JP2007270019A - Resin concrete resin composition - Google Patents
Resin concrete resin composition Download PDFInfo
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- JP2007270019A JP2007270019A JP2006099018A JP2006099018A JP2007270019A JP 2007270019 A JP2007270019 A JP 2007270019A JP 2006099018 A JP2006099018 A JP 2006099018A JP 2006099018 A JP2006099018 A JP 2006099018A JP 2007270019 A JP2007270019 A JP 2007270019A
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- ethylene urea
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- 229920005989 resin Polymers 0.000 title claims abstract description 121
- 239000011347 resin Substances 0.000 title claims abstract description 121
- 239000011342 resin composition Substances 0.000 title claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 70
- YAMHXTCMCPHKLN-UHFFFAOYSA-N imidazolidin-2-one Chemical compound O=C1NCCN1 YAMHXTCMCPHKLN-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000000178 monomer Substances 0.000 claims abstract description 19
- 239000011256 inorganic filler Substances 0.000 claims description 33
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 33
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 4
- 238000007665 sagging Methods 0.000 abstract description 18
- 230000002542 deteriorative effect Effects 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 description 20
- 238000001723 curing Methods 0.000 description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 10
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 9
- 238000001879 gelation Methods 0.000 description 9
- 230000002265 prevention Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 229920006337 unsaturated polyester resin Polymers 0.000 description 7
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 239000004568 cement Substances 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000006116 polymerization reaction Methods 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000010454 slate Substances 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 4
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 description 4
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 229920006305 unsaturated polyester Polymers 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- 229910002012 Aerosil® Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 2
- 208000034189 Sclerosis Diseases 0.000 description 2
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 2
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- -1 allyl ester Chemical class 0.000 description 2
- HXFVOUUOTHJFPX-UHFFFAOYSA-N alumane;zinc Chemical compound [AlH3].[Zn] HXFVOUUOTHJFPX-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- NWVVVBRKAWDGAB-UHFFFAOYSA-N hydroquinone methyl ether Natural products COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 2
- 229910001701 hydrotalcite Inorganic materials 0.000 description 2
- 229960001545 hydrotalcite Drugs 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 1
- JMIZWXDKTUGEES-UHFFFAOYSA-N 2,2-di(cyclopenten-1-yloxy)ethyl 2-methylprop-2-enoate Chemical compound C=1CCCC=1OC(COC(=O)C(=C)C)OC1=CCCC1 JMIZWXDKTUGEES-UHFFFAOYSA-N 0.000 description 1
- BHKAWXZKFKVZLK-UHFFFAOYSA-N 2,3-ditert-butyl-6-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(C(C)(C)C)=C1O BHKAWXZKFKVZLK-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- POYODSZSSBWJPD-UHFFFAOYSA-N 2-methylprop-2-enoyloxy 2-methylprop-2-eneperoxoate Chemical compound CC(=C)C(=O)OOOC(=O)C(C)=C POYODSZSSBWJPD-UHFFFAOYSA-N 0.000 description 1
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- MHCLJIVVJQQNKQ-UHFFFAOYSA-N ethyl carbamate;2-methylprop-2-enoic acid Chemical compound CCOC(N)=O.CC(=C)C(O)=O MHCLJIVVJQQNKQ-UHFFFAOYSA-N 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- GEMHFKXPOCTAIP-UHFFFAOYSA-N n,n-dimethyl-n'-phenylcarbamimidoyl chloride Chemical compound CN(C)C(Cl)=NC1=CC=CC=C1 GEMHFKXPOCTAIP-UHFFFAOYSA-N 0.000 description 1
- 150000001451 organic peroxides Chemical class 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Polymerisation Methods In General (AREA)
- Macromonomer-Based Addition Polymer (AREA)
Abstract
Description
本発明は、作業性およびタレ防止性に優れたレジンコンクリート樹脂組成物に関する。 The present invention relates to a resin concrete resin composition excellent in workability and sagging prevention properties.
反応性樹脂と反応性単量体とを含む樹脂混合物を硬化剤で硬化させて得られるレジンコンクリートは、耐薬品性に優れ、強靭な硬化物を形成することが知られている。 It is known that resin concrete obtained by curing a resin mixture containing a reactive resin and a reactive monomer with a curing agent is excellent in chemical resistance and forms a tough cured product.
しかし、例えば、気温が高くなる夏にレジンコンクリートを用いると、硬化時間が短くなり、塗布面を仕上げる作業時間(可使時間)を確保できない問題がある。可使時間を確保するために硬化剤の量を少なくすると、レジンコンクリートの耐薬品性および強度が低下する問題がある。したがって、硬化剤の量を一定以上減らすことはできない。 However, for example, when resin concrete is used in the summer when the temperature is high, there is a problem that the curing time is shortened and the work time (pot life) for finishing the coated surface cannot be secured. If the amount of the curing agent is reduced to ensure the pot life, there is a problem that the chemical resistance and strength of the resin concrete are lowered. Therefore, the amount of curing agent cannot be reduced beyond a certain level.
そこで、レジンコンクリートの硬化時間を調整するために、レジンコンクリートに重合禁止剤を添加する方法が知られている。 Therefore, a method of adding a polymerization inhibitor to the resin concrete is known in order to adjust the setting time of the resin concrete.
特許文献1には、速硬化性および作業性に優れた樹脂組成物として、不飽和ポリエステル樹脂、ビニル単量体、ジ−t−ブチルヒドロキシトルエン(BHT)、熱可塑性樹脂、有機過酸化物、および重合禁止作用を有する化合物を含有する不飽和ポリエステル樹脂組成物が記載されている。特許文献2には、速硬化性を有し可使時間を長くすることが可能な樹脂組成物として、不飽和ポリエステル、重合性単量体、およびアルキル置換されたフェノール誘導体を含有する不飽和ポリエステル樹脂組成物が記載されており、硬化時間を調整するためにハイドロキノン(重合禁止剤)などを併用し得ることが記載されている。そして、特許文献3には、速硬化性と可使時間を損なわない方法として、不飽和ポリエステル、ビニル単量体、硬化剤、および酸化防止剤を含有する不飽和ポリエステル樹脂組成物に重合禁止作用を示す化合物を添加して硬化させる硬化方法が開示されている。しかし、いずれの場合も硬化速度が低下し、未だ満足し得る表面硬化性、強度などの物性が得られていない。さらに、重合禁止剤の添加量が微量であるために、施工現場での調製が困難であるなどの問題もある。 Patent Document 1 includes an unsaturated polyester resin, a vinyl monomer, di-t-butylhydroxytoluene (BHT), a thermoplastic resin, an organic peroxide, as a resin composition excellent in fast curability and workability. And an unsaturated polyester resin composition containing a compound having a polymerization inhibiting action. Patent Document 2 discloses an unsaturated polyester containing an unsaturated polyester, a polymerizable monomer, and an alkyl-substituted phenol derivative as a resin composition that has fast curability and can have a long pot life. A resin composition is described, and it is described that hydroquinone (polymerization inhibitor) or the like can be used in combination in order to adjust the curing time. Patent Document 3 discloses a method for inhibiting polymerization of an unsaturated polyester resin composition containing an unsaturated polyester, a vinyl monomer, a curing agent, and an antioxidant as a method that does not impair fast curability and pot life. A curing method is disclosed in which a compound having the formula is added and cured. However, in any case, the curing rate is lowered, and satisfactory physical properties such as surface curability and strength have not been obtained. Furthermore, since the addition amount of a polymerization inhibitor is very small, there is a problem that preparation at a construction site is difficult.
一方、レジンコンクリートの硬化時間が長くなると、レジンコンクリート中の樹脂混合物と添加剤とが分離し、添加剤の沈み込み、垂直面および傾斜面に塗布するとタレを生じるなどの問題がある。これらの問題を防止するために、増粘剤を添加する方法が開示されている。しかし、増粘剤は、アエロジルなどの鉱物系粉末を使用するケースが多く、樹脂混合物との混ざりが悪いため、特別な撹拌設備が必要となる場合がある。 On the other hand, when the curing time of the resin concrete becomes long, the resin mixture and the additive in the resin concrete are separated, and there is a problem that the additive sinks and sagging occurs when applied to vertical and inclined surfaces. In order to prevent these problems, a method of adding a thickener is disclosed. However, the thickener often uses mineral-based powder such as Aerosil and is not well mixed with the resin mixture, so that special stirring equipment may be required.
特許文献4には、増粘剤として疎水性の2つの末端部分を有するアクリルアミド系の会合型3元ブロックポリマーが開示されている。しかし、このような増粘剤を用いても十分な増粘効果が得られず、さらに高価であるために工業的に使用するには経済的な問題がある。
本発明の目的は、硬化性を低下させることなく可使時間を確保することができ、さらにタレ防止性に優れたレジンコンクリート樹脂組成物を提供することにある。 An object of the present invention is to provide a resin concrete resin composition that can secure a pot life without deteriorating curability and is further excellent in sagging prevention.
本発明者らは、上記課題を解決するために鋭意研究した結果、ラジカル硬化性樹脂と反応性単量体とからなる樹脂混合物およびエチレン尿素からなるレジンコンクリート樹脂組成物が、レジンコンクリートの硬化性を低下させることなく可使時間を確保することができ、さらにレジンコンクリートのタレ防止性に優れることを見出した。 As a result of intensive studies to solve the above problems, the present inventors have found that a resin mixture composed of a radical curable resin and a reactive monomer and a resin concrete resin composition composed of ethylene urea are hardened by resin concrete. It has been found that the pot life can be ensured without lowering, and that the resin concrete has excellent sagging prevention properties.
本発明のレジンコンクリート樹脂組成物は、ラジカル硬化性樹脂と反応性単量体とからなる樹脂混合物(A)およびエチレン尿素(B)からなるレジンコンクリート樹脂組成物であって、該樹脂混合物(A)100質量部に対して、該エチレン尿素は0.1〜10質量部でなる。 The resin concrete resin composition of the present invention is a resin mixture (A) comprising a radical curable resin and a reactive monomer and a resin concrete resin composition comprising ethylene urea (B), the resin mixture (A ) The ethylene urea is 0.1 to 10 parts by mass with respect to 100 parts by mass.
本発明のレジンコンクリート樹脂組成物はまた、ラジカル硬化性樹脂と反応性単量体とからなる樹脂混合物(A)、エチレン尿素(B)、および無機フィラー(C)からなるレジンコンクリート樹脂組成物であって、該樹脂混合物(A)100質量部に対して、該エチレン尿素は0.1〜10質量部、そして該無機フィラーは0.005〜500質量部でなる。 The resin concrete resin composition of the present invention is also a resin concrete resin composition comprising a resin mixture (A) comprising a radical curable resin and a reactive monomer, ethylene urea (B), and an inorganic filler (C). The ethylene urea is 0.1 to 10 parts by mass and the inorganic filler is 0.005 to 500 parts by mass with respect to 100 parts by mass of the resin mixture (A).
1つの実施態様においては、上記エチレン尿素と上記無機フィラーとは粉砕混合して用いられる。 In one embodiment, the ethylene urea and the inorganic filler are used by being pulverized and mixed.
1つの実施態様においては、上記無機フィラー(C)は、無機酸化物である。 In one embodiment, the said inorganic filler (C) is an inorganic oxide.
本発明によれば、レジンコンクリートの硬化性を低下させずに可使時間を確保することができ、さらにタレ防止性に優れたレジンコンクリート樹脂組成物が得られる。 ADVANTAGE OF THE INVENTION According to this invention, the pot life can be ensured without reducing the sclerosis | hardenability of resin concrete, and also the resin concrete resin composition excellent in sagging prevention property is obtained.
本発明のレジンコンクリート樹脂組成物は、ラジカル硬化性樹脂と反応性単量体とからなる樹脂混合物(A)(以下、A成分という場合がある)およびエチレン尿素(B)(以下、B成分という場合がある)からなる。あるいは、本発明のレジンコンクリート樹脂組成物は、上記ラジカル硬化性樹脂と反応性単量体とからなる樹脂混合物(A)、上記エチレン尿素(B)、および無機フィラー(C)(以下、C成分という場合がある)からなる。以下、各成分、レジンコンクリート樹脂組成物、およびエチレン尿素の添加方法について説明する。 The resin concrete resin composition of the present invention includes a resin mixture (A) composed of a radical curable resin and a reactive monomer (hereinafter sometimes referred to as A component) and ethylene urea (B) (hereinafter referred to as B component). May be). Alternatively, the resin concrete resin composition of the present invention comprises a resin mixture (A) comprising the radical curable resin and a reactive monomer, the ethylene urea (B), and an inorganic filler (C) (hereinafter referred to as C component). In some cases). Hereinafter, each component, the resin concrete resin composition, and the addition method of ethylene urea will be described.
(樹脂混合物(A):A成分)
本発明に用いられる樹脂混合物(A)は、ラジカル硬化性樹脂および反応性単量体からなる。
(Resin mixture (A): Component A)
The resin mixture (A) used in the present invention comprises a radical curable resin and a reactive monomer.
ラジカル硬化性樹脂とは、ラジカルを発生し得る硬化剤などの存在下で、ラジカル重合によって硬化する樹脂である。ラジカル硬化性樹脂としては、例えば、不飽和ポリエステル樹脂、ビニルエステル樹脂、ウレタン(メタ)アクリレート、ポリエステル(メタ)アクリレートなどが挙げられる。ウレタン(メタ)アクリレートとは、(メタ)アクリロイル基を有するポリウレタン樹脂をいう。ポリエステル(メタ)アクリレートとは、(メタ)アクリロイル基を有するポリエステル樹脂をいう。 The radical curable resin is a resin that is cured by radical polymerization in the presence of a curing agent capable of generating radicals. Examples of the radical curable resin include unsaturated polyester resin, vinyl ester resin, urethane (meth) acrylate, and polyester (meth) acrylate. Urethane (meth) acrylate refers to a polyurethane resin having a (meth) acryloyl group. The polyester (meth) acrylate refers to a polyester resin having a (meth) acryloyl group.
本明細書において、「(メタ)アクリレート」とは、アクリレートおよびメタクリレートのうちの少なくとも一方を指して言い、「(メタ)アクリル酸」とは、アクリル酸およびメタクリル酸のうちの少なくとも一方を指して言う。 In this specification, “(meth) acrylate” refers to at least one of acrylate and methacrylate, and “(meth) acrylic acid” refers to at least one of acrylic acid and methacrylic acid. To tell.
反応性単量体としては、例えば、ビニル系単量体、(メタ)アクリル酸系単量体、アリルエステル系単量体などが挙げられる。具体的には、スチレン、メチルメタクリレート、ジシクロペンテニルオキシエチル(メタ)アクリレート、テトラヒドロフルフリル(メタ)アクリレート、ジアリルフタレート、フェノキシ(メタ)アクリレートなどが挙げられる。 Examples of reactive monomers include vinyl monomers, (meth) acrylic acid monomers, allyl ester monomers, and the like. Specific examples include styrene, methyl methacrylate, dicyclopentenyloxyethyl (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, diallyl phthalate, and phenoxy (meth) acrylate.
本発明に用いられる樹脂混合物(A)は、混合性の点で、ラジカル硬化性樹脂および反応性単量体の質量比は、好ましくは5/95〜60/40であり、より好ましくは10/90〜50/50であり、さらに好ましくは20/80〜40/60である。 In the resin mixture (A) used in the present invention, the mass ratio of the radical curable resin and the reactive monomer is preferably 5/95 to 60/40, and more preferably 10 / It is 90-50 / 50, More preferably, it is 20 / 80-40 / 60.
(エチレン尿素(B):B成分)
本発明に用いられるエチレン尿素(B)は、市販品を適宜用いることができる。
(Ethyleneurea (B): B component)
A commercially available product can be used as appropriate for the ethylene urea (B) used in the present invention.
(無機フィラー(C):C成分)
本発明に用いられる無機フィラー(C)としては、例えば、鉱物系、金属系などの充填剤;ガラス繊維;カーボンなどが挙げられる。具体的には、鉱物系充填剤としては、シリカ、亜鉛−アルミニウムハイドロタルサイト、ケイ酸アルミニウムなどの無機酸化物を成分として含むものが挙げられ、金属塩系充填剤としては、マグネシウムステアレート、炭酸カルシウムなどが挙げられる。これらの中でも、エチレン尿素の粉砕性およびブロッキング防止性の点で、無機酸化物が好ましく、特にシリカが好ましい。
(Inorganic filler (C): C component)
Examples of the inorganic filler (C) used in the present invention include mineral-based and metal-based fillers; glass fibers; carbon and the like. Specifically, examples of the mineral-based filler include those containing inorganic oxides such as silica, zinc-aluminum hydrotalcite, and aluminum silicate as components, and examples of the metal salt-based filler include magnesium stearate, Examples include calcium carbonate. Among these, an inorganic oxide is preferable and silica is particularly preferable from the viewpoints of ethylene urea grindability and blocking prevention.
(レジンコンクリート樹脂組成物)
本発明のレジンコンクリート樹脂組成物は、上記樹脂混合物(A)(A成分)および上記エチレン尿素(B)(B成分)からなる。あるいは、上記A成分、上記B成分、および上記無機フィラー(C)(C成分)とからなる。
(Resin concrete resin composition)
The resin concrete resin composition of the present invention comprises the resin mixture (A) (component A) and the ethylene urea (B) (component B). Or it consists of said A component, said B component, and said inorganic filler (C) (C component).
本発明のレジンコンクリート樹脂組成物が樹脂混合物(A)およびエチレン尿素(B)からなる場合、樹脂混合物(A)100質量部に対して、エチレン尿素(B)は0.1〜10質量部の割合でなる。エチレン尿素(B)の量が0.1質量部未満の場合、レジンコンクリートを施工する際の作業性およびタレ防止性が低下し、仕上がりの外観が悪くなる。エチレン尿素(B)の量が10質量部を超える場合、レジンコンクリートが硬化しない場合がある。エチレン尿素(B)は、樹脂混合物(A)100質量部に対して、好ましくは1〜7質量部、より好ましくは2〜4質量部である。 When the resin concrete resin composition of the present invention comprises the resin mixture (A) and ethylene urea (B), the ethylene urea (B) is 0.1 to 10 parts by mass with respect to 100 parts by mass of the resin mixture (A). It is a percentage. When the amount of ethylene urea (B) is less than 0.1 parts by mass, workability and sagging prevention properties when constructing resin concrete are lowered, and the finished appearance is deteriorated. When the amount of ethylene urea (B) exceeds 10 parts by mass, the resin concrete may not be cured. Ethylene urea (B) is preferably 1 to 7 parts by mass, more preferably 2 to 4 parts by mass with respect to 100 parts by mass of the resin mixture (A).
本発明のレジンコンクリート樹脂組成物が樹脂混合物(A)、エチレン尿素(B)、および無機フィラー(C)からなる場合、樹脂混合物(A)100質量部に対して、エチレン尿素(B)は0.1〜10質量部、そして無機フィラー(C)は0.005〜500質量部の割合でなる。無機フィラー(C)の量が500質量部を超える場合、レジンコンクリートを施工する際の作業性が低下し、仕上がりの外観が悪くなる。エチレン尿素(B)は、樹脂混合物(A)100質量部に対して、好ましくは1〜7質量部、より好ましくは2〜4質量部である。無機フィラー(C)は、樹脂混合物(A)100質量部に対して、好ましくは1〜300質量部、より好ましくは5〜200質量部である。 When the resin concrete resin composition of the present invention is composed of a resin mixture (A), ethylene urea (B), and an inorganic filler (C), ethylene urea (B) is 0 with respect to 100 parts by mass of the resin mixture (A). 0.1 to 10 parts by mass, and the inorganic filler (C) is in a proportion of 0.005 to 500 parts by mass. When the amount of the inorganic filler (C) exceeds 500 parts by mass, workability when constructing the resin concrete is lowered, and the finished appearance is deteriorated. Ethylene urea (B) is preferably 1 to 7 parts by mass, more preferably 2 to 4 parts by mass with respect to 100 parts by mass of the resin mixture (A). The inorganic filler (C) is preferably 1 to 300 parts by mass, more preferably 5 to 200 parts by mass with respect to 100 parts by mass of the resin mixture (A).
さらに、本発明のレジンコンクリート樹脂組成物が樹脂混合物(A)、エチレン尿素(B)、および無機フィラー(C)からなる場合、エチレン尿素(B)および無機フィラーは、それぞれ別個に添加してもよいが、レジンコンクリートを施工する際の作業性およびタレ防止性をより発揮させるために、エチレン尿素(B)と無機フィラー(C)と一緒に粉砕混合してから樹脂混合物(A)に添加することが好ましい。 Furthermore, when the resin concrete resin composition of this invention consists of a resin mixture (A), ethylene urea (B), and an inorganic filler (C), even if ethylene urea (B) and an inorganic filler are added separately, respectively. Although it is good, in order to demonstrate the workability and the sagging prevention property when constructing resin concrete, it is pulverized and mixed together with ethylene urea (B) and inorganic filler (C) and then added to the resin mixture (A). It is preferable.
エチレン尿素(B)と無機フィラー(C)とを粉砕混合する場合、質量比(エチレン尿素/無機フィラー)は、好ましくは1/50〜20/1、より好ましくは1/30〜10/1である。エチレン尿素(B)と無機フィラー(C)との質量比が1/50未満および20/1を超える場合、粉砕混合が困難となる場合がある。 When ethylene urea (B) and inorganic filler (C) are pulverized and mixed, the mass ratio (ethylene urea / inorganic filler) is preferably 1/50 to 20/1, more preferably 1/30 to 10/1. is there. When the mass ratio of ethylene urea (B) and inorganic filler (C) is less than 1/50 and exceeds 20/1, pulverization and mixing may be difficult.
エチレン尿素(B)と無機フィラー(C)との粉砕混合は、一般的に使用されている粉砕混合機を用い得る。粉砕混合機としては、例えばボールミル、ポットミル、ハンマーミル、パルペライザ、ピンミル、アトライター、ジェットミル、スーパーミキサー、エクストルーダー、ニーダ、リボンブレンダーなどが挙げられる。 For the pulverization and mixing of ethylene urea (B) and the inorganic filler (C), a pulverization mixer generally used can be used. Examples of the pulverizer include a ball mill, a pot mill, a hammer mill, a pulverizer, a pin mill, an attritor, a jet mill, a super mixer, an extruder, a kneader, and a ribbon blender.
エチレン尿素(B)と無機フィラー(C)との粉砕混合品の粒子径は、レジンコンクリートを施工する際の作業性、タレ防止性の点から好ましくは0.1〜1000μm、より好ましくは1〜200μmである。 The particle size of the pulverized mixed product of ethylene urea (B) and inorganic filler (C) is preferably 0.1 to 1000 μm, more preferably 1 to 1000 μm, from the viewpoint of workability and sagging prevention when resin concrete is applied. 200 μm.
このようにエチレン尿素(B)と無機フィラー(C)とを粉砕混合することによって、短時間で粉砕され粒径の小さな粉砕混合品が得られる。 By pulverizing and mixing ethylene urea (B) and inorganic filler (C) in this way, a pulverized mixed product having a small particle diameter is obtained by pulverizing in a short time.
本発明を実施例および比較例により具体的に説明するが、本発明はこれらの実施例により何ら限定されるものではない。 The present invention will be specifically described with reference to Examples and Comparative Examples, but the present invention is not limited to these Examples.
(調製例1:エチレン尿素と無機フィラーとの粉砕混合品の調製)
(調製例1.1)
エチレン尿素80質量部に対して、無機フィラーとしてシリカを20質量部混合して得られた混合物を、リボンブレンダーで10分間粗粉砕を行った。次いで、ハンマーミル(軸回転2000rpmおよびスクリーンメッシュ径300μm)で10分間粉砕を行って、平均粒径が100μmのエチレン尿素と無機フィラーとの粉砕混合品Iを得た。
(Preparation Example 1: Preparation of a pulverized mixture of ethylene urea and inorganic filler)
(Preparation Example 1.1)
A mixture obtained by mixing 20 parts by mass of silica as an inorganic filler with respect to 80 parts by mass of ethylene urea was roughly pulverized with a ribbon blender for 10 minutes. Subsequently, the mixture was pulverized for 10 minutes with a hammer mill (axial rotation 2000 rpm and screen mesh diameter 300 μm) to obtain a pulverized mixture I of ethylene urea having an average particle diameter of 100 μm and an inorganic filler.
(調整例1.2)
エチレン尿素65質量部に対して、無機フィラーとして亜鉛−アルミニウムハイドロタルサイトを35質量部混合して得られた混合物を、リボンブレンダーで10分間粗粉砕を行った。次いで、ピンミル(軸回転5000rpmおよびスクリーンメッシュ径300μm)で2分間粉砕を行って、平均粒径が100μmのエチレン尿素と無機フィラーとの粉砕混合品IIを得た。
(Adjustment example 1.2)
A mixture obtained by mixing 35 parts by mass of zinc-aluminum hydrotalcite as an inorganic filler with respect to 65 parts by mass of ethylene urea was roughly pulverized with a ribbon blender for 10 minutes. Next, the mixture was pulverized for 2 minutes by a pin mill (shaft rotation 5000 rpm and screen mesh diameter 300 μm) to obtain a pulverized mixture II of ethylene urea having an average particle diameter of 100 μm and an inorganic filler.
(調製例1.3)
エチレン尿素50質量部に対して、無機フィラーとしてケイ酸アルミニウムを50質量部混合して得られた混合物を、リボンブレンダーで10分間粗粉砕を行った。次いで、スーパーミキサー(軸回転8000rpmおよびスクリーンメッシュ径300μm)で5分間粉砕を行って、平均粒径が200μmのエチレン尿素と無機フィラーとの粉砕混合品IIIを得た。
(Preparation Example 1.3)
A mixture obtained by mixing 50 parts by mass of aluminum silicate as an inorganic filler with respect to 50 parts by mass of ethylene urea was roughly pulverized with a ribbon blender for 10 minutes. Subsequently, the mixture was pulverized for 5 minutes with a super mixer (axial rotation 8000 rpm and screen mesh diameter 300 μm) to obtain a pulverized mixture III of ethylene urea having an average particle diameter of 200 μm and an inorganic filler.
(調製例1.4〜1.6)
調製例1.1で用いたエチレン尿素およびシリカを、表1に記載の量に代えたこと以外は、調製例1.1と同様の手順で粉砕混合品IV〜VIをそれぞれ得た。
(Preparation Examples 1.4 to 1.6)
Grinded mixtures IV to VI were obtained in the same manner as in Preparation Example 1.1, except that ethylene urea and silica used in Preparation Example 1.1 were replaced by the amounts shown in Table 1.
調製例1.1〜1.6で得られた粉砕混合品I〜VIについて、40℃で1ヶ月間保存後のブロッキングの有無により、保存安定性を評価した。評価は、目視により以下の基準で行った。結果を表1に示す。 With respect to the pulverized mixed products I to VI obtained in Preparation Examples 1.1 to 1.6, the storage stability was evaluated by the presence or absence of blocking after storage at 40 ° C. for 1 month. The evaluation was performed according to the following criteria by visual observation. The results are shown in Table 1.
(評価基準)
○:ブロッキングがまったく見られなかった場合。
△:ブロッキングが一部に発生していた場合。
×:ブロッキングが発生し、完全に固化していた場合。
(Evaluation criteria)
○: When blocking was not seen at all.
(Triangle | delta): When blocking has generate | occur | produced in part.
X: When blocking occurred and solidified completely.
(調製例2:樹脂混合物(A)の調整)
(調製例2.1)
反応性単量体としてスチレン50質量部に対して、ラジカル硬化性樹脂として不飽和ポリエステル樹脂(リゴラックBF−100B:昭和高分子株式会社製)50質量部を混合して、樹脂混合物A1を得た。
(Preparation Example 2: Preparation of resin mixture (A))
(Preparation Example 2.1)
50 parts by mass of styrene as a reactive monomer and 50 parts by mass of an unsaturated polyester resin (Rigolac BF-100B: Showa Polymer Co., Ltd.) as a radical curable resin were mixed to obtain a resin mixture A1. .
(調製例2.2)
ジシクロペンテニルオキシエチルメタクリレート60質量部に対して、エポキシメタクリレート(フタルキッドE−9500:日立化成工業株式会社製)40質量部を混合して、樹脂混合物A2を得た。
(Preparation Example 2.2)
To 60 parts by mass of dicyclopentenyloxyethyl methacrylate, 40 parts by mass of epoxy methacrylate (phthalkid E-9500: manufactured by Hitachi Chemical Co., Ltd.) was mixed to obtain a resin mixture A2.
(調製例2.3)
メチルメタクリレート80質量部に対して、ウレタンメタクリレート(タケネートL−1270:三井武田ケミカル株式会社製)20質量部を混合して、樹脂混合物A3を得た。
(Preparation Example 2.3)
20 parts by mass of urethane methacrylate (Takenate L-1270: manufactured by Mitsui Takeda Chemical Co., Ltd.) was mixed with 80 parts by mass of methyl methacrylate to obtain a resin mixture A3.
(調製例2.4)
調製例2.1で用いたスチレンを20質量部および不飽和ポリエステル樹脂を80質量部としたこと以外は、調製例2.1と同様の手順で樹脂混合物A4を得た。
(Preparation Example 2.4)
Resin mixture A4 was obtained in the same procedure as in Preparation Example 2.1 except that 20 parts by mass of styrene and 80 parts by mass of the unsaturated polyester resin used in Preparation Example 2.1 were used.
(実施例1)
(レジンコンクリート組成物の調製)
上記調製例2.1で得られた樹脂混合物(A1)100質量部に対して、上記調製例1.1で得られた粉砕混合品Iを2質量部混合し、ハンドミキサーで撹拌しレジンコンクリート樹脂組成物を得た。次いで、促進剤として6質量%ナフテン酸コバルト溶液を0.5質量部加えて撹拌した。次いで、クメンハイドロパーオキサイドを2質量部および骨材として4号珪砂を500質量部加えて、ハンドミキサーで撹拌し、モルタル状にしてレジンコンクリート組成物を得た。
Example 1
(Preparation of resin concrete composition)
2 parts by mass of the pulverized mixture I obtained in Preparation Example 1.1 above is mixed with 100 parts by mass of the resin mixture (A1) obtained in Preparation Example 2.1, and the mixture is stirred with a hand mixer and resin concrete. A resin composition was obtained. Subsequently, 0.5 mass part of 6 mass% cobalt naphthenate solution was added as an accelerator and stirred. Next, 2 parts by mass of cumene hydroperoxide and 500 parts by mass of No. 4 silica sand as an aggregate were added and stirred with a hand mixer to obtain a mortar resin concrete composition.
次いで、1液型ウレタンプライマーを塗布したセメントスレート板(30cm×30cm)に、得られたレジンコンクリート組成物を塗布厚が3mmとなるように金ゴテを用いて塗布した。次いで、レジンコンクリート組成物が塗布された板を、傾斜角=3/100に保ち、20±1℃に調整された恒温槽に静置して、(1)ゲル化時間、(2)タレ性、(3)表面硬化の時間、(4)作業性、および(5)仕上がりの外観について、以下のようにして評価した。結果を表3に示す。 Next, the obtained resin concrete composition was applied to a cement slate plate (30 cm × 30 cm) coated with a one-component urethane primer using a gold trowel so that the coating thickness was 3 mm. Next, the plate coated with the resin concrete composition is kept at a tilt angle of 3/100 and left in a constant temperature bath adjusted to 20 ± 1 ° C., and (1) gelation time and (2) sagging property. (3) Surface curing time, (4) workability, and (5) finished appearance were evaluated as follows. The results are shown in Table 3.
(1)ゲル化時間
得られたレジンコンクリート組成物のゲル化時間を、液状不飽和ポリエステル樹脂試験方法(JIS K6901 4.8常温ゲル化時間)に準じて測定した。測定結果を以下の基準で評価した。結果を表3に示す。
(1) Gelation time The gelation time of the obtained resin concrete composition was measured according to the liquid unsaturated polyester resin test method (JIS K6901 4.8 room temperature gelation time). The measurement results were evaluated according to the following criteria. The results are shown in Table 3.
(評価基準)
◎:ゲル化時間が30分以上の場合。
○:ゲル化時間が15分以上30分未満の場合。
×:ゲル化時間が15分未満の場合。
(Evaluation criteria)
A: When the gelation time is 30 minutes or more.
○: When the gelation time is 15 minutes or more and less than 30 minutes.
X: When gelation time is less than 15 minutes.
(2)タレ性
上記のレジンコンクリート組成物が塗布された板について、塗布したレジンコンクリート組成物の流動による偏りが生じているか否かを、目視で判断して以下の基準で評価した。
(2) Sagging property With respect to the plate coated with the above resin concrete composition, whether or not there is a bias due to the flow of the applied resin concrete composition was determined visually and evaluated according to the following criteria.
(評価基準)
○:レジンコンクリート組成物のタレが生じていなかった場合。
△:一部にレジンコンクリート組成物のタレが生じていた場合。
×:全体的に偏り、レジンコンクリート組成物のタレが生じていた場合。
(Evaluation criteria)
○: When the resin concrete composition does not sag.
Δ: Resin concrete composition sagging in part.
X: When biased as a whole and sagging of the resin concrete composition occurred.
(3)表面硬化の時間
上記のレジンコンクリート組成物が塗布された板に、白い布を指でこすりつけて、布にレジンコンクリート組成物が付着しなくなった時間を測定した。測定結果を以下の基準で評価した。結果を表3に示す。
(3) Surface curing time A white cloth was rubbed with a finger on the plate coated with the resin concrete composition, and the time when the resin concrete composition did not adhere to the cloth was measured. The measurement results were evaluated according to the following criteria. The results are shown in Table 3.
(評価基準)
○:表面硬化時間が40分以上90分未満の場合。
×:表面硬化時間が40分未満または90分以上の場合。
(Evaluation criteria)
○: When the surface hardening time is 40 minutes or more and less than 90 minutes.
X: When surface hardening time is less than 40 minutes or 90 minutes or more.
(4)作業性
上記セメントスレート板にレジンコンクリート組成物を塗布する際の可使時間およびコテ塗り性を合わせて評価した。すなわち、コテにより塗布面を短時間できれいな状態に仕上げられるか否かを判断し、以下の基準で評価した。
(4) Workability The pot life and the coatability when applying the resin concrete composition to the cement slate plate were evaluated. That is, whether or not the coated surface could be finished in a short time with a trowel was judged and evaluated according to the following criteria.
(評価基準)
○:コテむらがなく、容易に作業することができた場合。
×:コテむらが生じ、作業中にゲル化した場合。
(Evaluation criteria)
○: When there is no unevenness of the iron and it was possible to work easily.
X: When irregularities occur and gelation occurs during work.
(5)仕上がりの外観
上記セメントスレート板に塗布されたレジンコンクリート組成物の乾燥後の仕上がりの外観を目視で判断し、以下の基準で評価した。
(5) Finished appearance The finished appearance of the resin concrete composition applied to the cement slate plate after drying was visually judged and evaluated according to the following criteria.
(評価基準)
◎:骨材の沈み込みおよび未硬化部分がなく、平滑できれいな表面の場合。
○:未硬化部分がなく、平滑できれいな表面の場合。
△:コテむらを有するが、未硬化部分がない表面の場合。
×:コテむらおよび未硬化部分を有し、平滑でない表面の場合。
(Evaluation criteria)
A: When the surface is smooth and clean, with no aggregate subsidence and uncured parts.
○: When there is no uncured portion and the surface is smooth and clean.
Δ: Surface having irregularities but no uncured portion.
X: In the case of a non-smooth surface having irregularities and uncured portions.
(実施例2〜10)
表3に記載の成分を表3に記載の割合で用いて、実施例1と同様の手順でレジンコンクリート組成物をそれぞれ得た。次いで、それぞれ得られたレジンコンクリート組成物をセメントスレート板に塗布し、実施例1と同様の手順で上記(1)〜(5)の評価を行った。結果を表3に示す。
(Examples 2 to 10)
Resin concrete compositions were obtained in the same procedure as in Example 1 using the components shown in Table 3 in the proportions shown in Table 3. Subsequently, each obtained resin concrete composition was apply | coated to the cement slate board, and said (1)-(5) was evaluated in the procedure similar to Example 1. FIG. The results are shown in Table 3.
(比較例1〜7)
表4に記載の成分を表4に記載の割合で用いて、実施例1と同様の手順でレジンコンクリート組成物をそれぞれ得た。次いで、それぞれ得られたレジンコンクリート組成物をセメントスレート板に塗布し、実施例1と同様の手順で上記(1)〜(5)の評価を行った。結果を表4に示す。
(Comparative Examples 1-7)
Resin concrete compositions were obtained in the same procedure as in Example 1 using the components shown in Table 4 in the proportions shown in Table 4. Subsequently, each obtained resin concrete composition was apply | coated to the cement slate board, and said (1)-(5) was evaluated in the procedure similar to Example 1. FIG. The results are shown in Table 4.
表3に示すように、実施例1〜10の本発明のレジンコンクリート樹脂組成物を用いたレジンコンクリート組成物は、作業性に優れ、タレが防止され、そして仕上がりの外観がきれいであった。 As shown in Table 3, the resin concrete compositions using the resin concrete resin compositions of Examples 1 to 10 were excellent in workability, prevented from sagging, and had a finished appearance.
これに対して、表4に示すように、比較例1および5では、粉砕混合品、すなわちエチレン尿素を用いていないレジンコート樹脂組成物を用いたため、ゲル化時間が早く作業性が悪くなり、さらにタレを生じ、仕上がりの外観が悪かった。比較例2および6では、エチレン尿素と無機フィラーとの粉砕混合品に含まれるエチレン尿素の割合が本発明の範囲より多いレジンコート樹脂組成物を用いたため、タレを生じ、レジンコンクリートが硬化せず、仕上がりの外観が悪かった。比較例3では、エチレン尿素の代わりにメチルハイドロキノン(MQ)を用いたレジンコート樹脂組成物を用いたため、タレを生じ、硬化が不十分で、仕上がりの外観が悪かった。比較例4では、エチレン尿素の代わりにアエロジルを用いたレジンコート樹脂組成物を用いたため、作業性が悪く、仕上がりの外観が不十分であった。比較例7では、エチレン尿素の割合が本発明の範囲より多いレジンコート樹脂組成物を用いたため、レジンコンクリートが硬化せず、作業性および仕上がりの外観も悪かった。 On the other hand, as shown in Table 4, in Comparative Examples 1 and 5, since a crushed mixed product, that is, a resin coat resin composition not using ethylene urea, was used, the gelation time was quick and the workability deteriorated. Furthermore, sagging occurred, and the finished appearance was bad. In Comparative Examples 2 and 6, since the resin-coated resin composition in which the proportion of ethylene urea contained in the pulverized mixture of ethylene urea and inorganic filler was larger than the range of the present invention was used, sagging occurred and the resin concrete did not harden. The appearance of the finish was bad. In Comparative Example 3, since a resin coat resin composition using methylhydroquinone (MQ) instead of ethylene urea was used, sagging occurred, curing was insufficient, and the finished appearance was poor. In Comparative Example 4, since a resin coat resin composition using Aerosil instead of ethylene urea was used, workability was poor and the finished appearance was insufficient. In Comparative Example 7, since the resin-coated resin composition having a higher ethylene urea ratio than the range of the present invention was used, the resin concrete was not cured, and the workability and finished appearance were poor.
本発明によれば、硬化性を低下させることなく可使時間を確保することができ、さらにタレ防止性に優れたレジンコンクリート樹脂組成物を提供される。本発明のレジンコンクリート樹脂組成物は、建築物の塗り床材などに利用される。 ADVANTAGE OF THE INVENTION According to this invention, the pot life can be ensured without reducing sclerosis | hardenability, and also the resin concrete resin composition excellent in sagging prevention property is provided. The resin concrete resin composition of the present invention is used as a flooring material for buildings.
Claims (4)
該樹脂混合物(A)100質量部に対して、該エチレン尿素が0.1〜10質量部でなる、レジンコンクリート樹脂組成物。 A resin concrete resin composition comprising a resin mixture (A) comprising a radical curable resin and a reactive monomer and ethylene urea (B),
A resin concrete resin composition comprising 0.1 to 10 parts by mass of the ethylene urea with respect to 100 parts by mass of the resin mixture (A).
該樹脂混合物(A)100質量部に対して、該エチレン尿素が0.1〜10質量部、そして該無機フィラーが0.005〜500質量部でなる、レジンコンクリート樹脂組成物。 A resin concrete resin composition comprising a resin mixture (A) comprising a radical curable resin and a reactive monomer, ethylene urea (B), and an inorganic filler (C),
A resin concrete resin composition comprising 0.1 to 10 parts by mass of the ethylene urea and 0.005 to 500 parts by mass of the inorganic filler with respect to 100 parts by mass of the resin mixture (A).
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