JP2009114440A - 舗装用樹脂組成物、舗装用アスファルト組成物及びその製造方法 - Google Patents
舗装用樹脂組成物、舗装用アスファルト組成物及びその製造方法 Download PDFInfo
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- 239000011342 resin composition Substances 0.000 title claims abstract description 72
- 239000000203 mixture Substances 0.000 title claims description 41
- 239000010426 asphalt Substances 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000003208 petroleum Substances 0.000 claims abstract description 38
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 24
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 24
- 125000003118 aryl group Chemical group 0.000 claims abstract description 20
- 239000010734 process oil Substances 0.000 claims abstract description 20
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 238000002844 melting Methods 0.000 claims abstract description 10
- 230000008018 melting Effects 0.000 claims abstract description 10
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
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- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical group C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 claims description 10
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 claims description 10
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- UHKPXKGJFOKCGG-UHFFFAOYSA-N 2-methylprop-1-ene;styrene Chemical compound CC(C)=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 UHKPXKGJFOKCGG-UHFFFAOYSA-N 0.000 claims description 8
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- 238000000034 method Methods 0.000 description 7
- 238000003860 storage Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
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- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
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- UPZFLZYXYGBAPL-UHFFFAOYSA-N 2-ethyl-2-methyl-1,3-dioxolane Chemical compound CCC1(C)OCCO1 UPZFLZYXYGBAPL-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
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- 238000005299 abrasion Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
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- HECLRDQVFMWTQS-RGOKHQFPSA-N 1755-01-7 Chemical compound C1[C@H]2[C@@H]3CC=C[C@@H]3[C@@H]1C=C2 HECLRDQVFMWTQS-RGOKHQFPSA-N 0.000 description 1
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000012237 artificial material Substances 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 235000012216 bentonite Nutrition 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 description 1
- 239000008116 calcium stearate Substances 0.000 description 1
- 235000013539 calcium stearate Nutrition 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 235000019359 magnesium stearate Nutrition 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
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- 239000000057 synthetic resin Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
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- C09D131/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Coating compositions based on derivatives of such polymers
- C09D131/02—Homopolymers or copolymers of esters of monocarboxylic acids
- C09D131/04—Homopolymers or copolymers of vinyl acetate
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- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
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- C09D153/00—Coating compositions based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D153/02—Vinyl aromatic monomers and conjugated dienes
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Abstract
【解決手段】 酢酸ビニルの含有量が25〜45重量%であり、溶融温度が40〜100℃であってメルトフローレートが400g/10min以上のエチレン酢酸ビニル共重合体と、芳香族環由来の炭素の含有量(CA)が20〜40%の石油系プロセスオイルと、テレブロックポリマーとを少なくとも含むことを特徴とする舗装用樹脂組成物である。
【選択図】 なし
Description
混合時間は30〜60秒程度である。30秒未満では混合が不十分となる場合があり、一方、60秒を越えても効果に変わりがなく、却って作業性が低下する。この場合、骨材は予め160〜220℃に加熱してミキサーに投入することにより、舗装用樹脂組成物が短時間で溶融し、骨材を十分に濡らすことができる。160℃未満又は220℃を越えると、上記好ましい混合温度に調節することが困難となる。
更に、顔料を含有する該樹脂組成物においては、別途顔料をミキサーに投入する必要がないので、粉塵に起因する健康上や環境上の問題がなく、作業性の良好な舗装用樹脂組成物を提供することができる。
まず、本発明において重要な点は、特定のエチレン酢酸ビニル共重合体と石油系プロセスオイルとテレブロックコポリマーとからなる組成物であり、短時間で溶融し、かつ骨材への濡れ性及び接着性に優れ、さらに、夏期の路面の変形や冬期のひび割れ等の問題のない耐久性に優れた路面を与えることができる点である。また、長期貯蔵においても、相分離が起こらず組成の均一性が維持できる点である。
すなわち、軟化点、針入度、伸度および溶融性の各項目について、測定した。
割れない ; ○
割れる ; ×
マーシャル安定度試験は「舗装試験法便覧」に記載されている方法に依った。
骨材として6号砕石48%、荒砂23%、細砂23%および上記で得られた樹脂組成物6%からなる混合物を150〜160℃で混合し、130〜140℃で締め固めを行った。締め固め回数は両面それぞれ50回行った。
さらに、次式により残留安定度を算出した。
残留安定度(%)=[60℃・48時間水浸後の安定度/安定度]×100
エチレン−酢酸ビニル共重合体としてウルトラセン726(商品名;(株)東ソー製;酢酸ビニル含有量31重量%、メルトフローレイト700g/10min)210g、テレブロックポリマーとしてアサプレンT−411(商品名;旭化成工業(株)製:SBS,スチレン比率;30%,メルトフローレート;<1g/10min)100gおよび石油系プロセスオイルとしてリフレッシュスーパーE(商品名;昭和シェル石油(株)製)690gを攪拌機付きの反応容器を用いて混合し、樹脂組成物(A)を得た。
得られた樹脂組成物(A)は、軟化点58.5℃、針入度48、伸度68cmであった。
エチレン−酢酸ビニル共重合体の種類及び量、テレブロックポリマーの種類及び量、石油系プロセスオイルの種類及び量、芳香族系石油樹脂の種類及び量、さらには、ポリオレフィン系ワックスの種類及び量を種々変化させた以外は実施例1と同様にして樹脂組成物の調製を行った。
実施例1と同様にして種々の樹脂を混合した後、180℃で樹脂を溶融させた後、5℃程度まで冷却し、5mm×20mmのチップ状に切断した。
実施例3と同様にして種々の樹脂を混合した後、180℃で樹脂を溶融させた後、5℃程度まで冷却し、5mm×10mmのチップ状に切断した
骨材として6号砕石48%、荒砂23%、細砂23%及び上記で得られた各樹脂組成物6%からなる混合物を150〜160℃で混合し、130〜140℃で締め固めを行った。締め固め回数は両面それぞれ50回行った。
得られた混合物の特性を表4に示す。
6号砕石80.3%、粗骨材11.7%、石粉3.2%及び上記で得られた各樹脂組成物4.8%からなる混合物を150〜160℃で混合し、130〜140℃で締め固めを行なった。締め固め回数は両面それぞれ50回行なった。
得られた混合物の特性を表5に示す。
Claims (11)
- 酢酸ビニルの含有量が25〜45重量%であって溶融温度が40〜100℃であってメルトフローレートが400g/10min以上であるエチレン酢酸ビニル共重合体と、芳香族環由来の炭素の含有量(CA)が20〜40%である石油系プロセスオイルと、テレブロックポリマーとを少なくとも含むことを特徴とする舗装用樹脂組成物。
- エチレン酢酸ビニル共重合体の含有量が2〜30重量%、石油系プロセスオイルの含有量が20〜80重量%、テレブロックポリマーの含有量が2〜20重量%である請求項1記載の舗装用樹脂組成物。
- テレブロックポリマーが、スチレン−ブタジエン−スチレン(SBS)及び/又はスチレン−イソブチレン−スチレン(SIS)である請求項1記載の舗装用樹脂組成物。
- 軟化点が80〜110℃であって酸価が0.5mgKOH/g以下である芳香族系石油樹脂を20重量%未満添加した請求項1記載の舗装用樹脂組成物。
- 酸価が1.0〜70mgKOH/gであるポリオレフィン系ワックスを0〜10重量%添加した請求項1記載の舗装用樹脂組成物。
- ポリオレフィン系ワックスが、酸化ポリエチレンであることを特徴とする請求項5記載の舗装用樹脂組成物。
- 形状がペレット状である請求項1〜6のいずれかに記載の舗装用樹脂組成物。
- 請求項1乃至7のいずれかに記載の舗装用樹脂組成物3〜10重量%と骨材97〜90重量%とからなる舗装用アスファルト組成物。
- 舗装用樹脂組成物と骨材とを150〜200℃で混合してなることを特徴とする請求項8記載の舗装用アスファルト組成物。
- 請求項7記載のペレット状の舗装用樹脂組成物と骨材とを計量機を通さずに直接ミキサーに投入し、150〜200℃で混合することを特徴とする舗装用アスファルト組成物の製造方法。
- 骨材を予め160〜220℃に加熱することを特徴とする請求項10記載の舗装用アスファルト組成物の製造方法。
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KR101100416B1 (ko) | 2011-05-24 | 2011-12-30 | 금호석유화학 주식회사 | 박리방지 특성을 가지고 있는 중온 아스팔트 혼합물용 중온화 첨가제 및 그 제조방법 |
JP2016113507A (ja) * | 2014-12-12 | 2016-06-23 | 東洋インキScホールディングス株式会社 | ヒートシール性樹脂組成物 |
JP2017082055A (ja) * | 2015-10-26 | 2017-05-18 | 昭和瀝青工業株式会社 | 弾性舗装材用バインダー及び舗装材 |
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ATE539118T1 (de) | 2012-01-15 |
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JP5499456B2 (ja) | 2014-05-21 |
EP2202270B1 (en) | 2011-12-28 |
KR101570547B1 (ko) | 2015-11-19 |
EP2202270A4 (en) | 2010-10-06 |
ES2375519T3 (es) | 2012-03-01 |
US20130184389A1 (en) | 2013-07-18 |
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KR20100085036A (ko) | 2010-07-28 |
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