JP2009197115A - Damping material - Google Patents
Damping material Download PDFInfo
- Publication number
- JP2009197115A JP2009197115A JP2008039540A JP2008039540A JP2009197115A JP 2009197115 A JP2009197115 A JP 2009197115A JP 2008039540 A JP2008039540 A JP 2008039540A JP 2008039540 A JP2008039540 A JP 2008039540A JP 2009197115 A JP2009197115 A JP 2009197115A
- Authority
- JP
- Japan
- Prior art keywords
- damping material
- rubber
- polymer
- vibration damping
- weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013016 damping Methods 0.000 title claims abstract description 113
- 239000000463 material Substances 0.000 title claims abstract description 57
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 37
- 239000010439 graphite Substances 0.000 claims abstract description 36
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 36
- 229920005601 base polymer Polymers 0.000 claims abstract description 34
- 229920000642 polymer Polymers 0.000 claims abstract description 27
- 239000000945 filler Substances 0.000 claims abstract description 22
- 229920001971 elastomer Polymers 0.000 claims abstract description 19
- 239000005060 rubber Substances 0.000 claims abstract description 19
- 239000000956 alloy Substances 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 8
- 229920006270 hydrocarbon resin Polymers 0.000 claims description 14
- 239000003209 petroleum derivative Substances 0.000 claims description 11
- 239000004709 Chlorinated polyethylene Substances 0.000 claims description 7
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 claims description 6
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 6
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 6
- 229920000459 Nitrile rubber Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 5
- 244000043261 Hevea brasiliensis Species 0.000 claims description 4
- 239000005062 Polybutadiene Substances 0.000 claims description 4
- 229920005549 butyl rubber Polymers 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229920003052 natural elastomer Polymers 0.000 claims description 4
- 229920001194 natural rubber Polymers 0.000 claims description 4
- 229920006112 polar polymer Polymers 0.000 claims description 4
- 229920001084 poly(chloroprene) Polymers 0.000 claims description 4
- 229920002857 polybutadiene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- VETPHHXZEJAYOB-UHFFFAOYSA-N 1-n,4-n-dinaphthalen-2-ylbenzene-1,4-diamine Chemical compound C1=CC=CC2=CC(NC=3C=CC(NC=4C=C5C=CC=CC5=CC=4)=CC=3)=CC=C21 VETPHHXZEJAYOB-UHFFFAOYSA-N 0.000 claims description 3
- HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 claims description 3
- UJAWGGOCYUPCPS-UHFFFAOYSA-N 4-(2-phenylpropan-2-yl)-n-[4-(2-phenylpropan-2-yl)phenyl]aniline Chemical compound C=1C=C(NC=2C=CC(=CC=2)C(C)(C)C=2C=CC=CC=2)C=CC=1C(C)(C)C1=CC=CC=C1 UJAWGGOCYUPCPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000013032 Hydrocarbon resin Substances 0.000 claims description 3
- 125000002723 alicyclic group Chemical group 0.000 claims description 3
- 230000009477 glass transition Effects 0.000 claims description 3
- KEZPMZSDLBJCHH-UHFFFAOYSA-N n-(4-anilinophenyl)-4-methylbenzenesulfonamide Chemical compound C1=CC(C)=CC=C1S(=O)(=O)NC(C=C1)=CC=C1NC1=CC=CC=C1 KEZPMZSDLBJCHH-UHFFFAOYSA-N 0.000 claims description 3
- 229930195734 saturated hydrocarbon Natural products 0.000 claims description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 2
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 150000003505 terpenes Chemical class 0.000 claims description 2
- 235000007586 terpenes Nutrition 0.000 claims description 2
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 claims description 2
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 claims 2
- 238000010521 absorption reaction Methods 0.000 abstract description 13
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 239000002245 particle Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000013329 compounding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 3
- -1 permanganate Chemical compound 0.000 description 3
- 239000011342 resin composition Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 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
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001339 alkali metal compounds Chemical class 0.000 description 2
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 239000005340 laminated glass Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
- LZHCVNIARUXHAL-UHFFFAOYSA-N 2-tert-butyl-4-ethylphenol Chemical compound CCC1=CC=C(O)C(C(C)(C)C)=C1 LZHCVNIARUXHAL-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010306 acid treatment Methods 0.000 description 1
- 229920001893 acrylonitrile styrene Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Inorganic materials [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- 235000011835 quiches Nutrition 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- QYHFIVBSNOWOCQ-UHFFFAOYSA-N selenic acid Chemical compound O[Se](O)(=O)=O QYHFIVBSNOWOCQ-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Landscapes
- Vibration Prevention Devices (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
本発明は、優れた制振性を有する制振材料に関し、特には複合化することなく、単独で優れた制振性を有し、かつ電磁波吸収性及び放熱性といった性質を併せ持つ制振材料に関する。 The present invention relates to a vibration damping material having excellent vibration damping properties, and in particular, to a vibration damping material having excellent vibration damping properties independently without combining and having properties such as electromagnetic wave absorption and heat dissipation. .
従来、制振材料としては、例えばポリ塩化ビニル系樹脂１００重量部に対して雲母を１００重量部以上添加したポリ塩化ビニル系樹脂組成物が提案されている（特許文献１参照）。また、別の制振材料としては、熱可塑性樹脂（Ａ）４０〜９７重量％、平均粒子径１００〜１０００μｍの鱗片状黒鉛 （Ｂ）３〜６０重量％、繊維状強化材（Ｃ）０〜５７重量％からなる樹脂組成物で、かつ（Ｂ）＋（Ｃ）が６０重量％以下である制振性熱可塑性樹脂組成物が提案されている（特許文献２参照）。 Conventionally, as a damping material, for example, a polyvinyl chloride resin composition in which 100 parts by weight or more of mica is added to 100 parts by weight of a polyvinyl chloride resin has been proposed (see Patent Document 1). Further, as another vibration damping material, thermoplastic resin (A) 40 to 97% by weight, scaly graphite (B) 3 to 60% by weight with an average particle diameter of 100 to 1000 μm, fibrous reinforcing material (C) 0 to A vibration-damping thermoplastic resin composition having a resin composition of 57% by weight and (B) + (C) of 60% by weight or less has been proposed (see Patent Document 2).
これらの制振材料にあっては、制振性フィラーとなる鱗片状フィラーが有する局所的な層間すべりとポリマーに密着したフィラー間に存在するポリマーが持つ応力緩和機構が働くことによって振動減衰能が生ずるようになっていた。 In these vibration damping materials, the vibration damping capacity is reduced by the action of the stress relaxation mechanism of the polymer existing between the local slip of the scaly filler as the vibration damping filler and the filler in close contact with the polymer. It was supposed to happen.
ところが、これら従来の制振材料において、上述の制振性フィラーの添加による制振メカニズムによって得られる制振性では十分ではなく、さらなる減衰性の向上が求められていた。 However, in these conventional damping materials, the damping property obtained by the damping mechanism by adding the damping filler described above is not sufficient, and further improvement in damping property has been demanded.
そこで、このような要求に答えるべく、ベースポリマーに、制振性フィラーと共に第２級アミン、第３級アミン、含窒素複素環から選ばれた塩基を含む塩基性物質を配合することで、該ベースポリマーの高減衰化を図った制振材料が提案されている（特許文献３参照）。 Therefore, in order to meet such a demand, the base polymer is blended with a basic substance containing a base selected from a secondary amine, a tertiary amine, and a nitrogen-containing heterocyclic ring together with a vibration-damping filler, A vibration damping material has been proposed in which the base polymer is highly damped (see Patent Document 3).
本発明者は、ベースポリマーの高減衰化を図る上で制振性フィラーに着目し、該制振性フィラーのみの添加によっても、優れた制振性を得ることができる制振材料を提案すべく、鋭意研究の結果、本発明を完成するに至ったのである。 The present inventor pays attention to a vibration-damping filler in order to increase the damping of the base polymer, and proposes a vibration-damping material that can obtain excellent vibration-damping performance by adding only the vibration-damping filler. Therefore, as a result of earnest research, the present invention has been completed.
すなわち本発明は、制振性フィラーのみの添加によっても、該ベースポリマーの高減衰化を図ることができ、優れた制振性を有する制振材料を提案することを目的とするものである。 That is, an object of the present invention is to propose a damping material having excellent damping properties, which can increase the damping of the base polymer even by adding only a damping filler.
本発明の別の目的は、優れた制振性を有し、かつ電磁波吸収性及び放熱性といった性質を併せ持つ制振材料を提案することである。 Another object of the present invention is to propose a vibration damping material having excellent vibration damping properties and properties such as electromagnetic wave absorption and heat dissipation.
上記目的を達成するため、本発明は、ベースポリマー中に膨張性黒鉛からなる制振性フィラーが配合されたことを特徴とする制振材料をその要旨とした。 In order to achieve the above object, the gist of the present invention is a vibration damping material characterized in that a vibration damping filler made of expandable graphite is blended in a base polymer.
本発明の制振材料に使用するベースポリマーとしては、ゴム系ポリマーまたはゴム系ポリマーを含むポリマーアロイのいずれかによって構成されていることが望ましい。これらのベースポリマーは、膨張性黒鉛との親和性に優れ、該ベースポリマーにおける膨張性黒鉛の均一分散を効果的に促進し、均質、かつ高性能な制振性を導き出す。 The base polymer used in the vibration damping material of the present invention is preferably composed of either a rubber-based polymer or a polymer alloy containing a rubber-based polymer. These base polymers have excellent affinity with expandable graphite, effectively promote uniform dispersion of expandable graphite in the base polymer, and lead to homogeneous and high-performance vibration damping.
ゴム系ポリマーとしては、ポリブタジエン（ＰＢ）、ニトリルゴム（ＮＢＲ）、天然ゴム（ＮＲ）、ブチルゴム（ＩＩＲ）、スチレンブタジエンゴム（ＳＢＲ）、クロロプレンゴム（ＣＲ）、フッ素系ゴム、及びシリコンゴムから選ばれる１種若しくは２種以上、若しくはこれらの共重合体を挙げることができる。 The rubber polymer is selected from polybutadiene (PB), nitrile rubber (NBR), natural rubber (NR), butyl rubber (IIR), styrene butadiene rubber (SBR), chloroprene rubber (CR), fluorine rubber, and silicon rubber. 1 type, 2 or more types, or these copolymers may be mentioned.
また、上記ゴム系ポリマーを含むポリマーアロイとしては、例えばポリ塩化ビニル（ＰＶＣ）、ポリスチレン（ＰＳ）、アクリロニトリルブタジエンスチレン共重合体（ＡＢＳ）、アクリロニトリルスチレン共重合体（ＡＳ）、ポリメタクリル酸メチル（ＰＭＭＡ）、塩素化ポリエチレン（ＣＰＥ）、及びエチレン酢酸ビニル共重合体（ＥＶＡ）から選ばれる１種若しくは２種以上を上記ゴム系ポリマーにブレンドしたものを挙げることができる。 Examples of the polymer alloy containing the rubber polymer include polyvinyl chloride (PVC), polystyrene (PS), acrylonitrile butadiene styrene copolymer (ABS), acrylonitrile styrene copolymer (AS), polymethyl methacrylate ( PMMA), chlorinated polyethylene (CPE), and ethylene vinyl acetate copolymer (EVA) are blended with the above rubber-based polymer.
また、本発明の制振材料に使用するベースポリマーは、ゴム系ポリマーまたはゴム系ポリマーを含むポリマーアロイの他に、０〜２５℃の温度領域にガラス転移温度を有する極性ポリマーにより構成された形態を採ることもできる。 Further, the base polymer used in the vibration damping material of the present invention is a rubber polymer or a polymer alloy containing a rubber polymer, and a form constituted by a polar polymer having a glass transition temperature in a temperature range of 0 to 25 ° C. Can also be taken.
０〜２５℃の温度領域にガラス転移温度を有する極性ポリマーとしては、ポリ塩化ビニル（ＰＣＶ）、塩素化ポリエチレン（ＣＰＥ）、エチレン酢酸ビニル共重合体（ＥＶＡ）、及びこれらのポリマーアロイなどを挙げることができる。 Examples of polar polymers having a glass transition temperature in the temperature range of 0 to 25 ° C. include polyvinyl chloride (PCV), chlorinated polyethylene (CPE), ethylene vinyl acetate copolymer (EVA), and polymer alloys thereof. be able to.
尚、上記ベースポリマーの選択に際しては、後述する膨張性黒鉛やｐ−（ｐ−トルエンスルホニルアミド）ジフェニルアミン等との相溶性のほか、当該制振材料の適用される材料（用途）や使用形態に応じて、取り扱い性、成形性、入手容易性、温度性能（耐熱性や耐寒性）、耐候性、価格なども考慮するのが望ましい。 In selecting the base polymer, in addition to compatibility with expandable graphite and p- (p-toluenesulfonylamide) diphenylamine, which will be described later, the material (use) and usage form of the damping material are used. Accordingly, it is desirable to consider handleability, moldability, availability, temperature performance (heat resistance and cold resistance), weather resistance, price, and the like.
上記ベースポリマー中に制振性フィラーとして配合される膨張性黒鉛とは、天然鱗状黒鉛、熱分解黒鉛、キッシュ黒鉛等の粉末を、濃硫酸、硝酸、セレン酸等の無機酸と、濃硝酸、過塩素酸、過塩素酸塩、過マンガン酸塩、重クロム酸塩、過酸化水素等の酸化剤とで処理することで、黒鉛の層間に前記酸をインターカーレーションし、膨張させた黒鉛層間化合物であり、炭素の層状構造を維持したままの結晶化合物である。 The expansive graphite blended as a vibration-damping filler in the base polymer is a powder such as natural scaly graphite, pyrolytic graphite, quiche graphite, inorganic acid such as concentrated sulfuric acid, nitric acid, selenic acid, concentrated nitric acid, Intercalated and expanded between the graphite layers by treating with perchloric acid, perchlorate, permanganate, dichromate, hydrogen peroxide, and other oxidizing agents. It is a compound and is a crystalline compound that maintains the layered structure of carbon.
上記のように酸処理して得られた膨張性黒鉛をそのまま制振性フィラーとして用いることもできるが、更にアンモニア、脂肪族低級アミン、アルカリ金属化合物、アルカリ土類金属化合物等での中和、洗浄工程を施すことで、ｐＨ値の中性及び粒子表面のクリーンさを確保したものを使用するのが好ましい。 The expandable graphite obtained by acid treatment as described above can also be used as a damping filler as it is, but further neutralized with ammonia, aliphatic lower amine, alkali metal compound, alkaline earth metal compound, etc., It is preferable to use a product that ensures the neutrality of the pH value and the cleanness of the particle surface by applying a washing step.
上記脂肪族低級アミンとしては、例えばモノメチルアミン、ジメチルアミン、トリメチルアミン、エチルアミン、プロピルアミン、ブチルアミン等が挙げられる。上記アルカリ金属化合物及びアルカリ土類金属化合物としては、例えば、カリウム、ナトリウム、カルシウム、バリウム、マグネシウム等の水酸化物、酸化物、炭酸塩、硫酸塩、有機酸塩等が挙げられる。 Examples of the aliphatic lower amine include monomethylamine, dimethylamine, trimethylamine, ethylamine, propylamine, and butylamine. Examples of the alkali metal compound and alkaline earth metal compound include hydroxides such as potassium, sodium, calcium, barium, and magnesium, oxides, carbonates, sulfates, and organic acid salts.
制振性フィラーとして配合される膨張性黒鉛は、局所的な層間すべりとポリマーに密着したフィラー間に存在するポリマーが持つ応力緩和機構とが働き、優れた制振性を発揮する。また膨張性黒鉛は、圧縮成形時に層化しにくく、前述したゴム系ポリマーやゴム系ポリマーを含むポリマーアロイからなるベースポリマーとの親和性に優れ、該ベースポリマーにおける分散性に優れており、均質な制振性及びゴム弾性を発揮することができる。また膨張性黒鉛は、熱伝導性が高く、放熱性に優れるという利点もある。 Expandable graphite blended as a vibration damping filler exerts excellent vibration damping properties due to local interlaminar slip and a stress relaxation mechanism of a polymer existing between fillers in close contact with the polymer. In addition, expandable graphite is difficult to layer during compression molding, has excellent affinity with a base polymer composed of the above-mentioned rubber-based polymers and polymer alloys containing rubber-based polymers, has excellent dispersibility in the base polymer, and is homogeneous. Vibration damping and rubber elasticity can be exhibited. Expandable graphite also has the advantages of high thermal conductivity and excellent heat dissipation.
さらに膨張性黒鉛は、電磁波吸収性に優れていることから、該膨張性黒鉛をベースポリマーに配合した制振材料は、例えば携帯電話のケーシングなど、上述の制振性や放熱性と合わせて幅広い用途への使用が可能となる。 Furthermore, since expansive graphite is excellent in electromagnetic wave absorption, the vibration damping material in which expansive graphite is blended with a base polymer can be used in a wide range in combination with the above-mentioned vibration damping and heat dissipation, such as a casing of a mobile phone. It can be used for any purpose.
このような作用効果を奏する膨張性黒鉛としては、（フィラーの長径／フィラーの厚さ）で規定されるアスペクト比が５〜３５であり、粒子径が３〜３０μｍのものが好ましく、より好ましくはアスペクト比が５〜２０であり、粒子径が１０〜２０μｍであり、最適にはアスペクト比が７〜１０であり、粒子径が１２〜１８μｍである。アスペクト比が５〜３５であり、粒子径が３〜３０μｍの数値範囲内の膨張性黒鉛を用いた場合、該膨張性黒鉛はベースポリマーにおいて優れた制振性、放熱性及び電磁波吸収性を発揮することになり、上記範囲外の場合には、十分制振性、放熱性及び電磁波吸収性を得られないばかりか、粘度が高くなり、加工性が悪くなる。また、膨張性黒鉛のＢＥＴ比表面積としては、２７〜３０ｍ２／ｇの範囲が好ましい。上記範囲外の場合には、十分制振性、放熱性及び電磁波吸収性を得られない恐れがある。 The expansive graphite having such an effect is preferably one having an aspect ratio of 5 to 35 and a particle diameter of 3 to 30 μm, more preferably, (major diameter of filler / thickness of filler). The aspect ratio is 5 to 20, the particle diameter is 10 to 20 μm, optimally the aspect ratio is 7 to 10 and the particle diameter is 12 to 18 μm. When expansive graphite having an aspect ratio of 5 to 35 and a particle diameter of 3 to 30 μm is used, the expansive graphite exhibits excellent vibration damping, heat dissipation and electromagnetic wave absorption in the base polymer. Therefore, if it is out of the above range, sufficient vibration damping properties, heat dissipation properties and electromagnetic wave absorption properties cannot be obtained, and the viscosity becomes high and the workability deteriorates. Moreover, as a BET specific surface area of expansive graphite, the range of 27-30 m < 2 > / g is preferable. If it is out of the above range, there is a risk that sufficient vibration damping, heat dissipation and electromagnetic wave absorption cannot be obtained.
本発明の制振材料において制振性フィラーとして配合される膨張性黒鉛は、ベースポリマー１００重量部に対して５０〜２５０重量部の割合で配合されていることが好ましく、より好ましくは１００〜２００重量部である。膨張性黒鉛の配合量が５０重量部を下回る場合、上述の制振性、放熱性、電磁波吸収性といった十分な性能が得られず、膨張性黒鉛の配合量が２５０重量部を上回る場合には、上回った分だけの性能向上が期待できないばかりか、粘度が高くなり、加工性が悪くなる。 The expansive graphite blended as a vibration damping filler in the vibration damping material of the present invention is preferably blended in a proportion of 50 to 250 parts by weight, more preferably 100 to 200, based on 100 parts by weight of the base polymer. Parts by weight. When the compounding amount of expansive graphite is less than 50 parts by weight, sufficient performance such as the above-described vibration damping, heat dissipation, and electromagnetic wave absorption properties cannot be obtained, and when the compounding amount of expansive graphite exceeds 250 parts by weight. In addition to not being able to expect the performance improvement by the amount exceeding the above, the viscosity becomes high and the workability deteriorates.
本発明の制振材料は、膨張性黒鉛の他にさらに石油系炭化水素樹脂を含む形態を採ることができる。石油系炭化水素樹脂としては、ロジン系樹脂、テルペン系樹脂および脂環族飽和炭化水素樹脂のいずれかを用いることができるが、特に脂環族飽和炭化水素樹脂は、相溶性の面で好ましく、これを添加することにより、該制振材料の流動性、柔軟性、制振性が良好になる。尚、その配合量は、ベースポリマー１００重量部に対し１０〜１００重量部が好ましく、より好ましくは２０〜７０重量部である。石油系炭化水素樹脂の配合量が１０重量部を下回ると、十分な流動性、柔軟性、制振性を得ることができず、１００重量部を超えると、材料の粘着性が高くなり、加工性が低下するからである。 The vibration damping material of the present invention can take a form containing petroleum hydrocarbon resin in addition to expandable graphite. As the petroleum hydrocarbon resin, any of a rosin resin, a terpene resin and an alicyclic saturated hydrocarbon resin can be used, but an alicyclic saturated hydrocarbon resin is particularly preferable in terms of compatibility, By adding this, the fluidity, flexibility, and damping properties of the damping material are improved. In addition, as for the compounding quantity, 10-100 weight part is preferable with respect to 100 weight part of base polymers, More preferably, it is 20-70 weight part. When the blending amount of the petroleum hydrocarbon resin is less than 10 parts by weight, sufficient fluidity, flexibility, and vibration damping properties cannot be obtained. This is because the sex is lowered.
本発明の制振材料は、膨張性黒鉛の他に、さらにｐ−（ｐ−トルエンスルホニルアミド）ジフェニルアミン、４，４’−ビス（α，α−ジメチルベンジル）ジフェニルアミン、オクチル化ジフェニルアミン、２，２’−メチレンビス（４−エチル−６−ｔｅｒｔ−ブチルフェノール）、４，４’−チオビス（３−メチル−６−ｔｅｒｔ−ブチルフェノール）、及びＮ，Ｎ’−ジ−２−ナフチル−ｐ−フェニレンジアミンから選択された１種若しくは２種以上の化合物（以下、減衰性促進剤という）を含む形態を採ることができる。 The vibration damping material of the present invention includes, in addition to expansive graphite, p- (p-toluenesulfonylamido) diphenylamine, 4,4′-bis (α, α-dimethylbenzyl) diphenylamine, octylated diphenylamine, 2,2 From '-methylenebis (4-ethyl-6-tert-butylphenol), 4,4'-thiobis (3-methyl-6-tert-butylphenol), and N, N'-di-2-naphthyl-p-phenylenediamine A form containing one or two or more selected compounds (hereinafter referred to as attenuation promoters) can be employed.
減衰性促進剤は、上記ベースポリマー中に分散相を形成し、当該制振材料に加わった振動や電磁波といったエネルギーを効果的に減衰する働きを持つ。この分散相は、減衰性促進剤がミクロ相分離した分散相として、或いは完全相溶した分散相としてベースポリマー中に存在している。またこの分散相は、上記マトリックス相中に平均１ミクロン以下、より好ましくは平均０．１ミクロン以下の大きさで存在していることが、上記エネルギー減衰効果をより効果的に発揮させる上で望ましい。 The damping accelerator forms a dispersed phase in the base polymer and functions to effectively attenuate energy such as vibrations and electromagnetic waves applied to the damping material. This dispersed phase is present in the base polymer as a dispersed phase in which the damping accelerator is microphase-separated or as a completely compatible dispersed phase. The dispersed phase is preferably present in the matrix phase in an average size of 1 micron or less, and more preferably in an average size of 0.1 micron or less, in order to exhibit the energy attenuation effect more effectively. .
この分散相を構成する減衰性促進剤は、ベースポリマー１００重量部に対し１〜４０重量部の割合で含まれていることが好ましく、より好ましくは１０〜３００重量部である。
減衰性促進剤の含有量が１重量部を下回る場合、十分なエネルギー減衰性を得ることができず、また、減衰性促進剤の含有量が４０重量部を上回る場合には、範囲を超える分だけの減衰性が得られず不経済となるからである。
The attenuating accelerator constituting the dispersed phase is preferably contained in an amount of 1 to 40 parts by weight, more preferably 10 to 300 parts by weight, based on 100 parts by weight of the base polymer.
When the content of the damping accelerator is less than 1 part by weight, sufficient energy damping cannot be obtained, and when the content of the damping accelerator exceeds 40 parts by weight, the amount exceeding the range. It is because it becomes uneconomical because it is not possible to obtain only a damping property.
本発明の制振材料では、上記成分のほかに、一般に使用される充填剤、難燃剤、着色剤、耐光剤、抗菌剤、帯電防止剤等も、本発明の趣旨に反しない限り、添加することができる。 In the vibration damping material of the present invention, in addition to the above components, generally used fillers, flame retardants, colorants, light-proofing agents, antibacterial agents, antistatic agents, etc. are added unless they are contrary to the spirit of the present invention. be able to.
本発明の制振材料は、シート状やフィルム状などの形態とする場合には、上記ベースポリマーに膨張性黒鉛を所定割合で配合し、これを単軸押出し機や二軸押出し機等の連続式混練機およびニーダーやバンバリーミキサー等のバッチ式混練機などを用いて混練し、さらにカレンダー法や押し出し法などにより、用途、目的に応じた形状に成形する。 When the vibration damping material of the present invention is in the form of a sheet or film, expandable graphite is blended with the base polymer at a predetermined ratio, and this is continuously added to a single screw extruder, a twin screw extruder or the like. Kneading is performed using a batch kneader such as a kneader or a kneader or a Banbury mixer, and further shaped into a shape according to the purpose and purpose by a calendar method or an extrusion method.
本発明の制振材料をシート状やフィルム状などの形態とする場合、当該材料は発泡構造を採ることもできる。発泡レベルとしては特に限定されないが、制振性を求める用途には連続気泡構造とするのが望ましく、防振性や衝撃吸収性を求める用途には独立気泡構造とするのが望ましい。 When the vibration damping material of the present invention is in the form of a sheet or film, the material can also take a foamed structure. The foaming level is not particularly limited, but it is desirable to have an open cell structure for applications requiring vibration damping properties, and a closed cell structure is desirable for applications requiring vibration isolation and shock absorption.
また、本発明の制振材料をシート状やフィルム状などの形態とした場合、その両面又は一方面に拘束層を設けることもできる。拘束層を設けることにより、当該制振材料に振動が加わったとき、その振動によって当該材料と拘束層との間にズレが生じ、そのズレによって振動のエネルギーの損失が生じ、振動が減衰することになる。このために、当該制振材料よりも剛性の高い材質によって拘束層を構成し、当該拘束層によって制振材料を拘束するのが望ましい。拘束層の具体例としては、金属、ポリマー、ゴム、ガラス、及び不織布から選ばれる１種若しくは２種以上を素材とするシート、フィルム、網、板或いはこれらの複合体を挙げることができる。 Further, when the vibration damping material of the present invention is in the form of a sheet or film, a constraining layer can be provided on both sides or one side. By providing a constraining layer, when vibration is applied to the vibration damping material, a displacement occurs between the material and the constraining layer due to the vibration, and this displacement causes a loss of vibration energy, which attenuates the vibration. become. For this reason, it is desirable that the constraining layer is made of a material having higher rigidity than the vibration damping material, and the vibration damping material is constrained by the constraining layer. Specific examples of the constraining layer include a sheet, a film, a net, a plate, or a composite thereof made of one or more materials selected from metal, polymer, rubber, glass, and nonwoven fabric.
本発明の制振材料は、実に広範な用途に適用することができる。具体的な用途としては、例えば制振シート、制振フィルム、制振紙、制振塗料、制振性粉体塗料、制振ワニス、制振性接着剤、拘束型制振材、制振鋼板などの制振材料、電磁波吸収シールドなどに使用される電磁波吸収材料、防振ゴムや防振ゲルなどに使用される防振材料などを挙げることができる。 The vibration damping material of the present invention can be applied to a wide range of uses. Specific applications include, for example, damping sheets, damping films, damping paper, damping paints, damping powder coatings, damping varnishes, damping adhesives, constrained damping materials, damping steel plates Examples thereof include an anti-vibration material such as an electromagnetic wave absorption material used for an electromagnetic wave absorption shield, an anti-vibration material used for an anti-vibration rubber, an anti-vibration gel, and the like.
また本発明の制振材料は、複合化することなく、単独で制振性や電磁波吸収性といった性質を併せ持つため、複数の性能が同時に要求される用途にも使用することができる。例えば自動車や住居の窓に使用される合わせガラスの場合、制振性や電磁波吸収性といった複数の性能が同時に要求される。本発明の制振材料は、単独で優れた制振性及び電磁波吸収性を有し、かつ透明性を確保できるため、合わせガラスの中間層として最適である。 Moreover, since the vibration damping material of the present invention has properties such as vibration damping and electromagnetic wave absorption alone without being compounded, it can be used for applications requiring a plurality of performances simultaneously. For example, in the case of laminated glass used for automobiles and residential windows, a plurality of performances such as vibration control and electromagnetic wave absorption are required at the same time. The vibration damping material of the present invention is excellent as an intermediate layer of laminated glass because it has excellent vibration damping properties and electromagnetic wave absorbability alone and can ensure transparency.
また本発明の制振材料の別の用途としては、高速道路など道路脇に設置される防音パネルが挙げられる。高速道路など道路脇に設置される防音パネルは、道路周辺に道路からの騒音をシャットアウトすることを主な目的として設置される。近年、高速道路には、料金所ゲートに設置したアンテナと、車両に装着した車載器との間で無線通信を用いて自動的に料金の支払いを行い、料金所をノンストップで通行することができるＥＴＣシステムが採用されている。ところが、このＥＴＣのアンテナから送信される電波は道路周辺に広がり、例えば道路周辺の住宅の電気機器に誤作動を引き起こさせたり、高速道路に繋がる道路を通行中の車両の車載器にＥＴＣシステムからの電波が送信され、誤って料金が加算されるなどの不具合が報告されている。本発明の制振材料を用いた防音パネルを道路脇に設置したならば、防音パネル本来の効果に加え、電磁波吸収もなされるため、上述の不具合も見事に解消されることになる。 Another application of the vibration damping material of the present invention is a soundproof panel installed on the side of a road such as an expressway. Soundproof panels installed on the side of roads such as expressways are installed mainly for the purpose of shutting out noise from roads around roads. In recent years, on highways, tolls can be paid automatically using wireless communication between the antenna installed at the toll gate and the on-board device attached to the vehicle, and the toll gate can pass non-stop. The ETC system that can be used is adopted. However, the radio waves transmitted from the ETC antenna spread around the road, for example, cause malfunctions in the electrical equipment of houses around the road, or from the ETC system to the vehicle-mounted device on the road that is connected to the expressway. Has been reported such as a radio wave is transmitted and charges are added by mistake. If the soundproof panel using the vibration damping material of the present invention is installed on the side of the road, in addition to the original effect of the soundproof panel, the electromagnetic wave is also absorbed, so the above-mentioned problems can be solved brilliantly.
実施例１
ベースポリマーとしてＮＢＲ（極高ニトリルタイプ）１００重量部に、膨張性黒鉛（カルファイト ＣＳ−３０、株式会社丸富製作所製）１００重量部、石油系炭化水素樹脂（アルコンＰー１２５、荒川化学株式会社製）９０重量部、減衰性促進剤（ノクラックＴＤ、大内化学株式会社製）１０重量部の割合で配合し、これを８０℃に設定した混練ロールに投入して混練し、さらにカレンダー法により厚さ１ｍｍのシート状に成形した。得られたシートを所定の大きさに裁断し、損失係数（η）測定用の試験片とした。
Example 1
100 parts by weight of NBR (ultra-high nitrile type) as a base polymer, 100 parts by weight of expandable graphite (Calphite CS-30, manufactured by Marutomi Manufacturing Co., Ltd.), petroleum hydrocarbon resin (Alcon P-125, Arakawa Chemical Co., Ltd.) 90 parts by weight) and 10 parts by weight of a damping accelerator (NOCRACK TD, manufactured by Ouchi Chemical Co., Ltd.). The mixture is put into a kneading roll set at 80 ° C. and kneaded. The sheet was formed into a sheet having a thickness of 1 mm. The obtained sheet was cut into a predetermined size to obtain a test piece for measuring the loss factor (η).
実施例２
膨張性黒鉛量を１５０重量部とした以外は、実施例１と同様にして試験片を作製した。
Example 2
A test piece was prepared in the same manner as in Example 1 except that the amount of expandable graphite was 150 parts by weight.
実施例３
膨張性黒鉛量を２００重量部とした以外は、実施例１と同様にして試験片を作製した。
Example 3
A test piece was prepared in the same manner as in Example 1 except that the amount of expandable graphite was 200 parts by weight.
実施例４
減衰性促進剤量を２０重量部とした以外は、実施例３と同様にして試験片を作製した。
Example 4
A test piece was prepared in the same manner as in Example 3 except that the amount of the damping accelerator was 20 parts by weight.
実施例５
石油系炭化水素樹脂量を１００重量部とした以外は、実施例３と同様にして試験片を作製した。
Example 5
A test piece was prepared in the same manner as in Example 3 except that the amount of the petroleum hydrocarbon resin was 100 parts by weight.
実施例６
石油系炭化水素樹脂量を１００重量部とした以外は、実施例２と同様にして試験片を作製した。
Example 6
A test piece was prepared in the same manner as in Example 2 except that the amount of the petroleum hydrocarbon resin was 100 parts by weight.
比較例１（市販品）
ベースポリマーとしてＣＰＥ１００重量部に、インターカーレーション処理していない黒鉛１００重量部、石油系炭化水素樹脂を９０重量部、減衰性促進剤としてＮ、Ｎ−ジシクロヘキシルベンゾチアジル−２−スルフェンアミドを１０重量部の割合で配合した以外は、実施例１と同様にして試験片を作製した。
Comparative Example 1 (commercial product)
100 parts by weight of CPE as a base polymer, 100 parts by weight of graphite not intercalated, 90 parts by weight of a petroleum hydrocarbon resin, and N, N-dicyclohexylbenzothiazyl-2-sulfenamide as a damping accelerator A test piece was prepared in the same manner as in Example 1 except that it was blended at a ratio of 10 parts by weight.
上記実施例１〜６並びに比較例１に係る各シートにつき、ＪＩＳ Ｇ ０６０２に準拠して中央加振法により、周波数８００Ｈｚにおける損失係数（η）を測定し、図１に示した。 With respect to each of the sheets according to Examples 1 to 6 and Comparative Example 1, the loss coefficient (η) at a frequency of 800 Hz was measured by the central excitation method in accordance with JIS G 0602 and shown in FIG.
図１から、比較例１の周波数８００Ｈｚにおける損失係数（η）のピークが約０．１５程度であるのに対し、実施例１〜６のものは、いずれも損失係数（η）のピークが約０．２３を上回り、制振性に優れていることが確認された。特に実施例２、３及び５のものは、いずれも損失係数（η）のピークが約０．３３を上回っており、高い制振性を有していることが確認された。 From FIG. 1, the peak of the loss factor (η) at a frequency of 800 Hz in Comparative Example 1 is about 0.15, whereas all of Examples 1 to 6 have a peak of loss factor (η) of about 0.15. It exceeded 0.23 and was confirmed to be excellent in vibration damping. In particular, in Examples 2, 3 and 5, the loss factor (η) peak was higher than about 0.33, and it was confirmed that the samples had high vibration damping properties.
また、実施例１〜３を見たとき、膨張性黒鉛の配合量の増加に伴って損失係数（η）が向上することが確認された。特に実施例１と２とでは、損失係数（η）が０．２４９０と０．３３９０であり、大幅に性能アップがなされているが、実施例２と３とを対比した場合、それらのピーク値は０．３３９０と０．３６００となっており、大きな差がないことが解る。このことから、ベースポリマー１００重量部に対して膨張性黒鉛を２００重量部を配合した実施例３のものが、膨張性黒鉛の配合量による損失係数（η）の増加の上限付近ではないかと考えられる。 Moreover, when Examples 1-3 were seen, it was confirmed that a loss coefficient ((eta)) improves with the increase in the compounding quantity of expansive graphite. In particular, in Examples 1 and 2, the loss factor (η) is 0.2490 and 0.3390, and the performance is greatly improved, but when Examples 2 and 3 are compared, their peak values are Is 0.3390 and 0.3600, and it can be seen that there is no significant difference. From this, it is considered that Example 3 in which 200 parts by weight of expansive graphite is blended with 100 parts by weight of the base polymer is near the upper limit of the increase in loss factor (η) due to the blending amount of expansive graphite. It is done.
また、石油系炭化水素樹脂量を増加した実施例５は実施例３と対比したとき、ほぼ同じグラフの波形を描いていて、制振性がほぼ同程度であるのに対し、減衰性促進剤量を増加した実施例４は、実施例３に比べると１０℃における損失係数（η）のレベルは低下しているものの、２０℃における損失係数（η）のレベルは高くなっており、性能がブロード化していることが確認された。 Further, when Example 5 with an increased amount of petroleum hydrocarbon resin is compared with Example 3, the waveform of almost the same graph is drawn and the damping property is almost the same, whereas the damping accelerator Although the level of the loss factor (η) at 10 ° C. is lower than that of Example 3, the level of loss factor (η) at 20 ° C. is higher in Example 4 where the amount is increased. It was confirmed that it was broad.
以上、図１から、実施例に係る制振材料は、比較例に係る制振材料に比べて高い制振性を示すことが確認された。 As described above, it was confirmed from FIG. 1 that the vibration damping material according to the example shows higher vibration damping properties than the vibration damping material according to the comparative example.
Claims (11)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008039540A JP5501568B2 (en) | 2008-02-21 | 2008-02-21 | Damping material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008039540A JP5501568B2 (en) | 2008-02-21 | 2008-02-21 | Damping material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009197115A true JP2009197115A (en) | 2009-09-03 |
| JP5501568B2 JP5501568B2 (en) | 2014-05-21 |
Family
ID=41140980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008039540A Expired - Fee Related JP5501568B2 (en) | 2008-02-21 | 2008-02-21 | Damping material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5501568B2 (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013151646A (en) * | 2011-10-23 | 2013-08-08 | Daiwa:Kk | Heat-insulating coating composition, and coated material coated with the heat-insulating coating composition |
| JP2013253140A (en) * | 2012-06-05 | 2013-12-19 | Aisin Chemical Co Ltd | Thermosetting one-pack type paint composition |
| CN105038097A (en) * | 2015-09-09 | 2015-11-11 | 青岛鑫铁成汽车配件有限公司 | Self-adhesive butyl rubber and nitrile rubber blended damping material and preparing method thereof |
| WO2016031910A1 (en) * | 2014-08-27 | 2016-03-03 | 積水化学工業株式会社 | Thermally expandable fire resistant resin composition |
| CN106995540A (en) * | 2017-04-27 | 2017-08-01 | 柳州聚龙科技有限公司 | The manufacture method of shock absorber spring elements |
| CN107629340A (en) * | 2017-10-12 | 2018-01-26 | 上海工程技术大学 | A kind of composite modified chlorinated butyl damping rubber of silicon rubber/hindered phenol and preparation method thereof |
| WO2018194162A1 (en) * | 2017-04-21 | 2018-10-25 | Nok株式会社 | Rubber composition for torsional damper, and torsional damper |
| CN109593236A (en) * | 2018-10-31 | 2019-04-09 | 际华三五五皮革皮鞋有限公司 | A kind of lightweight rubber soles material and preparation method thereof |
| CN109796648A (en) * | 2019-02-19 | 2019-05-24 | 江苏骆氏减震件有限公司 | A kind of yielding rubber pad material prescription |
| CN110054853A (en) * | 2019-05-17 | 2019-07-26 | 江西龙泰新材料股份有限公司 | High-elastic polyvinyl chloride material of a kind of flexibility drag chain frosted and preparation method thereof |
| JP2021143280A (en) * | 2020-03-12 | 2021-09-24 | シーシーアイホールディングス株式会社 | Damping property-imparting agent and damping material |
| CN114479311A (en) * | 2021-12-24 | 2022-05-13 | 清华大学苏州汽车研究院（相城） | Rib damping material for dummy with Chinese human body signs and application thereof |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104212014A (en) * | 2014-09-10 | 2014-12-17 | 安徽弘毅电缆集团有限公司 | Aging-resistant modified rubber with high shock absorption performance |
| CN105348822B (en) * | 2015-10-28 | 2017-07-04 | 湖北宝石花工艺品有限公司 | A kind of manufacture method of raw lacquer base material damping fin |
| CN105801953A (en) * | 2016-04-20 | 2016-07-27 | 广德天运新技术股份有限公司 | Primary treatment process for producing damping sheet material by using waste rubber |
| CN105801954A (en) * | 2016-04-20 | 2016-07-27 | 广德天运新技术股份有限公司 | Damper sheet produced by waste rubber |
| CN105778194A (en) * | 2016-04-20 | 2016-07-20 | 广德天运新技术股份有限公司 | Preparation process for producing damping sheet by virtue of waste rubber |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1017710A (en) * | 1996-07-01 | 1998-01-20 | Yokohama Rubber Co Ltd:The | Earthquake-proof, highly attenuating rubber composition |
| JP2002069201A (en) * | 2000-08-29 | 2002-03-08 | Nitto Kako Kk | Flame-retardant rubber article and manufacturing method therefor |
| JP2002105328A (en) * | 2000-09-29 | 2002-04-10 | Sekisui Chem Co Ltd | Fire-resistant soundproof vibration-damping resin composition |
| JP2002265673A (en) * | 2001-03-14 | 2002-09-18 | Toyo Tire & Rubber Co Ltd | Rubber composition for vibration-proof rubber and vibration-proof rubber |
| JP2006124618A (en) * | 2004-11-01 | 2006-05-18 | Cci Corp | Damping property-imparting agent and damping material |
-
2008
- 2008-02-21 JP JP2008039540A patent/JP5501568B2/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1017710A (en) * | 1996-07-01 | 1998-01-20 | Yokohama Rubber Co Ltd:The | Earthquake-proof, highly attenuating rubber composition |
| JP2002069201A (en) * | 2000-08-29 | 2002-03-08 | Nitto Kako Kk | Flame-retardant rubber article and manufacturing method therefor |
| JP2002105328A (en) * | 2000-09-29 | 2002-04-10 | Sekisui Chem Co Ltd | Fire-resistant soundproof vibration-damping resin composition |
| JP2002265673A (en) * | 2001-03-14 | 2002-09-18 | Toyo Tire & Rubber Co Ltd | Rubber composition for vibration-proof rubber and vibration-proof rubber |
| JP2006124618A (en) * | 2004-11-01 | 2006-05-18 | Cci Corp | Damping property-imparting agent and damping material |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013151646A (en) * | 2011-10-23 | 2013-08-08 | Daiwa:Kk | Heat-insulating coating composition, and coated material coated with the heat-insulating coating composition |
| JP2013253140A (en) * | 2012-06-05 | 2013-12-19 | Aisin Chemical Co Ltd | Thermosetting one-pack type paint composition |
| US10538616B2 (en) | 2014-08-27 | 2020-01-21 | Sekisui Chemical Co., Ltd. | Thermally expandable fire resistant resin composition |
| JPWO2016031910A1 (en) * | 2014-08-27 | 2017-04-27 | 積水化学工業株式会社 | Thermally expandable refractory resin composition |
| JP7048701B2 (en) | 2014-08-27 | 2022-04-05 | 積水化学工業株式会社 | Thermally expandable refractory resin composition |
| KR20170045220A (en) * | 2014-08-27 | 2017-04-26 | 세키스이가가쿠 고교가부시키가이샤 | Thermally expandable fire resistant resin composition |
| JP2021042384A (en) * | 2014-08-27 | 2021-03-18 | 積水化学工業株式会社 | Thermally expandable refractory resin composition |
| EP3187549A1 (en) | 2014-08-27 | 2017-07-05 | Sekisui Chemical Co., Ltd. | Thermally expandable fire resistant resin composition |
| KR102171427B1 (en) * | 2014-08-27 | 2020-10-29 | 세키스이가가쿠 고교가부시키가이샤 | Thermally expandable fire resistant resin composition |
| JP2019143163A (en) * | 2014-08-27 | 2019-08-29 | 積水化学工業株式会社 | Thermal expansive fire resistant resin composition |
| JP2018024891A (en) * | 2014-08-27 | 2018-02-15 | 積水化学工業株式会社 | Thermally-expandable fire-resistant resin composition |
| WO2016031910A1 (en) * | 2014-08-27 | 2016-03-03 | 積水化学工業株式会社 | Thermally expandable fire resistant resin composition |
| JP2017057399A (en) * | 2014-08-27 | 2017-03-23 | 積水化学工業株式会社 | Thermal expansive fire resistant resin composition |
| CN105038097A (en) * | 2015-09-09 | 2015-11-11 | 青岛鑫铁成汽车配件有限公司 | Self-adhesive butyl rubber and nitrile rubber blended damping material and preparing method thereof |
| CN110582538B (en) * | 2017-04-21 | 2022-05-06 | Nok株式会社 | Rubber composition for torsional vibration damper and torsional vibration damper |
| WO2018194162A1 (en) * | 2017-04-21 | 2018-10-25 | Nok株式会社 | Rubber composition for torsional damper, and torsional damper |
| CN110582538A (en) * | 2017-04-21 | 2019-12-17 | Nok株式会社 | Rubber composition for torsional vibration damper and torsional vibration damper |
| JPWO2018194162A1 (en) * | 2017-04-21 | 2019-04-25 | Nok株式会社 | Rubber composition for torsional damper and torsional damper |
| US11174380B2 (en) | 2017-04-21 | 2021-11-16 | Nok Corporation | Rubber composition for torsional damper and torsional damper |
| CN106995540A (en) * | 2017-04-27 | 2017-08-01 | 柳州聚龙科技有限公司 | The manufacture method of shock absorber spring elements |
| CN107629340A (en) * | 2017-10-12 | 2018-01-26 | 上海工程技术大学 | A kind of composite modified chlorinated butyl damping rubber of silicon rubber/hindered phenol and preparation method thereof |
| CN109593236A (en) * | 2018-10-31 | 2019-04-09 | 际华三五五皮革皮鞋有限公司 | A kind of lightweight rubber soles material and preparation method thereof |
| CN109796648A (en) * | 2019-02-19 | 2019-05-24 | 江苏骆氏减震件有限公司 | A kind of yielding rubber pad material prescription |
| CN110054853A (en) * | 2019-05-17 | 2019-07-26 | 江西龙泰新材料股份有限公司 | High-elastic polyvinyl chloride material of a kind of flexibility drag chain frosted and preparation method thereof |
| JP2021143280A (en) * | 2020-03-12 | 2021-09-24 | シーシーアイホールディングス株式会社 | Damping property-imparting agent and damping material |
| CN114479311A (en) * | 2021-12-24 | 2022-05-13 | 清华大学苏州汽车研究院（相城） | Rib damping material for dummy with Chinese human body signs and application thereof |
| CN114479311B (en) * | 2021-12-24 | 2023-05-26 | 清华大学苏州汽车研究院（相城） | Rib damping material for Chinese human body sign dummy and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5501568B2 (en) | 2014-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5501568B2 (en) | Damping material | |
| JP5086386B2 (en) | High damping composition | |
| WO2008075604A1 (en) | Organic damping material | |
| JP2011006584A (en) | Organic vibration damping material | |
| JP5451354B2 (en) | Damping composite filler and damping material using the same | |
| JP4465023B2 (en) | Organic damping material | |
| JP2008174701A (en) | Organic damping material | |
| JP3675216B2 (en) | High damping material composition | |
| JP5143605B2 (en) | High damping rubber composition and vibration control damper using the same | |
| JP5831921B2 (en) | Electromagnetic wave absorber and method for producing electromagnetic wave absorber | |
| JP2002105328A (en) | Fire-resistant soundproof vibration-damping resin composition | |
| JP2002138184A (en) | High damping elastomer composition | |
| JP3325600B2 (en) | Rubber and / or plastic moldings with vibration damping and thermal conductivity | |
| JP6148902B2 (en) | High damping rubber composition for vibration control damper and vibration control damper using the same | |
| KR101575880B1 (en) | Waterproof sheet and waterproof laminate comprising the waterproof sheet | |
| JP2000218736A (en) | Fire-proof multi-layer sheet | |
| JP2001262942A (en) | Fire-resistant structure | |
| JPWO2002053647A1 (en) | Damping material | |
| JP2006008859A (en) | Highly damping elastomer composition | |
| JP2003246571A (en) | Fire door structure for elevator | |
| CN111621115B (en) | Shock-absorbing damper | |
| JP2015183110A (en) | High attenuation rubber composition for vibration control damper and vibration control damper using the same | |
| JP2004127980A (en) | Non-halogen flame-retardant electromagnetic wave absorber | |
| JP5180654B2 (en) | Water-based resin composition | |
| JP2002179908A (en) | Vibration suppressive resin composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20110119 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20110119 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20110127 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20110120 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20130422 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130514 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130711 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20140225 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140312 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5501568 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |