JP5165985B2 - Thermal insulation laminate - Google Patents
Thermal insulation laminate Download PDFInfo
- Publication number
- JP5165985B2 JP5165985B2 JP2007263565A JP2007263565A JP5165985B2 JP 5165985 B2 JP5165985 B2 JP 5165985B2 JP 2007263565 A JP2007263565 A JP 2007263565A JP 2007263565 A JP2007263565 A JP 2007263565A JP 5165985 B2 JP5165985 B2 JP 5165985B2
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- Japan
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- insulating
- Prior art date
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- 238000009413 insulation Methods 0.000 title claims description 14
- 238000000576 coating method Methods 0.000 claims description 73
- 239000011248 coating agent Substances 0.000 claims description 72
- 239000000463 material Substances 0.000 claims description 72
- -1 modified silicate compound Chemical class 0.000 claims description 68
- 239000010410 layer Substances 0.000 claims description 50
- 150000003606 tin compounds Chemical class 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 28
- 125000000217 alkyl group Chemical group 0.000 claims description 26
- 239000011230 binding agent Substances 0.000 claims description 25
- 239000007787 solid Substances 0.000 claims description 18
- 125000004432 carbon atom Chemical group C* 0.000 claims description 15
- 239000000843 powder Substances 0.000 claims description 14
- 229920003002 synthetic resin Polymers 0.000 claims description 13
- 239000000057 synthetic resin Substances 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 7
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 125000004434 sulfur atom Chemical group 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 2
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- 238000002156 mixing Methods 0.000 description 49
- 229920005989 resin Polymers 0.000 description 26
- 239000011347 resin Substances 0.000 description 26
- 229920000178 Acrylic resin Polymers 0.000 description 14
- 239000004925 Acrylic resin Substances 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
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- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 10
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 10
- MYONAGGJKCJOBT-UHFFFAOYSA-N benzimidazol-2-one Chemical compound C1=CC=CC2=NC(=O)N=C21 MYONAGGJKCJOBT-UHFFFAOYSA-N 0.000 description 9
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- 230000005494 condensation Effects 0.000 description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
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- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 8
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- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 6
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
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- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000005338 heat storage Methods 0.000 description 4
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 4
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical group OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 125000002560 nitrile group Chemical group 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
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- 229940116351 sebacate Drugs 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-L sebacate(2-) Chemical compound [O-]C(=O)CCCCCCCCC([O-])=O CXMXRPHRNRROMY-UHFFFAOYSA-L 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 239000010426 asphalt Substances 0.000 description 3
- 238000006757 chemical reactions by type Methods 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
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- 238000007796 conventional method Methods 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PFNHSEQQEPMLNI-UHFFFAOYSA-N 2-methyl-1-pentanol Chemical compound CCCC(C)CO PFNHSEQQEPMLNI-UHFFFAOYSA-N 0.000 description 2
- DKIDEFUBRARXTE-UHFFFAOYSA-M 3-mercaptopropionate Chemical compound [O-]C(=O)CCS DKIDEFUBRARXTE-UHFFFAOYSA-M 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- 239000011398 Portland cement Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
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- 239000000654 additive Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000003373 anti-fouling effect Effects 0.000 description 2
- 239000003429 antifungal agent Substances 0.000 description 2
- 229940121375 antifungal agent Drugs 0.000 description 2
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- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- RSOILICUEWXSLA-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 RSOILICUEWXSLA-UHFFFAOYSA-N 0.000 description 2
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- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 description 1
- CAAMSDWKXXPUJR-UHFFFAOYSA-N 3,5-dihydro-4H-imidazol-4-one Chemical compound O=C1CNC=N1 CAAMSDWKXXPUJR-UHFFFAOYSA-N 0.000 description 1
- 125000003542 3-methylbutan-2-yl group Chemical group [H]C([H])([H])C([H])(*)C([H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- XNPPQWFAKVLIOW-UHFFFAOYSA-N triethyl propan-2-yl silicate Chemical compound CCO[Si](OCC)(OCC)OC(C)C XNPPQWFAKVLIOW-UHFFFAOYSA-N 0.000 description 1
- NMTHZFHSAHAZDZ-UHFFFAOYSA-N trimethyl 2-methylpropyl silicate Chemical compound CO[Si](OC)(OC)OCC(C)C NMTHZFHSAHAZDZ-UHFFFAOYSA-N 0.000 description 1
- CHUAQURBBLLEGO-UHFFFAOYSA-N trimethyl propan-2-yl silicate Chemical compound CO[Si](OC)(OC)OC(C)C CHUAQURBBLLEGO-UHFFFAOYSA-N 0.000 description 1
- ODHXBMXNKOYIBV-UHFFFAOYSA-N triphenylamine Chemical compound C1=CC=CC=C1N(C=1C=CC=CC=1)C1=CC=CC=C1 ODHXBMXNKOYIBV-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Landscapes
- Building Environments (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
Description
本発明は、新規な遮熱断熱積層体に関する。本発明積層体は、外壁、屋根、屋上等の建築物外装面に適用できる。 The present invention relates to a novel heat-insulating and heat-insulating laminate. The laminate of the present invention can be applied to building exterior surfaces such as outer walls, roofs, and rooftops.
従来、建築物の外装面に塗装を施すことによって、建築物の躯体を保護したり、美観性を向上させたりすることが行われている。このうち、建築物の温度上昇を防止し、冷房使用量の低減やヒートアイランド現象の抑制等を図ることを目的とした塗装方法が注目されている。 Conventionally, the exterior of a building has been painted to protect the building's enclosure or improve aesthetics. Among these, a painting method aimed at preventing an increase in the temperature of the building, reducing the amount of cooling used, suppressing the heat island phenomenon, and the like has attracted attention.
例えば、特開平１−１２６３７６号公報（特許文献１）、特開平１−２６３１６３号公報（特許文献２）では、構造物基体に対し、下層としてガラスバルーン、シラスバルーン、樹脂バルーン等の球状中空体を含む断熱性塗料を塗装した後、上層として太陽熱遮蔽顔料を含む塗料を塗装する方法が開示されている。 For example, in JP-A-1-126376 (Patent Document 1) and JP-A-1-263163 (Patent Document 2), a spherical hollow body such as a glass balloon, a shirasu balloon, or a resin balloon as a lower layer with respect to a structure substrate. A method of applying a paint containing a solar heat-shielding pigment as an upper layer after applying a heat-insulating paint containing benzene is disclosed.
上記従来技術では、いずれも太陽光を反射可能な上塗材によって上塗層が形成されており、一般の塗料と比較すれば、塗膜の温度上昇の程度を小さく抑えることが可能である。しかし、実際の屋外では経時的に上塗層に汚染物質が付着するおそれがある。このような汚染物質は、塗膜の美観性を損うだけでなく、太陽光を受けて蓄熱源となり、温度上昇を引き起こしやすいものである。
一方、上記従来技術において、下層の断熱層の膜厚を厚くして断熱性能を高めると、上層の上塗層で発生した熱が下層の方向に伝導・拡散することができなくなり、上塗層の温度上昇を招いてしまう。すなわち、下層の断熱性能の向上は、上塗層に対する熱的負荷を増大させてしまうものとなる。このような上塗層に対する熱的負荷の増大は、上塗材塗膜の軟化を招き、汚染物質の付着を助長するおそれがある。
In any of the above prior arts, the top coat layer is formed of a top coat material capable of reflecting sunlight, and the degree of temperature rise of the coating film can be suppressed to a small level as compared with general paints. However, there is a risk that contaminants may adhere to the overcoat layer over time in the actual outdoors. Such a pollutant not only impairs the aesthetics of the coating film, but also receives sunlight and becomes a heat storage source, which easily causes a temperature rise.
On the other hand, in the above prior art, if the heat insulation performance is increased by increasing the film thickness of the lower heat insulating layer, the heat generated in the upper overcoat layer cannot be conducted and diffused in the lower layer direction. The temperature rises. That is, the improvement of the heat insulation performance of the lower layer increases the thermal load on the topcoat layer. Such an increase in thermal load on the top coat layer may cause softening of the top coat film and promote adhesion of contaminants.
本発明は、このような点に鑑みなされたものであり、建築物外装面の表面に対し、美観性の高い仕上面を形成することができるとともに、建築物の温度上昇を抑制し、省エネルギーにも資する技術を提供することを目的とするものである。 This invention is made in view of such a point, and while being able to form the finishing surface with high aesthetics with respect to the surface of a building exterior surface, suppressing the temperature rise of a building and saving energy. The purpose is to provide technology that also contributes.
このような課題を解決するため本発明者らは鋭意検討を行った結果、断熱性下塗層の上に、特定の被覆材による上塗層を積層することに想到し、本発明を完成するに至った。 In order to solve such problems, the present inventors have intensively studied. As a result, the inventors have conceived that an overcoat layer made of a specific coating material is laminated on the heat-insulating undercoat layer, thereby completing the present invention. It came to.
すなわち、本発明は以下の特徴を有するものである。
１．建築物外装面を構成する遮熱断熱積層体であって、
外装面の屋内側から屋外側へ向かって、基材層（Ａ）、結合材及び中空粒子を含有する下塗材により形成される断熱性下塗層（Ｂ）、
非水系合成樹脂（ｐ）、炭素数１〜２のアルキル基と炭素数３以上のアルキル基が、９５：５〜５０：５０の当量比率で混在する変性シリケート化合物（ｑ）、赤外線反射性粉体（ｒ）、有機錫化合物（ｓ）、及び有機酸化合物（ｔ）を必須成分とし、前記非水系合成樹脂（ｐ）の固形分１００重量部に対し、前記変性シリケート化合物（ｑ）をＳｉＯ２換算で０．１〜２０重量部、前記赤外線反射性粉体（ｒ）を１〜２００重量部、前記有機錫化合物（ｓ）を０．０１〜１０重量部、前記有機酸化合物（ｔ）を０．０１〜１０重量部含む被覆材により形成される上塗層（Ｃ）
を有することを特徴とする遮熱断熱積層体。
２．前記被覆材が、さらに硫黄原子を含有する有機錫化合物（ｕ）を０．０１〜１０重量部含む１．記載の遮熱断熱積層体。
That is, the present invention has the following characteristics.
1. It is a heat-insulating and heat-insulating laminate constituting the building exterior surface,
From the indoor side to the outdoor side of the exterior surface, the heat-insulating undercoat layer (B) formed by the base material layer (A), the base material containing the binder and the hollow particles,
Non-aqueous synthetic resin (p), modified silicate compound (q) in which an alkyl group having 1 to 2 carbon atoms and an alkyl group having 3 or more carbon atoms are mixed in an equivalent ratio of 95: 5 to 50:50 , infrared reflective powder The body (r) , the organic tin compound (s), and the organic acid compound (t) are essential components, and the modified silicate compound (q) is added to SiO with respect to 100 parts by weight of the solid content of the non-aqueous synthetic resin (p). 0.1 to 20 parts by weight in terms of 2 ; 1 to 200 parts by weight of the infrared reflective powder (r ); 0.01 to 10 parts by weight of the organic tin compound (s); and the organic acid compound (t). Coating layer formed from a coating material containing 0.01 to 10 parts by weight (C)
A heat-insulating and heat-insulating laminate characterized by comprising:
2. 1. The coating material further includes 0.01 to 10 parts by weight of an organic tin compound (u) containing a sulfur atom. The heat insulation heat insulation laminated body of description.
本発明では、蓄熱源となる汚染物質の付着を抑えることができる。そのため、本発明によれば、長期にわたり、建築物外装面の美観性を維持することができるとともに、遮熱断熱性を付与し、建築物の温度上昇を抑制することができる。本発明は、省エネルギーに貢献する技術として活用できる。 In this invention, adhesion of the pollutant used as a heat storage source can be suppressed. Therefore, according to this invention, while being able to maintain the aesthetics of a building exterior surface over a long period of time, a thermal-insulation heat insulation property can be provided and the temperature rise of a building can be suppressed. The present invention can be utilized as a technology that contributes to energy saving.
以下、本発明を実施するための最良の形態について説明する。 Hereinafter, the best mode for carrying out the present invention will be described.
［基材層］
本発明における基材層（Ａ）としては、建築物外装面を構成するものである限り特に限定されないが、例えば、コンクリート、モルタル、セメントボード、押出成形板、スレート板、ＰＣ板、ＡＬＣ板、繊維強化セメント板、金属ボード、磁器タイル、金属系サイディングボード、窯業系サイディングボード、セラミック板、石膏ボード、プラスチックボード、硬質木片セメント板、塩ビ押出サイディングボード、煉瓦、合板等、あるいはこれらの複合体等があげられる。このような基材層は、何らかの表面処理層（例えば、シーラー層、パテ層、サーフェーサー層等）を有するものであってもよい。
[Base material layer]
The base material layer (A) in the present invention is not particularly limited as long as it constitutes a building exterior surface. For example, concrete, mortar, cement board, extruded plate, slate plate, PC plate, ALC plate, Fiber reinforced cement board, metal board, porcelain tile, metal siding board, ceramic siding board, ceramic board, plaster board, plastic board, hard wood cement board, PVC extruded siding board, brick, plywood, etc., or a composite of these Etc. Such a base material layer may have some surface treatment layer (for example, a sealer layer, a putty layer, a surfacer layer, etc.).
［断熱性下塗層］
断熱性下塗層（Ｂ）は、結合材及び中空粒子を含有する下塗材により形成されるものである。
結合材としては、有機質結合材及び／または無機質結合材が使用できる。このうち有機質結合材としては、例えば、合成樹脂エマルション、水溶性樹脂、溶剤型樹脂、無溶剤型樹脂、粉末樹脂等を使用することができる。具体的に、樹脂の種類としては、例えばクロロプレンゴム、スチレン−ブタジエンゴム、アクリロニトリル−ブタジエンゴム、メタクリル酸メチル−ブタジエンゴム、ブタジエンゴム、アクリル樹脂、酢酸ビニル樹脂、塩化ビニル樹脂、エポキシ樹脂、アスファルト、ゴムアスファルト等が挙げられる。このうち、アクリル樹脂エマルションが好適に用いられる。アクリル樹脂エマルションとしては、特に、ニトリル基含有アクリル樹脂エマルション、アミド基含有アクリル樹脂エマルション、陽イオン性アクリル樹脂エマルション等が好適である。
[Insulating undercoat layer]
The heat insulating undercoat layer (B) is formed of an undercoat material containing a binder and hollow particles.
As the binder, an organic binder and / or an inorganic binder can be used. Among these, as the organic binder, for example, a synthetic resin emulsion, a water-soluble resin, a solvent-type resin, a solventless resin, a powder resin, and the like can be used. Specifically, as the type of resin, for example, chloroprene rubber, styrene-butadiene rubber, acrylonitrile-butadiene rubber, methyl methacrylate-butadiene rubber, butadiene rubber, acrylic resin, vinyl acetate resin, vinyl chloride resin, epoxy resin, asphalt, Examples include rubber asphalt. Among these, an acrylic resin emulsion is preferably used. As the acrylic resin emulsion, nitrile group-containing acrylic resin emulsion, amide group-containing acrylic resin emulsion, cationic acrylic resin emulsion and the like are particularly suitable.
無機質結合材としては、例えば、コロイダルシリカ、コロイダルアルミナ等のコロイダル金属酸化物、ケイ酸ナトリウム、ケイ酸カリウム、ケイ酸リチウム等の水溶性ケイ酸アルカリ金属塩、ポルトランドセメント、アルミナセメント、酸性リン酸塩セメント、シリカセメント、高炉セメント等の各種セメント等が挙げられる。このうちセメントが好適に用いられる。
無機質結合材としては、白色度が７０以上（好ましくは８０以上、より好ましくは９０以上）のものが好適である。このような白色度の高いものを用いることにより、温度上昇抑制効果等を高めることができる。なお、ここに言う白色度とは、分光光度計を用いて測定されるＬ＊値である。
Examples of the inorganic binder include colloidal metal oxides such as colloidal silica and colloidal alumina, water-soluble alkali metal silicates such as sodium silicate, potassium silicate, and lithium silicate, Portland cement, alumina cement, and acidic phosphoric acid. Examples include various cements such as salt cement, silica cement, blast furnace cement and the like. Of these, cement is preferably used.
As the inorganic binder, those having a whiteness of 70 or more (preferably 80 or more, more preferably 90 or more) are suitable. By using such a thing with high whiteness, a temperature rise inhibitory effect etc. can be heightened. In addition, the whiteness said here is L * value measured using a spectrophotometer.
本発明の下塗材における結合材としては、有機質結合材のみを用いるか、あるいは無機質結合材と有機質結合材を併用することが望ましい。このうち、無機質結合材と有機質結合材を併用する場合、無機質結合材と有機質結合剤の固形分重量比率は、９８／２〜５０／５０（好ましくは９５／５〜８０／２０）とすることが望ましい。また、無機質結合材としてはセメントを使用し、有機質結合材としては合成樹脂エマルション、特にアクリル樹脂エマルションを使用することが望ましい。アクリル樹脂エマルションとしては、ニトリル基含有アクリル樹脂エマルション、陽イオン性アクリル樹脂エマルション等が望ましく、特にニトリル基含有陽イオン性アクリル樹脂エマルションが好適である。このような結合材を用いることにより、付着性、強度等の性能を高めることができ、ひいては長期にわたり安定した温度上昇抑制効果等を得ることができる。 As the binder in the undercoat material of the present invention, it is desirable to use only an organic binder or to use an inorganic binder and an organic binder in combination. Among these, when the inorganic binder and the organic binder are used in combination, the solid content weight ratio of the inorganic binder and the organic binder is 98/2 to 50/50 (preferably 95/5 to 80/20). Is desirable. Further, it is desirable to use cement as the inorganic binder and use a synthetic resin emulsion, particularly an acrylic resin emulsion, as the organic binder. As the acrylic resin emulsion, a nitrile group-containing acrylic resin emulsion, a cationic acrylic resin emulsion or the like is desirable, and a nitrile group-containing cationic acrylic resin emulsion is particularly preferable. By using such a binding material, performance such as adhesion and strength can be improved, and as a result, a stable temperature rise suppressing effect and the like can be obtained over a long period of time.
中空粒子は、下塗層（Ｂ）に断熱性を付与する成分である。中空粒子としては、例えば、中空セラミック粒子、中空樹脂粒子等が挙げられる。中空セラミック粒子を構成するセラミック成分としては、例えば、珪酸ソーダガラス、アルミ珪酸ガラス、硼珪酸ソーダガラス、フライアッシュ、アルミナ、シラス、黒曜石等が挙げられる。中空樹脂粒子を構成する樹脂成分としては、例えば、アクリル樹脂、スチレン樹脂、アクリル−スチレン共重合樹脂、アクリル−アクリロニトリル共重合樹脂、アクリル−スチレン−アクリロニトリル共重合樹脂、アクリロニトリル−メタアクリロニトリル共重合樹脂、アクリル−アクリロニトリル−メタアクリロニトリル共重合樹脂、塩化ビニリデン−アクリロニトリル共重合樹脂等が挙げられる。中空粒子は、これらの成分を公知の方法で発泡させることにより得られる。 The hollow particles are a component that imparts heat insulation to the undercoat layer (B). Examples of the hollow particles include hollow ceramic particles and hollow resin particles. Examples of the ceramic component constituting the hollow ceramic particles include sodium silicate glass, aluminum silicate glass, borosilicate sodium glass, fly ash, alumina, shirasu, obsidian and the like. Examples of the resin component constituting the hollow resin particles include acrylic resin, styrene resin, acrylic-styrene copolymer resin, acrylic-acrylonitrile copolymer resin, acrylic-styrene-acrylonitrile copolymer resin, acrylonitrile-methacrylonitrile copolymer resin, Examples thereof include acrylic-acrylonitrile-methacrylonitrile copolymer resins and vinylidene chloride-acrylonitrile copolymer resins. The hollow particles can be obtained by foaming these components by a known method.
中空粒子の平均粒子径は通常０．１〜２００μｍ（好ましくは１〜１５０μｍ）程度である。また、中空粒子の密度は通常０．０１〜１ｇ／ｃｍ３（好ましくは０．０１〜０．８ｇ／ｃｍ３）程度である。
中空粒子の混合比率は、結合材の固形分１００重量部に対し、通常０．５〜２００重量部、好ましくは１〜１００重量部である。
The average particle diameter of the hollow particles is usually about 0.1 to 200 μm (preferably 1 to 150 μm). The density of the hollow particles is usually about 0.01 to 1 g / cm 3 (preferably 0.01 to 0.8 g / cm 3 ).
The mixing ratio of the hollow particles is usually 0.5 to 200 parts by weight, preferably 1 to 100 parts by weight with respect to 100 parts by weight of the solid content of the binder.
本発明の下塗材は、上記成分を公知の方法によって均一に混合することで製造することができるが、必要に応じ通常塗材に使用可能なその他の成分を混合することもできる。このような成分としては、例えば、着色顔料、体質顔料、増粘剤、造膜助剤、レベリング剤、可塑剤、凍結防止剤、ｐＨ調整剤、希釈剤、防腐剤、防黴剤、防藻剤、抗菌剤、分散剤、消泡剤、紫外線吸収剤、酸化防止剤、光安定剤、繊維、触媒、架橋剤等が挙げられる。 The undercoat material of the present invention can be produced by uniformly mixing the above-described components by a known method, but other components that can be used in a normal coating material can be mixed as necessary. Examples of such components include coloring pigments, extender pigments, thickeners, film-forming aids, leveling agents, plasticizers, antifreezing agents, pH adjusters, diluents, antiseptics, antifungal agents, and algae. Agents, antibacterial agents, dispersants, antifoaming agents, ultraviolet absorbers, antioxidants, light stabilizers, fibers, catalysts, crosslinking agents and the like.
［上塗層］
本発明の上塗層は、非水系合成樹脂（ｐ）、変性シリケート化合物（ｑ）、及び赤外線反射性粉体（ｒ）を必須成分とするものである。
[Overcoat layer]
The overcoat layer of the present invention comprises a non-aqueous synthetic resin (p), a modified silicate compound (q), and an infrared reflective powder (r) as essential components.
非水系合成樹脂（ｐ）（以下「（ｐ）成分」ともいう）としては、例えば、アクリル樹脂、ポリエステル樹脂、ポリエーテル樹脂、ポリウレタン樹脂、アクリルシリコン樹脂、フッ素樹脂、酢酸ビニル樹脂、エポキシ樹脂等、あるいはこれらの複合系等を挙げることができる。これらは１種または２種以上で使用することができる。このような非水系合成樹脂（ｐ）の形態としては、溶剤可溶性樹脂及び／または非水分散性樹脂が挙げられる。 Examples of the non-aqueous synthetic resin (p) (hereinafter also referred to as “(p) component”) include acrylic resins, polyester resins, polyether resins, polyurethane resins, acrylic silicon resins, fluororesins, vinyl acetate resins, epoxy resins, and the like. Or a composite system thereof. These can be used alone or in combination of two or more. Examples of such a non-aqueous synthetic resin (p) include solvent-soluble resins and / or non-aqueous dispersible resins.
このうち、溶剤可溶性樹脂及び／または非水分散性樹脂としては、非水系溶剤を媒体とするものであって、当該全溶剤のうち５０重量％以上（好ましくは６０重量％以上）が脂肪族炭化水素である所謂弱溶剤形樹脂が好適である。かかる弱溶剤形樹脂は、芳香族炭化水素系溶剤を主溶剤とする強溶剤形樹脂に比べ、低毒性であり、作業上の安全性が高く、さらには既存塗膜上に塗装を行った際のリフティング発生を抑制できる等の特徴を有するものである。脂肪族炭化水素としては、例えば、ｎ−ヘキサン、ｎ−ペンタン、ｎ−オクタン、ｎ−ノナン、ｎ−デカン、ｎ−ウンデカン、ｎ−ドデカン等が挙げられ、この他、テルピン油やミネラルスピリット等の脂肪族炭化水素系溶剤を使用することもできる。特に、トルエン、キシレンを含まず、引火点２１℃以上の第２石油類に該当するものが、安全衛生上好ましい。本発明では、非水系合成樹脂としてかかる弱溶剤形樹脂を使用した場合において、特に優れた効果を得ることができる。 Among these, the solvent-soluble resin and / or the non-aqueous dispersible resin is a non-aqueous solvent as a medium, and 50% by weight or more (preferably 60% by weight or more) of the total solvent is aliphatic carbonized. A so-called weak solvent resin which is hydrogen is preferred. Such weak solvent resins are less toxic and have higher work safety compared to strong solvent resins that use aromatic hydrocarbon solvents as the main solvent, and when applied to existing coatings. It has a feature that the occurrence of lifting can be suppressed. Examples of the aliphatic hydrocarbon include n-hexane, n-pentane, n-octane, n-nonane, n-decane, n-undecane, n-dodecane, and the like. In addition, terpine oil, mineral spirit, etc. Other aliphatic hydrocarbon solvents can also be used. In particular, those which do not contain toluene and xylene and correspond to the second petroleum having a flash point of 21 ° C. or higher are preferable in terms of safety and health. In the present invention, when such a weak solvent resin is used as the non-aqueous synthetic resin, a particularly excellent effect can be obtained.
本発明における（ｐ）成分は架橋反応性を有するものであってもよい。（ｐ）成分が架橋反応型樹脂である場合は、塗膜の強度、耐水性、耐候性、密着性等を高めることができる。架橋反応型樹脂は、それ自体で架橋反応を生じるもの、あるいは別途混合する架橋剤によって架橋反応を生じるもののいずれであってもよい。このような架橋反応性は、例えば、水酸基とイソシアネート基、カルボニル基とヒドラジド基、エポキシ基とアミノ基、アルド基とセミカルバジド基、ケト基とセミカルバジド基、アルコキシル基どうし、カルボキシル基と金属イオン、カルボキシル基とカルボジイミド基、カルボキシル基とエポキシ基、カルボキシル基とアジリジン基、カルボキシル基とオキサゾリン基等の反応性官能基を組み合わせることによって付与することができる。この中でも水酸基−イソシアート基架橋反応型樹脂が好適である。 The component (p) in the present invention may have crosslinking reactivity. When the component (p) is a crosslinking reaction type resin, the strength, water resistance, weather resistance, adhesion and the like of the coating film can be improved. The cross-linking reaction type resin may be one that causes a cross-linking reaction by itself or one that causes a cross-linking reaction by a cross-linking agent that is separately mixed. Such crosslinking reactivity includes, for example, hydroxyl group and isocyanate group, carbonyl group and hydrazide group, epoxy group and amino group, aldo group and semicarbazide group, keto group and semicarbazide group, alkoxyl group, carboxyl group and metal ion, carboxyl group It can be imparted by combining a reactive functional group such as a group and a carbodiimide group, a carboxyl group and an epoxy group, a carboxyl group and an aziridine group, a carboxyl group and an oxazoline group. Among these, a hydroxyl group-isocyanate group crosslinking reaction type resin is preferable.
本発明における（ｐ）成分のガラス転移温度は、通常−２０〜８０℃（好ましくは−１０〜６０℃）程度である。 The glass transition temperature of the component (p) in the present invention is usually about -20 to 80 ° C (preferably -10 to 60 ° C).
本発明では、シリケート化合物として、炭素数１〜２のアルキル基と炭素数３以上のアルキル基が混在する変性シリケート化合物（ｑ）（以下「（ｑ）成分」ともいう）を含むものである。本発明では、かかる変性シリケート化合物（ｑ）の作用により塗膜表面の親水性が高まり、耐汚染性等において優れた性能を発揮することができる。
本発明における（ｑ）成分としては、特に、炭素数１〜２の直鎖アルキル基（以下単に「直鎖アルキル基」ともいう）と炭素数３以上の分岐アルキル基（以下単に「分岐アルキル基」ともいう）が混在する変性シリケート化合物が好適である。
In the present invention, the silicate compound includes a modified silicate compound (q) (hereinafter also referred to as “(q) component”) in which an alkyl group having 1 to 2 carbon atoms and an alkyl group having 3 or more carbon atoms are mixed. In the present invention, the hydrophilicity of the coating film surface is increased by the action of the modified silicate compound (q), and excellent performance in stain resistance and the like can be exhibited.
The definitive (q) components present invention, in particular, linear alkyl groups (hereinafter simply referred to as "straight-chain alkyl group") and the number 3 or more branched alkyl group (hereinafter simply "branched alkyl carbons having 1 or 2 carbon atoms A modified silicate compound in which “group” is also mixed is preferable.
このような（ｑ）成分における直鎖アルキル基としては、メチル基、エチル基から選ばれる１種以上が使用できる。この中でも本発明ではメチル基が好適である。
一方、分岐アルキル基としては、イソプロピル基、イソブチル基、ｓｅｃ−ブチル基、ｔ−ブチル基、イソヘプチル基、イソペンチル基、ネオペンチル基、ｔ−ペンチル基、１−メチルブチル基、２−メチルブチル基、１，２−ジメチルプロピル基、１−エチルプロピル基、１−メチルペンチル基、２−メチルペンチル基、３−メチルペンチル基、４−メチルペンチル基、１，１−ジメチルブチル基、２，２−ジメチルブチル基、３，３−ジメチルブチル基、１，２−ジメチルブチル基、２，３−ジメチルブチル基、１，３−ジメチルブチル基、１−エチルブチル基、２−エチルブチル基、１，１，２−トリメチルプロピル基、１，２，２−トリメチルプロピル基、１−エチル−１−メチルプロピル基、１−エチル−２−メチルプロピル基、イソオクチル基等が挙げられる。本発明では、この中でも炭素数３〜６の分岐アルキル基が好適であり、とりわけ炭素数４の分岐ブチル基が好適である。
As the linear alkyl group in the component (q), one or more selected from a methyl group and an ethyl group can be used. Among these, a methyl group is preferable in the present invention.
On the other hand, as the branched alkyl group, isopropyl group, isobutyl group, sec-butyl group, t-butyl group, isoheptyl group, isopentyl group, neopentyl group, t-pentyl group, 1-methylbutyl group, 2-methylbutyl group, 1, 2-dimethylpropyl group, 1-ethylpropyl group, 1-methylpentyl group, 2-methylpentyl group, 3-methylpentyl group, 4-methylpentyl group, 1,1-dimethylbutyl group, 2,2-dimethylbutyl Group, 3,3-dimethylbutyl group, 1,2-dimethylbutyl group, 2,3-dimethylbutyl group, 1,3-dimethylbutyl group, 1-ethylbutyl group, 2-ethylbutyl group, 1,1,2- Trimethylpropyl group, 1,2,2-trimethylpropyl group, 1-ethyl-1-methylpropyl group, 1-ethyl-2-methylpropyl group, Sookuchiru group, and the like. In the present invention, among them, a branched alkyl group having 3 to 6 carbon atoms is preferable, and a branched butyl group having 4 carbon atoms is particularly preferable.
具体的に、直鎖アルキル基と分岐アルキル基を有する変性シリケートは、以下に例示する方法により製造することができる。 Specifically, the modified silicate having a linear alkyl group and a branched alkyl group can be produced by the method exemplified below.
（１）一般式Ｓｉ（ＯＲ１）（ＯＲ２）（ＯＲ３）（ＯＲ４）
（式中、Ｒ１〜Ｒ４は、炭素数１〜２の直鎖アルキル基と、炭素数３以上の分岐アルキル基が混在しているものとする）で表されるテトラアルコキシシランを加水分解縮合させる。縮合方法としては公知の方法が採用でき、縮合後の平均縮合度は２〜１００（好ましくは４〜２０）程度とすればよい。この場合、縮合の際に他のテトラアルコキシシランを混合して縮合することもできる。上記一般式で表される化合物の具体例としては、例えば、モノイソプロポキシトリメトキシシラン、モノイソプロポキシトリエトキシシラン、モノイソブトキシトリメトキシシラン、モノイソブトキシトリエトキシシラン、ジイソブトキシジメトキシシラン等が挙げられる。
(1) General formula Si (OR 1 ) (OR 2 ) (OR 3 ) (OR 4 )
(Wherein R 1 to R 4 are a mixture of a linear alkyl group having 1 to 2 carbon atoms and a branched alkyl group having 3 or more carbon atoms) hydrolyzing a tetraalkoxysilane represented by Allow to condense. A known method can be adopted as the condensation method, and the average degree of condensation after the condensation may be about 2 to 100 (preferably 4 to 20). In this case, other tetraalkoxysilanes can be mixed and condensed during the condensation. Specific examples of the compound represented by the above general formula include monoisopropoxytrimethoxysilane, monoisopropoxytriethoxysilane, monoisobutoxytrimethoxysilane, monoisobutoxytriethoxysilane, diisobutoxydimethoxysilane, and the like. Can be mentioned.
（２）テトラメトキシシラン縮合物及び／またはテトラエトキシシラン縮合物に、炭素数３以上の分岐アルキル基を有するアルコールを反応（エステル交換反応）させる。この方法におけるアルコールとしては、例えば、イソプロピルアルコール、イソブチルアルコール、ｓｅｃ−ブチルアルコール、ｔ−ブチルアルコール、イソアミルアルコール、２−メチル−１−ペンタノール、４−メチル−２−ペンタノール、２−エチル−１−ブタノール等が挙げられる。テトラメトキシシラン縮合物及び／またはテトラエトキシシラン縮合物としては、平均縮合度２〜１００（好ましくは４〜２０）程度のものを使用すればよい。 (2) A tetramethoxysilane condensate and / or a tetraethoxysilane condensate is reacted with an alcohol having a branched alkyl group having 3 or more carbon atoms (transesterification reaction). Examples of the alcohol in this method include isopropyl alcohol, isobutyl alcohol, sec-butyl alcohol, t-butyl alcohol, isoamyl alcohol, 2-methyl-1-pentanol, 4-methyl-2-pentanol, 2-ethyl- Examples include 1-butanol. As the tetramethoxysilane condensate and / or tetraethoxysilane condensate, those having an average degree of condensation of about 2 to 100 (preferably 4 to 20) may be used.
（３）テトラメトキシシラン及び／またはテトラエトキシシランに、水、及び炭素数３以上の分岐アルキル基を有するアルコールを反応させる。この方法では、加水分解縮合反応とエステル交換反応を並行して行うことができる。加水分解縮合反応による平均縮合度は２〜１００（好ましくは４〜２０）程度とすればよい。アルコールとしては、上記（２）と同様の化合物が使用できる。 (3) Tetramethoxysilane and / or tetraethoxysilane are reacted with water and an alcohol having a branched alkyl group having 3 or more carbon atoms. In this method, the hydrolysis condensation reaction and the transesterification reaction can be performed in parallel. The average degree of condensation by the hydrolysis condensation reaction may be about 2 to 100 (preferably 4 to 20). As the alcohol, the same compound as the above (2) can be used.
本発明における（ｑ）成分は、炭素数１〜２の直鎖アルキル基と炭素数３以上の分岐アルキル基が、通常９５：５〜５０：５０、好ましくは９０：１０〜５５：４５、より好ましくは８５：１５〜６０：４０の当量比率で混在するものである。直鎖アルキル基と分岐アルキル基の混在比率がかかる範囲内であれば、本発明の効果を十分に発揮することができる。
上記（１）〜（３）に例示した変性シリケート化合物の製造方法では、直鎖アルキル基と分岐アルキル基との当量比率が上記範囲内となるように、原料化合物の種類や量を適宜調整すればよい。
In the component (q) in the present invention, the linear alkyl group having 1 to 2 carbon atoms and the branched alkyl group having 3 or more carbon atoms are usually 95: 5 to 50:50, preferably 90:10 to 55:45, Preferably, it is mixed at an equivalent ratio of 85:15 to 60:40. If the mixing ratio of the straight chain alkyl group and the branched alkyl group is within such a range, the effects of the present invention can be sufficiently exerted.
In the method for producing the modified silicate compound exemplified in the above (1) to (3), the type and amount of the raw material compound are appropriately adjusted so that the equivalent ratio of the linear alkyl group to the branched alkyl group is within the above range. That's fine.
（ｑ）成分の混合比率は、（ｐ）成分の固形分１００重量部に対して、ＳｉＯ２換算で０．１〜２０重量部（好ましくは０．３〜１０重量部、より好ましくは０．５〜５重量部）となる範囲内で設定すればよい。（ｑ）成分の混合比率が０．１重量部未満では、塗膜に親水性が付与されないため耐汚染性が不十分となる。逆に２０重量部を越える場合は、形成塗膜の下地への追従性が不十分となり、割れ等が生じやすくなる。 (Q) the mixing ratio of the components is 100 parts by weight of the solid content of the (p) component, 0.1 to 20 parts by weight in terms of SiO 2 (preferably 0.3 to 10 parts by weight, more preferably 0. It may be set within a range of 5 to 5 parts by weight. When the mixing ratio of the component (q) is less than 0.1 parts by weight, the coating film is not imparted with hydrophilicity, so that the stain resistance is insufficient. On the other hand, when it exceeds 20 parts by weight, the followability of the formed coating film to the ground becomes insufficient, and cracks and the like are likely to occur.
なお、本発明におけるＳｉＯ２換算とは、アルコキシシランやシリケートなどのＳｉ−Ｏ結合をもつ化合物を、完全に加水分解した後に、９００℃で焼成した際にシリカ（ＳｉＯ２）となって残る重量分にて表したものである。
一般に、アルコキシシランやシリケートは、水と反応して加水分解反応が起こりシラノールとなり、さらにシラノール同士やシラノールとアルコキシにより縮合反応を起こす性質を持っている。この反応を究極まで行うと、シリカ（ＳｉＯ２）となる。これらの反応は
ＲＯ（Ｓｉ（ＯＲ）２Ｏ）ｎＲ＋（ｎ＋１）Ｈ２Ｏ→ｎＳｉＯ２＋（２ｎ＋２）ＲＯＨ
（Ｒはアルキル基を示す。ｎは整数。）
という反応式で表される。本発明におけるＳｉＯ２換算は、この反応式をもとに残るシリカ成分の量を換算したものである。
The SiO 2 conversion in the present invention means the weight remaining as silica (SiO 2 ) when a compound having a Si—O bond such as alkoxysilane or silicate is completely hydrolyzed and then baked at 900 ° C. Expressed in minutes.
In general, alkoxysilanes and silicates have a property of reacting with water to cause a hydrolysis reaction to form silanol, and further causing a condensation reaction between silanols or between silanol and alkoxy. When this reaction is performed to the ultimate, silica (SiO 2 ) is obtained. These reactions are RO (Si (OR) 2 O) n R + (n + 1) H 2 O → nSiO 2 + (2n + 2) ROH
(R represents an alkyl group. N is an integer.)
It is expressed by the reaction formula. The SiO 2 conversion in the present invention is the conversion of the amount of the remaining silica component based on this reaction formula.
本発明の被覆材では、上述の成分に加え、赤外線反射性粉体（ｒ）（以下「（ｒ）成分」という）を含有する。本発明では、（ｒ）成分を混合することにより、被覆材を所望の色に着色しつつ、太陽光による塗膜の蓄熱を抑制することが可能となる。さらに、かかる（ｒ）成分の特性に加え、（ｑ）成分等の親水化作用によって、塗膜表面への汚染物質の付着が効果的に抑えられるため、汚染物質が太陽光の蓄熱場となることを抑制することができ、十分な遮熱機能が発揮される。 The coating material of the present invention contains an infrared reflective powder (r) (hereinafter referred to as “(r) component”) in addition to the above-described components. In the present invention, by mixing the component (r), it is possible to suppress heat accumulation of the coating film by sunlight while coloring the coating material in a desired color. Furthermore, in addition to the characteristics of the component (r), the adhesion of the pollutant to the coating film surface is effectively suppressed by the hydrophilizing action of the component (q) and the like, so the pollutant becomes a heat storage field for sunlight. This can be suppressed, and a sufficient heat shielding function is exhibited.
赤外線反射性粉体としては、例えば、アルミニウムフレーク、酸化チタン、硫酸バリウム、酸化亜鉛、炭酸カルシウム、酸化珪素、酸化マグネシウム、酸化ジルコニウム、酸化イットリウム、酸化インジウム、アルミナ、鉄−クロム複合酸化物、マンガン−ビスマス複合酸化物、マンガン−イットリウム複合酸化物、マンガン−鉄−コバルト複合酸化物、ペリレン顔料、アゾ顔料、キナクリドン顔料、弁柄、朱、チタニウムレッド、カドミウムレッド、イソインドリノン、イソインドリン、ベンズイミダゾロン、フタロシアニングリーン、フタロシアニンブルー、コバルトブルー、インダスレンブルー、群青、紺青等が挙げられ、これらの１種または２種以上を用いることができる。被覆材の色相は、これら赤外線反射性粉体の種類や量を適宜選択・調製することにより設定できる。 Examples of the infrared reflective powder include aluminum flake, titanium oxide, barium sulfate, zinc oxide, calcium carbonate, silicon oxide, magnesium oxide, zirconium oxide, yttrium oxide, indium oxide, alumina, iron-chromium composite oxide, manganese -Bismuth complex oxide, manganese-yttrium complex oxide, manganese-iron-cobalt complex oxide, perylene pigment, azo pigment, quinacridone pigment, dial, vermilion, titanium red, cadmium red, isoindolinone, isoindoline, benz Examples thereof include imidazolone, phthalocyanine green, phthalocyanine blue, cobalt blue, indanthrene blue, ultramarine blue, and bitumen, and one or more of these can be used. The hue of the coating material can be set by appropriately selecting and preparing the type and amount of these infrared reflective powders.
また、本発明では、赤外線反射性粉体として、屈折率１．３〜２．０（好ましくは１．４〜１．８）、平均粒子径０．１〜１μｍの金属酸化物（酸化珪素、酸化アルミニウム等）を含むことが望ましい。このような金属酸化物を用いることにより、塗膜の蓄熱抑制効果をいっそう高めることができる。特に、形成塗膜の色調において、マンセル表示系の明度が８以下（さらには７以下）である場合には効果的である。 In the present invention, the infrared reflective powder is a metal oxide (silicon oxide, having a refractive index of 1.3 to 2.0 (preferably 1.4 to 1.8) and an average particle size of 0.1 to 1 μm. (Including aluminum oxide). By using such a metal oxide, the heat storage suppression effect of the coating film can be further enhanced. In particular, it is effective when the lightness of the Munsell display system is 8 or less (or 7 or less) in the color tone of the formed coating film.
（ｒ）成分の混合量は、（ｐ）成分の固形分１００重量部に対し、通常１〜２００重量部、好ましくは２〜１００重量部である。かかる範囲内であれば、所望の色に被覆材を調色することができ、温度上昇抑制効果、塗膜の割れ防止性等においても有利である。 The mixing amount of the component (r) is usually 1 to 200 parts by weight, preferably 2 to 100 parts by weight with respect to 100 parts by weight of the solid content of the component (p). Within such a range, the coating material can be toned in a desired color, which is advantageous in terms of temperature rise suppression effect, crack resistance of the coating film, and the like.
本発明の被覆材では、有機錫化合物（ｓ）（以下「（ｓ）成分」という）を含むことが望ましい。かかる（ｓ）成分は、塗膜の親水性向上、特に塗膜形成初期段階における親水性向上に大きく寄与する成分であり、耐汚染性を高める機能を発揮するものである。
（ｓ）成分としては、例えば、ジブチル錫ジラウレート、ジブチル錫ジマレート、ジブチル錫ジオレイルマレート、ジオクチル錫ジラウレート、ジブチル錫ジアセテート、ジオクチル錫ジマレート、オクチル酸錫等が挙げられる。
The coating material of the present invention preferably contains an organotin compound (s) (hereinafter referred to as “(s) component”). The component (s) is a component that greatly contributes to the improvement of the hydrophilicity of the coating film, particularly the improvement of the hydrophilicity in the initial stage of coating film formation, and exhibits a function of improving the stain resistance.
Examples of the component (s) include dibutyltin dilaurate, dibutyltin dimaleate, dibutyltin dioleyl malate, dioctyltin dilaurate, dibutyltin diacetate, dioctyltin dimaleate, and tin octylate.
（ｓ）成分の混合比率は、（ｐ）成分の固形分１００重量部に対し、通常０．０１〜１０重量部、好ましくは０．０５〜５重量部である。かかる範囲内であれば、十分な親水性向上効果を得ることができる。 The mixing ratio of the component (s) is usually 0.01 to 10 parts by weight, preferably 0.05 to 5 parts by weight with respect to 100 parts by weight of the solid content of the component (p). Within such a range, a sufficient hydrophilicity improving effect can be obtained.
さらに、本発明の被覆材では、上記成分に加えて有機酸化合物（ｔ）（以下「（ｔ）成分」という）を必須成分として含むことが望ましい。かかる（ｔ）成分を併用することにより、混合安定性、可使時間等の実用性を確保しつつ、塗膜の硬化性、親水化機能等を高めることができる。
（ｔ）成分としては、例えば、蟻酸、酢酸、プロピオン酸、乳酸、酪酸、ブタン酸、ペンタン酸、ヘキサン酸、２−エチルヘキサン酸、パラトルエンスルホン酸、クロロ酢酸、ジクロロ酢酸、安息香酸、サリチル酸、シュウ酸、マロン酸、マレイン酸、アジピン酸、アゼライン酸、セバシン酸、イタコン酸、クエン酸、トリメリット酸、ピロメリット酸、コハク酸、フタル酸、フマル酸等、及びこれらの無水物があげられる。この中でも特に有機酸無水物が好適である。
Furthermore, in the coating material of the present invention, it is desirable to include an organic acid compound (t) (hereinafter referred to as “(t) component”) as an essential component in addition to the above components. By using the component (t) in combination, it is possible to enhance the curability of the coating film, the hydrophilization function, etc. while ensuring practicality such as mixing stability and pot life.
Examples of the component (t) include formic acid, acetic acid, propionic acid, lactic acid, butyric acid, butanoic acid, pentanoic acid, hexanoic acid, 2-ethylhexanoic acid, paratoluenesulfonic acid, chloroacetic acid, dichloroacetic acid, benzoic acid, and salicylic acid. Oxalic acid, malonic acid, maleic acid, adipic acid, azelaic acid, sebacic acid, itaconic acid, citric acid, trimellitic acid, pyromellitic acid, succinic acid, phthalic acid, fumaric acid, etc., and their anhydrides It is done. Of these, organic acid anhydrides are particularly preferred.
（ｔ）成分の配合割合は、（ｐ）成分の固形分１００重量部に対し、通常０．０１〜１０重量部、好ましくは０．０５〜５重量部である。（ｔ）成分を上記範囲内で配合することにより、耐汚染性に優れるとともに、混合安定性、可使時間等において安定した性能を有する被覆材が得られる。 The blending ratio of the component (t) is usually 0.01 to 10 parts by weight, preferably 0.05 to 5 parts by weight with respect to 100 parts by weight of the solid content of the component (p). By blending the component (t) within the above range, a coating material that is excellent in contamination resistance and stable in terms of mixing stability, pot life, and the like can be obtained.
また、本発明の被覆材では、硫黄原子を含有する有機錫化合物（ｕ）（以下「（ｕ）成分」という）を必須成分として含むこともできる。かかる（ｕ）成分は、塗膜の親水性向上、特に塗膜形成初期段階における親水性向上に大きく寄与する成分であり、耐汚染性を高める機能を発揮するものである。さらに（ｕ）成分は、シリケート化合物混合時の安定性や、混合後の可使時間に対し、ほとんど悪影響を与えない。すなわち、（ｕ）成分を使用することにより、実用的な混合安定性、可使時間を確保しつつ、形成塗膜の親水性を高めることができる。 Moreover, in the coating material of this invention, the organotin compound (u) (henceforth "(u) component") containing a sulfur atom can also be included as an essential component. The component (u) is a component that greatly contributes to the improvement of the hydrophilicity of the coating film, in particular, the improvement of the hydrophilicity in the initial stage of the coating film formation, and exhibits a function of improving the stain resistance. Further, the component (u) has almost no adverse effect on the stability at the time of mixing the silicate compound and the pot life after mixing. That is, by using the component (u), the hydrophilicity of the formed coating film can be enhanced while ensuring practical mixing stability and pot life.
（ｕ）成分としては、例えば、ジブチル錫チオグリコレート、ジブチル錫ビスイソノニル３−メルカプトプロピオネート、ジブチル錫ビスオクチル３−メルカプトプロピオネート、ジブチル錫ビスオクチルチオグリコレート、ジブチル錫ビスメトキシブチルメルカプトプロピオネート、ジブチル錫ビスイソオクチルチオグリコレート、ジブチル錫ビス２−エチルヘキシルチオグリコレート、ジオクチル錫ビスイソオクチルチオグリコレート、ジオクチル錫ビスオクチルチオグリコレート、ジメチル錫ビスドレシルメルカプチド、ジメチル錫ビスオクチルチオグリコレート、ジメチル錫ビス（オクチルチオグルコール酸エステル）塩、モノオクチル錫トリスイソオクチルチオグリコレート、モノメチル錫トリスオクチルチオグリコレート等が挙げられる。 Examples of the component (u) include dibutyltin thioglycolate, dibutyltin bisisononyl 3-mercaptopropionate, dibutyltin bisoctyl3-mercaptopropionate, dibutyltin bisoctylthioglycolate, dibutyltin bismethoxybutylmercaptoprote Pionate, dibutyltin bisisooctylthioglycolate, dibutyltin bis-2-ethylhexylthioglycolate, dioctyltin bisisooctylthioglycolate, dioctyltin bisoctylthioglycolate, dimethyltin bisdosyl mercaptide, dimethyltin bis Octyl thioglycolate, dimethyltin bis (octylthioglycolate) salt, monooctyltin trisisooctylthioglycolate, monomethyltin trisoctylthioglycolate, etc. It is.
（ｕ）成分の混合比率は、（ｐ）成分の固形分１００重量部に対し、通常０．０１〜１０重量部、好ましくは０．０５〜５重量部である。かかる範囲内であれば、塗料の混合安定性、可使時間において実用的な性能を確保しつつ、形成塗膜の親水性を十分に高めることができる。 The mixing ratio of the component (u) is usually 0.01 to 10 parts by weight, preferably 0.05 to 5 parts by weight with respect to 100 parts by weight of the solid content of the component (p). Within such a range, the hydrophilicity of the formed coating film can be sufficiently enhanced while ensuring practical performance in the mixing stability and pot life of the paint.
本発明の被覆材では、上述の成分に加えアミン化合物（ｖ）（以下「（ｖ）成分」という）を混合することができる。かかる（ｖ）成分を混合することにより、密着性、耐汚染性、硬化性等を高めることができる。 In the coating material of the present invention, an amine compound (v) (hereinafter referred to as “(v) component”) can be mixed in addition to the above-described components. By mixing the component (v), adhesion, stain resistance, curability and the like can be improved.
（ｖ）成分としては、例えば、エチルアミン、ジメチルアミン、ジアミルアミン、シクロヘキシルアミン、ヘキサメチレンジアミン、エチレンジアミン、トリメチルアミン、トリエチルアミン、トリプロピルアミン、トリブチルアミン、トリフェニルアミン、ジメチルドデシルアミン等のほか、アルカノール基含有アミン化合物、アミノアルキル基含有アミン化合物、アルコキシシリル基含有アミン化合物等が挙げられる。
また、（ｖ）成分として、ビス（２，２，６−テトラメチル−４−ピペリジル）セバケート、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）セバケート、ビス（１−オクトキシ−２，２，６，６−テトラメチル−４−ピペリジル）セバケート、２−（３，５−ジ−ｔ−ブチル−４−ヒドロキシベンジル）−２−ｎ−ブチルマロン酸ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）、テトラキス（２，２，６，６−テトラメチル−４−ピペリジル）−１，２，３，４−ブタンテトラカルボキシレート、テトラキス（１，２，２，６，６−ペンタメチル−４−ピペリジル）−１，２，３，４−ブタンテトラカルボキシレート等の光安定剤を使用することもできる。
（ｖ）成分としては、とりわけ、塩基解離定数ｐＫｂが３以上１１以下（好ましくは４以上８以下）であるアミン化合物が好適である。
（ｖ）成分の混合比率は、（ｐ）成分の固形分１００重量部に対し、通常０．０１〜２０重量部、好ましくは０．０２〜５重量部である。
Component (v) includes, for example, ethylamine, dimethylamine, diamylamine, cyclohexylamine, hexamethylenediamine, ethylenediamine, trimethylamine, triethylamine, tripropylamine, tributylamine, triphenylamine, dimethyldodecylamine, and alkanol group Examples include amine compounds, aminoalkyl group-containing amine compounds, alkoxysilyl group-containing amine compounds, and the like.
In addition, as component (v), bis (2,2,6-tetramethyl-4-piperidyl) sebacate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, bis (1-octoxy) -2,2,6,6-tetramethyl-4-piperidyl) sebacate, 2- (3,5-di-t-butyl-4-hydroxybenzyl) -2-n-butylmalonate bis (1,2, 2,6,6-pentamethyl-4-piperidyl), tetrakis (2,2,6,6-tetramethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, tetrakis (1,2, Light stabilizers such as 2,6,6-pentamethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate can also be used.
As the component (v), an amine compound having a base dissociation constant pKb of 3 or more and 11 or less (preferably 4 or more and 8 or less) is particularly suitable.
The mixing ratio of the component (v) is usually 0.01 to 20 parts by weight, preferably 0.02 to 5 parts by weight with respect to 100 parts by weight of the solid content of the component (p).
本発明の被覆材では、真球状中空粒子を含むこともできる。このような真球状中空粒子の配合は、断熱性向上、耐汚染性向上の点で望ましいものである。 The coating material of the present invention can also contain true spherical hollow particles. Such blending of spherical hollow particles is desirable in terms of improving heat insulation and antifouling properties.
この他、本発明の被覆材には、各種添加剤を配合することも可能である。かかる添加剤としては、例えば、硬化剤、可塑剤、防腐剤、防黴剤、防藻剤、消泡剤、レベリング剤、顔料分散剤、沈降防止剤、たれ防止剤、触媒、硬化促進剤、脱水剤、艶消し剤、紫外線吸収剤、酸化防止剤等が挙げられる。 In addition, various additives can be added to the coating material of the present invention. Examples of such additives include curing agents, plasticizers, preservatives, antifungal agents, antialgae agents, antifoaming agents, leveling agents, pigment dispersants, antisettling agents, anti-sagging agents, catalysts, curing accelerators, Examples include dehydrating agents, matting agents, ultraviolet absorbers, and antioxidants.
本発明の被覆材は、上記非水系合成樹脂（ｐ）、変性シリケート化合物（ｑ）、赤外線反射性粉体（ｒ）を構成成分とするものであれば、その形態については特に限定されない。通常は、（ｐ）成分、（ｒ）成分を含む主剤と、（ｑ）成分を含む硬化剤からなる２液型塗料とすることが望ましい。このような形態であれば、塗料の安定性確保、耐汚染性能の発現等の点で好適である。（ｓ）成分、（ｔ）成分、（ｕ）成分等は、主剤に混合すればよい。
非水系合成樹脂（ｐ）が架橋反応基を有するものであって、当該反応基と反応可能な架橋剤を使用する場合、該架橋剤は硬化剤に混合すればよい。具体的に、非水系合成樹脂（ｐ）が水酸基を有するものである場合には、イソシアネート化合物を硬化剤に混合することができる。
The form of the coating material of the present invention is not particularly limited as long as it comprises the non-aqueous synthetic resin (p), the modified silicate compound (q), and the infrared reflective powder (r) as constituent components. Usually, it is desirable to use a two-component paint comprising a main component containing the component (p) and the component (r) and a curing agent containing the component (q). Such a form is preferable in terms of ensuring the stability of the coating material and exhibiting antifouling performance. What is necessary is just to mix (s) component, (t) component, (u) component, etc. with a main ingredient.
When the non-aqueous synthetic resin (p) has a crosslinking reactive group and a crosslinking agent capable of reacting with the reactive group is used, the crosslinking agent may be mixed with a curing agent. Specifically, when the non-aqueous synthetic resin (p) has a hydroxyl group, an isocyanate compound can be mixed with the curing agent.
［遮熱断熱積層体の形成方法］
本発明の遮熱断熱積層体は、外装面の屋内側から屋外側へ向かって、基材層（Ａ）、断熱性下塗層（Ｂ）、上塗層（Ｃ）を有するものである。このような遮熱断熱積層体は、基材層（Ａ）に対して前記下塗材を塗付して断熱性下塗層（Ｂ）を形成した後、前記被覆材を塗付して上塗層（Ｃ）を形成することにより得ることができる。各材料の施工、乾燥養生等は、通常常温で行う。
[Method of forming a heat insulating and heat insulating laminate]
The heat insulation heat insulation laminated body of this invention has a base material layer (A), a heat insulation undercoat layer (B), and a topcoat layer (C) toward the outdoor side from the indoor side of an exterior surface. In such a heat-insulating and heat-insulating laminate, the primer is applied to the base material layer (A) to form the heat-insulating primer (B), and then the coating is applied to the base layer (A). It can be obtained by forming the layer (C). Construction of each material, drying curing, etc. are usually performed at room temperature.
断熱性下塗層（Ｂ）は、基材層（Ａ）の上に前記下塗材を塗付することにより形成できる。塗装においては、スプレー、ローラー、刷毛、鏝等の塗装器具を使用することができる。断熱性下塗層（Ｂ）の厚みは、所望の断熱性能等に応じて適宜設定すればよいが、通常は０．５〜２０ｍｍ程度である。 The heat insulating undercoat layer (B) can be formed by applying the undercoat material on the base material layer (A). In painting, painting tools such as sprays, rollers, brushes, scissors and the like can be used. The thickness of the heat-insulating undercoat layer (B) may be appropriately set according to the desired heat-insulating performance, but is usually about 0.5 to 20 mm.
断熱性下塗層（Ｂ）は、２種以上の下塗材によって形成することができる。一例として、無機質結合材、有機質結合材、及び中空粒子を含有する第１下塗材を使用し、有機質結合材、及び中空粒子を含有する第２下塗材を使用する態様が挙げられる。このような態様では、第１下塗材によって、下地調整機能、下地補強機能等を付与し、第２下塗材によって凹凸模様を付与することができる。 The heat insulating undercoat layer (B) can be formed of two or more types of undercoat materials. As an example, the aspect which uses the 1st primer which contains an inorganic binder, an organic binder, and a hollow particle, and uses the 2nd primer which contains an organic binder and a hollow particle is mentioned. In such an embodiment, the first undercoat material can provide a base adjustment function, a base reinforcement function, and the like, and the second undercoat material can provide a concavo-convex pattern.
本発明では、断熱性下塗層（Ｂ）と上塗層（Ｃ）の間に、遮熱性下塗層（Ｂ’）を設けることもできる。このような層を設けることは、本発明の効果発現の点で好ましいものである。このような遮熱性下塗層（Ｂ’）は、結合材及び赤外線反射性粉体を含有する下塗材により形成できる。遮熱性下塗層（Ｂ’）の厚みは、通常１０〜３００μｍ程度である。
また、断熱性下塗層（Ｂ）を形成する下塗材として、赤外線反射性粉体を配合したものを用いることで、同様の効果を得ることもできる。この場合、赤外線反射性粉体は、下塗材の結合材の固形分１００重量部に対し、通常１〜４００重量部（好ましくは２〜２００重量部）程度配合すればよい。
In the present invention, a heat-insulating undercoat layer (B ′) may be provided between the heat-insulating undercoat layer (B) and the topcoat layer (C). Providing such a layer is preferable in view of the effects of the present invention. Such a heat-insulating undercoat layer (B ′) can be formed of an undercoat material containing a binder and an infrared reflective powder. The thickness of the thermal barrier undercoat layer (B ′) is usually about 10 to 300 μm.
Moreover, the same effect can also be acquired by using what mix | blended infrared reflective powder as an undercoat material which forms a heat-insulating undercoat layer (B). In this case, the infrared reflective powder may be blended in an amount of usually about 1 to 400 parts by weight (preferably 2 to 200 parts by weight) with respect to 100 parts by weight of the solid content of the binder of the primer.
上塗層（Ｃ）は、断熱性下塗層（Ｂ）または遮熱性下塗層（Ｂ’）の上に、被覆材を塗付することによって形成すればよい。塗装においては、スプレー、ローラー、刷毛等の塗装器具を使用することができる。上塗層（Ｃ）の厚みは、通常は１０〜３００μｍ程度である。 The topcoat layer (C) may be formed by applying a coating material on the heat-insulating undercoat layer (B) or the heat-shielding undercoat layer (B ′). In painting, painting tools such as sprays, rollers, and brushes can be used. The thickness of the topcoat layer (C) is usually about 10 to 300 μm.
以下に実施例及び比較例を示し、本発明の特徴をより明確にする。 Examples and Comparative Examples are shown below to clarify the features of the present invention.
（変性シリケート化合物の製造）
・変性シリケート化合物（１）
メチルシリケート縮合物（重量平均分子量１０００、平均縮合度８、不揮発分１００％）１００重量部に対して、イソブチルアルコール５２重量部と、触媒としてジブチル錫ジラウレート０．０３重量部を添加し、混合後、７５℃で８時間脱メタノール反応を行い、変性シリケート化合物（１）を製造した。この変性シリケート化合物（１）におけるメチル基とイソブチル基との当量比率は６２：３８であり、９００℃にて焼成して得られたシリカ残量比率は４３重量％であった。
(Production of modified silicate compound)
・ Modified silicate compound (1)
52 parts by weight of isobutyl alcohol and 0.03 part by weight of dibutyltin dilaurate as a catalyst are added to 100 parts by weight of a methyl silicate condensate (weight average molecular weight 1000, average condensation degree 8, nonvolatile content 100%), and after mixing Then, a methanol removal reaction was performed at 75 ° C. for 8 hours to produce a modified silicate compound (1). In this modified silicate compound (1), the equivalent ratio of methyl group to isobutyl group was 62:38, and the residual silica ratio obtained by firing at 900 ° C. was 43% by weight.
・変性シリケート化合物（２）
メチルシリケート縮合物（重量平均分子量１０００、平均縮合度８、不揮発分１００％）１００重量部に対して、ｎ−ブチルアルコール５２重量部と、触媒としてジブチル錫ジラウレート０．０３重量部を添加し、混合後、７５℃で８時間脱メタノール反応を行い、変性シリケート化合物（２）を製造した。この変性シリケート化合物（２）におけるメチル基とｎ−ブチル基との当量比率は６２：３８であり、９００℃にて焼成して得られたシリカ残量比率は４３重量％であった。
・ Modified silicate compound (2)
52 parts by weight of n-butyl alcohol and 0.03 part by weight of dibutyltin dilaurate as a catalyst are added to 100 parts by weight of a methyl silicate condensate (weight average molecular weight 1000, average condensation degree 8, nonvolatile content 100%), After mixing, a demethanol reaction was performed at 75 ° C. for 8 hours to produce a modified silicate compound (2). In this modified silicate compound (2), the equivalent ratio of methyl group to n-butyl group was 62:38, and the residual silica ratio obtained by baking at 900 ° C. was 43% by weight.
（主剤の製造）
・主剤（１）
非水分散形アクリルポリオール（水酸基価５０ＫＯＨｍｇ／ｇ、重量平均分子量８００００、ガラス転移温度３８℃、固形分５０重量％、媒体：ミネラルスピリット、脂肪族炭化水素７０重量％）２００重量部に対し、酸化チタン（屈折率２．７１、平均粒子径０．３μｍ）８６重量部、ミネラルスピリット１８重量部、シリコーン系消泡剤１重量部を常法にて均一に混合・撹拌することにより、主剤（１）を製造した。
(Manufacture of main agent)
・ Main agent (1)
Non-water-dispersed acrylic polyol (hydroxyl value 50KOHmg / g, weight average molecular weight 80000, glass transition temperature 38 ° C, solid content 50% by weight, medium: mineral spirit, aliphatic hydrocarbon 70% by weight) is oxidized against 200 parts by weight. By uniformly mixing and stirring titanium (refractive index: 2.71, average particle size: 0.3 μm) 86 parts by weight, mineral spirit 18 parts by weight, and silicone-based antifoaming agent 1 part by weight, the main agent (1 ) Was manufactured.
・主剤（２）
非水分散形アクリルポリオール（水酸基価５０ＫＯＨｍｇ／ｇ、重量平均分子量８００００、ガラス転移温度３８℃、固形分５０重量％、媒体：ミネラルスピリット、脂肪族炭化水素７０重量％）２００重量部に対し、酸化チタン（屈折率２．７１、平均粒子径０．３μｍ）８６重量部、ミネラルスピリット１８重量部、ジブチル錫ジラウレート１重量部、シリコーン系消泡剤１重量部を常法にて均一に混合・撹拌することにより、主剤（２）を製造した。
・ Main agent (2)
Non-water-dispersed acrylic polyol (hydroxyl value 50KOHmg / g, weight average molecular weight 80000, glass transition temperature 38 ° C, solid content 50% by weight, medium: mineral spirit, aliphatic hydrocarbon 70% by weight) is oxidized against 200 parts by weight. Titanium (refractive index 2.71, average particle size 0.3 μm) 86 parts by weight, mineral spirit 18 parts by weight, dibutyltin dilaurate 1 part by weight, silicone-based antifoaming agent 1 part by weight are uniformly mixed and stirred by a conventional method. By doing this, the main agent (2) was manufactured.
・主剤（３）
非水分散形アクリルポリオール（水酸基価５０ＫＯＨｍｇ／ｇ、重量平均分子量８００００、ガラス転移温度３８℃、固形分５０重量％、媒体：ミネラルスピリット、脂肪族炭化水素７０重量％）２００重量部に対し、酸化チタン（屈折率２．７１、平均粒子径０．３μｍ）８６重量部、ミネラルスピリット１８重量部、ジブチル錫ジラウレート１重量部、無水マレイン酸１重量部、シリコーン系消泡剤１重量部を常法にて均一に混合・撹拌することにより、主剤（３）を製造した。
・ Main agent (3)
Non-water-dispersed acrylic polyol (hydroxyl value 50KOHmg / g, weight average molecular weight 80000, glass transition temperature 38 ° C, solid content 50% by weight, medium: mineral spirit, aliphatic hydrocarbon 70% by weight) is oxidized against 200 parts by weight. Conventional method: 86 parts by weight of titanium (refractive index: 2.71, average particle size: 0.3 μm), 18 parts by weight of mineral spirit, 1 part by weight of dibutyltin dilaurate, 1 part by weight of maleic anhydride, and 1 part by weight of silicone antifoaming agent The main agent (3) was produced by mixing and stirring uniformly at
・主剤（４）
非水分散形アクリルポリオール（水酸基価５０ＫＯＨｍｇ／ｇ、重量平均分子量８００００、ガラス転移温度３８℃、固形分５０重量％、媒体：ミネラルスピリット、脂肪族炭化水素７０重量％）２００重量部に対し、酸化チタン（屈折率２．７１、平均粒子径０．３μｍ）８６重量部、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）セバケート（分子量５０８、ｐＫｂ５．５）２重量部、ミネラルスピリット１８重量部、ジブチル錫ジラウレート１重量部、無水マレイン酸１重量部、シリコーン系消泡剤１重量部を常法にて均一に混合・撹拌することにより、主剤（４）を製造した。
・ Main agent (4)
Non-water-dispersed acrylic polyol (hydroxyl value 50KOHmg / g, weight average molecular weight 80000, glass transition temperature 38 ° C, solid content 50% by weight, medium: mineral spirit, aliphatic hydrocarbon 70% by weight) is oxidized against 200 parts by weight. 86 parts by weight of titanium (refractive index 2.71, average particle size 0.3 μm), 2 parts by weight of bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate (molecular weight 508, pKb5.5), The main agent (4) was produced by uniformly mixing and stirring 18 parts by weight of mineral spirit, 1 part by weight of dibutyltin dilaurate, 1 part by weight of maleic anhydride and 1 part by weight of a silicone-based antifoaming agent by a conventional method.
・主剤（５）
非水分散形アクリルポリオール（水酸基価５０ＫＯＨｍｇ／ｇ、重量平均分子量８００００、ガラス転移温度３８℃、固形分５０重量％、媒体：ミネラルスピリット、脂肪族炭化水素７０重量％）２００重量部に対し、酸化チタン（屈折率２．７１、平均粒子径０．３μｍ）４３重量部、酸化アルミニウム（屈折率１．７６、平均粒子径０．６μｍ）４３重量部、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）セバケート（分子量５０８、ｐＫｂ５．５）２重量部、ミネラルスピリット１８重量部、ジブチル錫ジラウレート１重量部、無水マレイン酸１重量部、シリコーン系消泡剤１重量部を常法にて均一に混合・撹拌することにより、主剤（５）を製造した。
・ Main agent (5)
Non-water-dispersed acrylic polyol (hydroxyl value 50KOHmg / g, weight average molecular weight 80000, glass transition temperature 38 ° C, solid content 50% by weight, medium: mineral spirit, aliphatic hydrocarbon 70% by weight) is oxidized against 200 parts by weight. 43 parts by weight of titanium (refractive index 2.71, average particle size 0.3 μm), 43 parts by weight of aluminum oxide (refractive index 1.76, average particle size 0.6 μm), bis (1,2,2,6,6) -Pentamethyl-4-piperidyl) sebacate (molecular weight 508, pKb 5.5) 2 parts by weight, mineral spirit 18 parts by weight, dibutyltin dilaurate 1 part by weight, maleic anhydride 1 part by weight, silicone-based antifoaming agent 1 part by weight The main agent (5) was produced by uniformly mixing and stirring by the method.
・主剤（６）
非水分散形アクリルポリオール（水酸基価５０ＫＯＨｍｇ／ｇ、重量平均分子量８００００、ガラス転移温度３８℃、固形分５０重量％、媒体：ミネラルスピリット、脂肪族炭化水素７０重量％）２００重量部に対し、酸化チタン（屈折率２．７１、平均粒子径０．３μｍ）４３重量部、酸化アルミニウム（屈折率１．７６、平均粒子径０．６μｍ）４３重量部、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）セバケート（分子量５０８、ｐＫｂ５．５）２重量部、ミネラルスピリット１８重量部、ジブチル錫ビスオクチル３−メルカプトプロピオネート１重量部、シリコーン系消泡剤１重量部を常法にて均一に混合・撹拌することにより、主剤（６）を製造した。
・ Main agent (6)
Non-water-dispersed acrylic polyol (hydroxyl value 50KOHmg / g, weight average molecular weight 80000, glass transition temperature 38 ° C, solid content 50% by weight, medium: mineral spirit, aliphatic hydrocarbon 70% by weight) is oxidized against 200 parts by weight. 43 parts by weight of titanium (refractive index 2.71, average particle size 0.3 μm), 43 parts by weight of aluminum oxide (refractive index 1.76, average particle size 0.6 μm), bis (1,2,2,6,6) -Pentamethyl-4-piperidyl) sebacate (molecular weight 508, pKb5.5) 2 parts by weight, mineral spirit 18 parts by weight, dibutyltin bisoctyl 3-mercaptopropionate 1 part by weight, silicone-based antifoaming agent 1 part by weight The main agent (6) was produced by mixing and stirring uniformly at.
（硬化剤の製造）
・硬化剤（１）
イソシアヌレート構造含有ポリイソシアネート（不揮発分１００重量％、ＮＣＯ含有量２１重量％）４０重量部に対し、ソルベッソ１００（エクソンケミカル社製）４０重量部、変性シリケート化合物（１）２０重量部を均一に混合することにより、硬化剤（１）を製造した。
(Manufacture of curing agent)
・ Curing agent (1)
40 parts by weight of Solvesso 100 (manufactured by Exxon Chemical) and 20 parts by weight of the modified silicate compound (1) are uniformly added to 40 parts by weight of polyisocyanate containing isocyanurate structure (non-volatile content: 100% by weight, NCO content: 21% by weight). The curing agent (1) was produced by mixing.
・硬化剤（２）
イソシアヌレート構造含有ポリイソシアネート（不揮発分１００重量％、ＮＣＯ含有量２１重量％）４０重量部に対し、ソルベッソ１００（エクソンケミカル社製）４０重量部、変性シリケート化合物（２）２０重量部を均一に混合することにより、硬化剤（２）を製造した。
・ Curing agent (2)
40 parts by weight of Solvesso 100 (manufactured by Exxon Chemical) and 20 parts by weight of the modified silicate compound (2) are uniformly added to 40 parts by weight of the polyisocyanate containing isocyanurate structure (non-volatile content: 100% by weight, NCO content: 21% by weight). The curing agent (2) was produced by mixing.
・硬化剤（３）
イソシアヌレート構造含有ポリイソシアネート（不揮発分１００重量％、ＮＣＯ含有量２１重量％）４０重量部に対し、ソルベッソ１００（エクソンケミカル社製）４５重量部、メチルシリケート縮合物（重量平均分子量１０００、平均縮合度８、不揮発分１００％）１５重量部を均一に混合することにより、硬化剤（３）を製造した。
・ Curing agent (3)
40 parts by weight of isocyanurate structure-containing polyisocyanate (non-volatile content 100% by weight, NCO content 21% by weight), 45 parts by weight of Solvesso 100 (manufactured by Exxon Chemical), methyl silicate condensate (weight average molecular weight 1000, average condensation) The curing agent (3) was produced by uniformly mixing 15 parts by weight (degree 8, non-volatile content 100%).
・硬化剤（４）
イソシアヌレート構造含有ポリイソシアネート（不揮発分１００重量％、ＮＣＯ含有量２１重量％）４０重量部に対し、ソルベッソ１００（エクソンケミカル社製）６０重量部を均一に混合することにより、硬化剤（４）を製造した。
・ Curing agent (4)
Curing agent (4) is obtained by uniformly mixing 60 parts by weight of Solvesso 100 (manufactured by Exxon Chemical Co.) with 40 parts by weight of polyisocyanate containing isocyanurate structure (non-volatile content: 100% by weight, NCO content: 21% by weight). Manufactured.
○実施例１
前述の主剤（１）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（１）を８６：１４の重量比率で均一に混合して被覆材Ａを得た。
アルミニウム板の片面に、ポルトランドセメント（Ｌ＊値９３）、フライアッシュバルーン（平均粒子径９０μｍ、密度０．７８ｇ／ｃｍ３）、ニトリル基含有陽イオン性アクリル樹脂エマルション（固形分５０重量％）、及び水を混練（重量比１００：３５：２２：３０）して得られる下塗材Ａを鏝塗りし、１６時間養生後、被覆材Ａをスプレー塗装し、７日間養生した。
これにより、乾燥厚み３ｍｍの下塗層と、乾燥厚み６０μｍの上塗層が積層された試験体を得た。なお、試験板の作製・養生はすべて標準状態（気温２３℃・相対湿度５０％）で行った。
○ Example 1
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (1) described above into a gray color having a lightness of 6 in the Munsell display system and a curing agent (1) 86: The coating material A was obtained by uniformly mixing at a weight ratio of 14.
On one side of the aluminum plate, Portland cement (L * value 93), fly ash balloon (average particle size 90 μm, density 0.78 g / cm 3 ), nitrile group-containing cationic acrylic resin emulsion (solid content 50% by weight), And undercoating material A obtained by kneading and water (weight ratio 100: 35: 22: 30) was applied by coating, and after curing for 16 hours, coating material A was spray-coated and cured for 7 days.
Thus, a test body was obtained in which an undercoat layer having a dry thickness of 3 mm and an overcoat layer having a dry thickness of 60 μm were laminated. The test plates were all prepared and cured in standard conditions (temperature 23 ° C., relative humidity 50%).
・試験１
上述の方法で得られた試験体の塗膜表面の接触角を測定した。接触角の測定は、協和界面科学株式会社製ＣＡ−Ａ型接触角測定装置にて行った。
次いで、この試験体を、プラスチック製波板の庇の下に設置（試験体の塗膜面に庇から流下する雨水が接触するように設置）して屋外曝露を行い、曝露１週間後及び１ヶ月後の時点での塗膜表面の接触角を測定した。
・ Test 1
The contact angle of the coating surface of the test body obtained by the above method was measured. The contact angle was measured with a CA-A type contact angle measuring device manufactured by Kyowa Interface Science Co., Ltd.
Next, this specimen was placed under the corrugated plastic corrugated board (installed so that the rainwater flowing from the straw touches the paint film surface of the specimen) and exposed outdoors. The contact angle on the surface of the coating film after a month was measured.
・試験２
上述の方法で得られた試験体の塗膜に対し、赤外線ランプを５０ｃｍの距離から照射し、温度上昇が平衡に達したときの試験体裏面温度を測定した。
次いで、カーボンブラック水分散ペースト液（濃度１重量％）に試験体を２時間浸漬した後、試験体を引きあげ標準状態で２４時間放置した。以上の処理を行った試験体の塗膜に対し、赤外線ランプを５０ｃｍの距離から照射し、温度上昇が平衡に達したときの試験体裏面温度を測定した。
・ Test 2
An infrared lamp was irradiated from a distance of 50 cm to the coating film of the test body obtained by the above method, and the back surface temperature of the test body when the temperature rise reached equilibrium was measured.
Next, the test specimen was immersed in a carbon black water dispersion paste (concentration: 1% by weight) for 2 hours, and then the test specimen was pulled up and allowed to stand in a standard state for 24 hours. An infrared lamp was irradiated from a distance of 50 cm to the coating film of the test body subjected to the above treatment, and the back surface temperature of the test body when the temperature rise reached equilibrium was measured.
結果を表１に示す。 The results are shown in Table 1.
○実施例２
前述の主剤（１）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（２）を８６：１４の重量比率で均一に混合して被覆材Ｂを得た。
被覆材Ａに替えて被覆材Ｂを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
Example 2
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (1) described above into a gray color having a Munsell display system with a lightness of 6 and a curing agent (2) 86: The coating material B was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material B was used instead of the coating material A. The results are shown in Table 1.
○実施例３
前述の主剤（２）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（１）を８６：１４の重量比率で均一に混合して被覆材Ｃを得た。
被覆材Ａに替えて被覆材Ｃを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
Example 3
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the aforementioned main agent (2) to a gray color having a Munsell display system brightness of 6 and a curing agent (1) 86: The coating material C was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material C was used instead of the coating material A. The results are shown in Table 1.
○実施例４
前述の主剤（３）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（１）を８６：１４の重量比率で均一に混合して被覆材Ｄを得た。
被覆材Ａに替えて被覆材Ｄを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
Example 4
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (3) described above into a Munsell display system with a lightness of 6 in gray and a curing agent (1) 86: The coating material D was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material D was used instead of the coating material A. The results are shown in Table 1.
○実施例５
前述の主剤（４）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（１）を８６：１４の重量比率で均一に混合して被覆材Ｅを得た。
被覆材Ａに替えて被覆材Ｅを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
Example 5
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (4) described above into a gray color having a lightness of 6 in the Munsell display system and a curing agent (1) 86: The coating material E was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material E was used instead of the coating material A. The results are shown in Table 1.
○実施例６
前述の主剤（５）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（１）を８６：１４の重量比率で均一に混合して被覆材Ｆを得た。
被覆材Ａに替えて被覆材Ｆを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
Example 6
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (5) described above to prepare a Munsell display system with a lightness of 6 and a curing agent (1) 86: The coating material F was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material F was used instead of the coating material A. The results are shown in Table 1.
○実施例７
前述の主剤（６）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（１）を８６：１４の重量比率で均一に混合して被覆材Ｇを得た。
被覆材Ａに替えて被覆材Ｇを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
Example 7
The main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (6) described above to prepare a Munsell display system with a lightness of gray and a curing agent (1) 86: The coating material G was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material G was used instead of the coating material A. The results are shown in Table 1.
○比較例１
前述の主剤（１）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（３）を８６：１４の重量比率で均一に混合して被覆材Ｈを得た。
被覆材Ａに替えて被覆材Ｈを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
○ Comparative Example 1
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the main agent (1) described above into a Munsell display system with a lightness of 6 and a curing agent (3) 86: The coating material H was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material H was used instead of the coating material A. The results are shown in Table 1.
○比較例２
前述の主剤（１）に対し、フタロシアニングリーン、フタロシアニンブルー、ペリレンレッド、ベンズイミダゾロンイエローを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（４）を８６：１４の重量比率で均一に混合して被覆材Ｉを得た。
被覆材Ａに替えて被覆材Ｉを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
○ Comparative Example 2
A main agent prepared by mixing phthalocyanine green, phthalocyanine blue, perylene red, and benzimidazolone yellow with the aforementioned main agent (1) into a gray color having a Munsell display system brightness of 6 and a curing agent (4) 86: The coating material I was obtained by uniformly mixing at a weight ratio of 14.
Each test was performed in the same manner as in Example 1 except that the coating material I was used instead of the coating material A. The results are shown in Table 1.
○比較例３
前述の主剤（１）に対し、カーボンブラックを混合して、マンセル表示系の明度６のグレー色に調製した主剤と、硬化剤（４）を８６：１４の重量比率で均一に混合して被覆材Ｊを得た。
被覆材Ａに替えて被覆材Ｊを使用した以外は、実施例１と同様の方法で各試験を行った。結果を表１に示す。
○ Comparative Example 3
Carbon black is mixed with the above main agent (1), and the main agent prepared in a Munsell display system with a lightness of 6 gray and the curing agent (4) are uniformly mixed at a weight ratio of 86:14 and coated. Material J was obtained.
Each test was performed in the same manner as in Example 1 except that the coating material J was used instead of the coating material A. The results are shown in Table 1.
Claims (2)
外装面の屋内側から屋外側へ向かって、基材層（Ａ）、結合材及び中空粒子を含有する下塗材により形成される断熱性下塗層（Ｂ）、
非水系合成樹脂（ｐ）、炭素数１〜２のアルキル基と炭素数３以上のアルキル基が、９５：５〜５０：５０の当量比率で混在する変性シリケート化合物（ｑ）、赤外線反射性粉体（ｒ）、有機錫化合物（ｓ）、及び有機酸化合物（ｔ）を必須成分とし、前記非水系合成樹脂（ｐ）の固形分１００重量部に対し、前記変性シリケート化合物（ｑ）をＳｉＯ２換算で０．１〜２０重量部、前記赤外線反射性粉体（ｒ）を１〜２００重量部、前記有機錫化合物（ｓ）を０．０１〜１０重量部、前記有機酸化合物（ｔ）を０．０１〜１０重量部含む被覆材により形成される上塗層（Ｃ）
を有することを特徴とする遮熱断熱積層体。 It is a heat-insulating and heat-insulating laminate constituting the building exterior surface,
From the indoor side to the outdoor side of the exterior surface, the heat-insulating undercoat layer (B) formed by the base material layer (A), the base material containing the binder and the hollow particles,
Non-aqueous synthetic resin (p), modified silicate compound (q) in which an alkyl group having 1 to 2 carbon atoms and an alkyl group having 3 or more carbon atoms are mixed in an equivalent ratio of 95: 5 to 50:50 , infrared reflective powder The body (r) , the organic tin compound (s), and the organic acid compound (t) are essential components, and the modified silicate compound (q) is added to SiO with respect to 100 parts by weight of the solid content of the non-aqueous synthetic resin (p). 0.1 to 20 parts by weight in terms of 2 ; 1 to 200 parts by weight of the infrared reflective powder (r ); 0.01 to 10 parts by weight of the organic tin compound (s); and the organic acid compound (t). Coating layer formed from a coating material containing 0.01 to 10 parts by weight (C)
A heat-insulating and heat-insulating laminate characterized by comprising:
The heat insulation heat insulation laminated body of Claim 1 in which the said coating | covering material contains 0.01-10 weight part of organotin compounds (u) containing a sulfur atom further.
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| JP4637717B2 (en) * | 2005-10-24 | 2011-02-23 | エスケー化研株式会社 | How to renovate building exterior |
| JP4982092B2 (en) * | 2006-03-03 | 2012-07-25 | エスケー化研株式会社 | Paint composition |
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| KR20150047165A (en) * | 2013-10-24 | 2015-05-04 | 니치하 가부시키가이샤 | Building board and method for producing the same |
| KR101893750B1 (en) * | 2013-10-24 | 2018-09-03 | 니치하 가부시키가이샤 | Building board and method for producing the same |
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