表3和表4中。
结果表明,根据本发明的含纤维的浆状建筑组合物(实施例1至7和9)可以像常规无纤维建筑组合物(比较例8)一样加以处理。未发现机械稳定性、可延展性和气孔形成的恶化。
和常规无纤维建筑组合物相比,改善了与保温板的粘附(表3和4:比较例8和实施例1至7和实施例9的粘合拉拔强度和EPS拉出率)。
令人惊讶的是,根据本发明的增强底灰的凹陷值部分地(实施例1至4)好于用编织玻璃纤维织物增强的水泥基标准增强底灰(比较例8)的值。根据比较例10与根据本发明的实施例的比较,可以看到聚合物的玻璃化转变温度Tg对增强底灰的机械性能的意想不到的影响。
表1:
表2:
表3:测试结果:
Ex.1 | Ex.2 | Ex.3 | Ex.4 | Ex.5 | |
编织玻璃纤维织物 | 无 | 无 | 无 | 无 | 无 |
粘合拉拔强度[N/mm2] | 0.12 | 0.11 | 0.12 | 0.11 | 0.11 |
EPS拉出率(%) | 90 | 85 | 90 | 85 | 85 |
凹陷值[J] | 5 | 5 | 5 | 5 | 3 |
机械稳定性 | 良好 | 良好 | 良好 | 良好 | 良好 |
可延展性 | 良好 | 良好 | 良好 | 良好 | 良好 |
气孔 | 良好 | 良好 | 良好 | 良好 | 良好 |
表4:测试结果:
Ex.6 | Ex.7 | CEx.8 | Ex.9 | CEx.10 | |
编织玻璃纤维织物 | 无 | 无 | 有 | 无 | 无 |
粘合拉拔强度[N/mm2] | 0.12 | 0.11 | 0.10 | 0.12 | 0.07 |
EPS拉出率(%) | 90 | 85 | 75 | 90 | 65 |
凹陷值[J] | 4 | 3 | 3 | 5 | 2 |
机械稳定性 | 良好 | 良好 | 良好 | 良好 | 良好 |
可延展性 | 良好 | 良好 | 良好 | 良好 | 良好 |
气孔 | 良好 | 良好 | 良好 | 良好 | 良好 |
Claims (9)
1.一种含纤维的浆状建筑组合物,包含a)按重量计40%至80%的一种或多种填料,b)可选的按重量计0.1%至10%的另外的添加剂,其特征在于存在c)按重量计0.1%至5%的纤维,d)按重量计6%至10%的基于一种或多种烯键式不饱和单体并具有≥-15℃的玻璃化转变温度Tg的一种或多种聚合物,e)按重量计≤5%的水固化粘结剂,以及按重量计4%至26%的水,其中按重量计%是基于所述含纤维的浆状建筑组合物的干重,所述聚合物d)选自以下共聚物构成的组:一种或多种乙烯基酯与按重量计1%至50%乙烯的共聚物;乙酸乙烯酯与按重量计1%至50%乙烯以及按重量计1%至50%的一种或多种另外的共聚单体的共聚物,其中所述一种或多种另外的共聚单体选自由在羧酸基团中具有1至12个碳原子的乙烯基酯组成的组;包含按重量计30%至75%的乙酸乙烯酯、按重量计1%至30%的月桂酸乙烯酯或具有9至11个碳原子的α-支链羧酸的乙烯基酯以及还有按重量计1%至30%的具有1至15个碳原子的无支链或支链醇的(甲基)丙烯酸酯的共聚物,其另外包含按重量计1%至40%的乙烯;包含一种或多种乙烯基酯、按重量计1%至50%的乙烯以及按重量计1%至60%的乙烯基氯的共聚物;其中各自共聚物按重量计的%数字的加和按重量计为100%。
2.根据权利要求1所述的含纤维的浆状建筑组合物,其特征在于,选自由有机和无机纤维组成的组中的一种或多种纤维作为纤维c)。
3.根据权利要求1或2所述的含纤维的浆状建筑组合物,其特征在于,所述聚合物d)具有-13至+50℃的玻璃化转变温度Tg。
4.一种用于生产没有编织增强织物的增强组合物的方法,其中,根据权利要求1至3中任一项所述的含纤维的浆状建筑组合物施加于隔板。
5.根据权利要求4所述的方法,其特征在于,根据权利要求1至3中任一项所述的含纤维的浆状建筑组合物施加于基于EPS(膨胀型聚苯乙烯)、XPS(挤塑聚苯乙烯)、聚氨酯、刚性甲阶酚醛树脂泡沫、矿物棉、***纤维、芦苇、木纤维的隔板。
6.根据权利要求4或5所述的方法,其特征在于,生产不含任何编织增强织物的复合保温***。
7.根据权利要求1至3中任一项所述的含纤维的浆状建筑组合物用于生产粘合剂或涂覆组合物的用途。
8.根据权利要求7所述的含纤维的浆状建筑组合物的用途,用于生产用于保温板、隔音板的粘合剂,砖粘合剂,用于粘附地粘接木材或木质材料。
9.根据权利要求7所述的含纤维的浆状建筑组合物的用途,用于生产灰浆、自流平组合物、整平浆或底灰。
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EP2607330B1 (de) * | 2011-12-19 | 2015-03-04 | STO SE & Co. KGaA | Dämmsystem umfassend ein Dämmelement sowie eine auf das Dämmelement aufzutragende Putzmasse |
DE102012203881A1 (de) * | 2012-03-13 | 2013-09-19 | Wacker Chemie Ag | Verwendung von anorganischen Materialien zur Herstellung von Verbundstoffen |
DE102012209210A1 (de) * | 2012-05-31 | 2013-12-05 | Wacker Chemie Ag | Vinylacetat-Copolymere für hydraulisch abbindende Baustoffmassen |
FR3018220B1 (fr) * | 2014-03-07 | 2020-08-14 | Saint-Gobain Placo | Plaque acoustique a base de platre. |
EP3122791B1 (en) * | 2014-03-27 | 2018-05-02 | Wacker Chemical Corporation | Binder for paper coating compositions |
WO2017083078A1 (en) * | 2015-11-10 | 2017-05-18 | Dow Global Technologies Llc | Emulsion polymer two-component compositions for fast curing, flexible cementitious waterproofing membranes |
AU2017313451B2 (en) * | 2016-08-19 | 2022-05-12 | Sanvito, Alberto MR | Joint compound |
EP3625188B1 (en) * | 2017-05-15 | 2023-07-05 | Knauf Gips KG | Dry mortar for an external wall insulation system |
CN108342159A (zh) * | 2018-02-01 | 2018-07-31 | 重庆力能化工有限公司 | 一种环保型粘结材料的制作方法及施工工艺 |
WO2020001791A1 (de) | 2018-06-29 | 2020-01-02 | Wacker Chemie Ag | Trockenmörtelzusammensetzungen für wärmedämmverbundsysteme |
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CN113319977B (zh) * | 2021-05-26 | 2022-08-26 | 付中 | 玻镁板的生产方法和多层复合型玻镁板材的生产方法 |
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