JP2000072918A - Vibration-damping material - Google Patents
Vibration-damping materialInfo
- Publication number
- JP2000072918A JP2000072918A JP10242183A JP24218398A JP2000072918A JP 2000072918 A JP2000072918 A JP 2000072918A JP 10242183 A JP10242183 A JP 10242183A JP 24218398 A JP24218398 A JP 24218398A JP 2000072918 A JP2000072918 A JP 2000072918A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- liquid polysulfide
- polysulfide rubber
- vibration
- curing agent
- 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.)
- Withdrawn
Links
- 238000013016 damping Methods 0.000 title claims abstract description 39
- 239000000463 material Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 229920001971 elastomer Polymers 0.000 claims abstract description 35
- 239000005060 rubber Substances 0.000 claims abstract description 35
- 239000005077 polysulfide Substances 0.000 claims abstract description 27
- 229920001021 polysulfide Polymers 0.000 claims abstract description 27
- 150000008117 polysulfides Polymers 0.000 claims abstract description 27
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 229920002857 polybutadiene Polymers 0.000 claims abstract description 10
- -1 amine compound Chemical class 0.000 claims abstract description 9
- 239000005062 Polybutadiene Substances 0.000 claims abstract description 8
- 125000003700 epoxy group Chemical group 0.000 claims abstract description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 229920000768 polyamine Polymers 0.000 abstract description 6
- ULKLGIFJWFIQFF-UHFFFAOYSA-N 5K8XI641G3 Chemical compound CCC1=NC=C(C)N1 ULKLGIFJWFIQFF-UHFFFAOYSA-N 0.000 abstract description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 11
- 150000001412 amines Chemical class 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000009477 glass transition Effects 0.000 description 4
- 239000003822 epoxy resin Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229940126062 Compound A Drugs 0.000 description 2
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- IMUDHTPIFIBORV-UHFFFAOYSA-N aminoethylpiperazine Chemical compound NCCN1CCNCC1 IMUDHTPIFIBORV-UHFFFAOYSA-N 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000003190 viscoelastic substance Substances 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 1
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 description 1
- HWRRQRKPNKYPBW-UHFFFAOYSA-N 2,4-dimethylcyclohexan-1-amine Chemical compound CC1CCC(N)C(C)C1 HWRRQRKPNKYPBW-UHFFFAOYSA-N 0.000 description 1
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- COADIMIQPGAXLV-UHFFFAOYSA-N 3-[[2-(aminomethyl)phenyl]methylamino]propanenitrile Chemical compound NCC1=CC=CC=C1CNCCC#N COADIMIQPGAXLV-UHFFFAOYSA-N 0.000 description 1
- QLBRROYTTDFLDX-UHFFFAOYSA-N [3-(aminomethyl)cyclohexyl]methanamine Chemical compound NCC1CCCC(CN)C1 QLBRROYTTDFLDX-UHFFFAOYSA-N 0.000 description 1
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- SSJXIUAHEKJCMH-UHFFFAOYSA-N cyclohexane-1,2-diamine Chemical compound NC1CCCCC1N SSJXIUAHEKJCMH-UHFFFAOYSA-N 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 1
- 150000002085 enols Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 150000004658 ketimines Chemical class 0.000 description 1
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 1
- ACYBVNYNIZTUIL-UHFFFAOYSA-N n'-benzylethane-1,2-diamine Chemical compound NCCNCC1=CC=CC=C1 ACYBVNYNIZTUIL-UHFFFAOYSA-N 0.000 description 1
- TXXWBTOATXBWDR-UHFFFAOYSA-N n,n,n',n'-tetramethylhexane-1,6-diamine Chemical compound CN(C)CCCCCCN(C)C TXXWBTOATXBWDR-UHFFFAOYSA-N 0.000 description 1
- ASXPYJWTKDPZIE-UHFFFAOYSA-N n,n-bis(ethylamino)propan-1-amine Chemical compound CCCN(NCC)NCC ASXPYJWTKDPZIE-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- LVTJOONKWUXEFR-FZRMHRINSA-N protoneodioscin Natural products O(C[C@@H](CC[C@]1(O)[C@H](C)[C@@H]2[C@]3(C)[C@H]([C@H]4[C@@H]([C@]5(C)C(=CC4)C[C@@H](O[C@@H]4[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@@H](O)[C@H](O[C@H]6[C@@H](O)[C@@H](O)[C@@H](O)[C@H](C)O6)[C@H](CO)O4)CC5)CC3)C[C@@H]2O1)C)[C@H]1[C@H](O)[C@H](O)[C@H](O)[C@@H](CO)O1 LVTJOONKWUXEFR-FZRMHRINSA-N 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Landscapes
- Building Environments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、建築物の耐震補強
のための粘弾性ダンパーや制震壁などの用途に有用な制
振材に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vibration damping material useful for applications such as a viscoelastic damper and a vibration damping wall for seismic reinforcement of buildings.
【０００２】[0002]
【従来の技術】従来より、一般車両、建築物の床、機械
などから発生する振動の防止や、音響設備の防音などの
目的で、高分子粘弾性材料からなる各種の制振材が開発
されている。2. Description of the Related Art Conventionally, various vibration damping materials made of polymer viscoelastic materials have been developed for the purpose of preventing vibrations generated from general vehicles, floors of buildings, machines, and the like, and soundproofing of acoustic equipment. ing.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来よ
り知られる制振材は、数十Hz〜数千Hz程度と比較的高い
周波数領域の振動に対しては良好な制振効果を発揮する
ものの（高分子粘弾性材料は、通常、高周波数になるほ
ど制振効果が高くなるという特性を有する。）、数Hz以
下の低い周波数領域での制振効果は不十分であるという
問題があった。However, vibration damping materials known in the prior art exhibit a good vibration damping effect with respect to vibrations in a relatively high frequency range of about several tens Hz to several thousands Hz. The polymer viscoelastic material generally has a characteristic that the higher the frequency, the higher the vibration damping effect is.) However, there is a problem that the vibration damping effect in a low frequency region of several Hz or less is insufficient.
【０００４】また、このため、低周波数領域の制振が要
求される、例えば建築物や各種構造物の耐震補強のため
に用いる粘弾性ダンパーや制振壁などの用途への適用は
困難であった。ちなみに、車両用制振材は比較的高周波
領域で使用されるものである。[0004] For this reason, it is difficult to apply to applications such as viscoelastic dampers and damping walls used for vibration-proof reinforcement of buildings and various structures, which require vibration suppression in a low frequency range. Was. Incidentally, the vehicle vibration damping material is used in a relatively high frequency range.
【０００５】さらに、制振効果に温度依存性があり、使
用環境温度によって制振性能が変化するという問題もあ
った。また、機械的物性に乏しいという問題もあった。Further, there is another problem that the vibration damping effect has a temperature dependency, and the vibration damping performance changes depending on the temperature of the use environment. There is also a problem that the mechanical properties are poor.
【０００６】本発明はこのような問題を解決するために
なされたもので、地震動のような数Hz以下の低周波数領
域でも良好な制振効果を示し、かつ、温度依存性が小さ
く、機械的物性も良好な制振材を提供することを目的と
する。The present invention has been made in order to solve such a problem, and shows a good vibration damping effect even in a low frequency range of several Hz or less such as a seismic motion, has a small temperature dependency, and has a high mechanical strength. An object is to provide a vibration damping material having good physical properties.
【０００７】[0007]
【課題を解決するための手段】本発明の制振材は、
（Ａ）エポキシ化液状ポリスルフィドゴム、（Ｂ）液状
ポリスルフィドゴムおよび／または（Ｃ）エポキシ化液
状ブタジエンゴム、並びに（Ｄ）硬化剤を含有するゴム
組成物からなることを特徴としている。Means for Solving the Problems The vibration damping material of the present invention comprises:
It is characterized by comprising a rubber composition containing (A) an epoxidized liquid polysulfide rubber, (B) a liquid polysulfide rubber and / or (C) an epoxidized liquid butadiene rubber, and (D) a curing agent.
【０００８】以下、本発明を詳細に説明する。Hereinafter, the present invention will be described in detail.
【０００９】本発明において使用される（Ａ）成分のエ
ポキシ化液状ポリスルフィドゴムは、分子中、すなわち
分子鎖末端や分子鎖内部にエポキシ基を有する液状のポ
リスルフィドゴムであり、特に、一般式（−ＲＳx −）
n （但し、Ｒは少なくとも 1個のエーテル結合を有する
アルキレン基、x は 1〜3 、n は102 〜104 ）で示され
るポリスルフィド化合物から導かれたものの使用が望ま
しい。具体的には、東レチオコール社製のflep 10 、fl
ep 50 （以上、商品名）等が例示される。The epoxidized liquid polysulfide rubber of the component (A) used in the present invention is a liquid polysulfide rubber having an epoxy group in the molecule, that is, at the terminal or inside of the molecular chain. RSx-)
n (where R is an alkylene group having at least one ether bond, x is 1 to 3, and n is 10 2 to 10 4 ). Specifically, flep 10, fl
ep 50 (above, trade name) and the like.
【００１０】また、（Ｂ）成分の液状ポリスルフィドゴ
ムとしても、上述したような一般式（−ＲＳx −）n
（但し、Ｒは少なくとも 1個のエーテル結合を有するア
ルキレン基、x は 1〜3 、n は102 〜104 ）で示される
ものの使用が望ましい。具体的には、東レチオコール社
製のＬＰ 3（商品名）等が例示される。[0010] The liquid polysulfide rubber of the component (B) may also have the general formula (-RSx-) n as described above.
(Wherein, R represents at least one alkylene group having an ether bond, x is 1 to 3, n is 10 2 to 10 4) is desired the use of those represented by the. Specifically, LP3 (trade name) manufactured by Toraythiol Co., Ltd. is exemplified.
【００１１】この（Ｂ）成分の配合量は、（Ａ）成分の
エポキシ化液状ポリスルフィドゴム100重量部あたり、5
0〜 150重量部の範囲が望ましい。The amount of the component (B) is 5 to 100 parts by weight of the epoxidized liquid polysulfide rubber of the component (A).
A range of 0 to 150 parts by weight is desirable.
【００１２】さらに、本発明において使用される（Ｃ）
成分のエポキシ化液状ブタジエンゴムは、分子中、すな
わち分子鎖末端や分子鎖内部にエポキシ基を有する液状
のブタジエンゴムであり、具体的には、出光石油化学社
製のPoly bd R-45EPT 、ダイセル化学社製のPB3600、日
本曹達社製のBF1000（以上、商品名）等が例示される。Further, (C) used in the present invention
The epoxidized liquid butadiene rubber of the component is a liquid butadiene rubber having an epoxy group in the molecule, that is, a molecular chain terminal or inside the molecular chain.Specifically, Idemitsu Petrochemical Co., Ltd.Poly bd R-45EPT, Daicel Examples include PB3600 manufactured by Kagaku Co., Ltd. and BF1000 manufactured by Nippon Soda Co. (all trade names).
【００１３】この（Ｃ）成分の配合量は、（Ａ）成分の
エポキシ化液状ポリスルフィドゴム100重量部あたり、1
0〜500 重量部の範囲が望ましい。The amount of the component (C) is 1/100 parts by weight of the epoxidized liquid polysulfide rubber of the component (A).
A range of 0 to 500 parts by weight is desirable.
【００１４】なお、以上の（Ａ）〜（Ｃ）成分はＳＰ値
の差が 2以内であり、よく相溶する。The above components (A) to (C) have an SP value difference of 2 or less and are well compatible.
【００１５】次に、（Ｄ）成分の硬化剤としては、一般
にエポキシ樹脂の硬化剤として知られているものがあげ
られるが、なかでも、アミン化合物の使用が好ましい。
このようなアミン化合物としては、ジエチレントリアミ
ン、トリエチレンテトラアミン、テトラエチレンペンタ
アミン、ペンタエチレンヘキサミン、イソフォロンジア
ミン、シクロヘキシルアミン、1,2-ジアミノシクロヘキ
サン、1,3-ビス（アミノメチル）シクロヘキサン、ビス
（4-アミノ-3- メチルシクロヘキシル）メタン、m-キシ
レンジアミン、N-アミノエチルピペラジン、p,p-ジアミ
ノジフェニルメタン、4,4 ′- メチレンジアミン、N-ベ
ンジルエチレンジアミン、N-シアノエチルキシリレンジ
アミン、N-シアノエチルキシレンジアミン、1-(2- アミ
ノエチル）ピペラジン、N,N-ジエチルアミノ-N- プロピ
ルアミン、N,N, N′,N′- テトラメチルヘキサメチレン
ジアミン、ピペリジン、メンセンジアミン、ベンジルジ
メチルアミン、シメチルアミノメチルフェノール、2,4,
6-トリス（ジメチルアミノメチル）フェノール、ＤＢ
Ｕ、エポキシ樹脂を過剰なアミンと反応させて得られる
ポリアミンエポキシ樹脂アダクト、ポリアミン- ポリピ
レンオキサイドアダクト、シアノエチル化ポリアミン、
主鎖がポリシロキサンからなるアミン、ケチミン、ポリ
アミン類とフェノール類またはアルデヒド類との脱水縮
合物、2-エチル-4- メチルイミダゾール類、変性ポリア
ミン等があげられる。これらは 1種を単独で使用しても
よく、 2種以上を混合して使用してもよい。本発明にお
いては、なかでも変性ポリアミンの使用が好ましく、変
性ジアミンを使用するとより好ましい。Next, as the curing agent of the component (D), there may be mentioned those which are generally known as curing agents for epoxy resins. Among them, the use of amine compounds is preferred.
Examples of such amine compounds include diethylenetriamine, triethylenetetraamine, tetraethylenepentamine, pentaethylenehexamine, isophoronediamine, cyclohexylamine, 1,2-diaminocyclohexane, 1,3-bis (aminomethyl) cyclohexane, (4-amino-3-methylcyclohexyl) methane, m-xylenediamine, N-aminoethylpiperazine, p, p-diaminodiphenylmethane, 4,4'-methylenediamine, N-benzylethylenediamine, N-cyanoethylxylylenediamine, N-cyanoethylxylenediamine, 1- (2-aminoethyl) piperazine, N, N-diethylamino-N-propylamine, N, N, N ', N'-tetramethylhexamethylenediamine, piperidine, mensendiamine, benzyl Dimethylamine, cimethylaminomethyl Enol, 2,4,
6-tris (dimethylaminomethyl) phenol, DB
U, a polyamine epoxy resin adduct obtained by reacting an epoxy resin with an excess of amine, a polyamine-polypyrene oxide adduct, a cyanoethylated polyamine,
Examples thereof include amines and ketimines having a main chain of polysiloxane, dehydration condensates of polyamines with phenols or aldehydes, 2-ethyl-4-methylimidazoles, and modified polyamines. These may be used alone or as a mixture of two or more. In the present invention, the use of a modified polyamine is preferred, and the use of a modified diamine is more preferred.
【００１６】この（Ｄ）成分の硬化剤の配合量は、活性
水素基量が、組成物中のエポキシ基1当量あたり0.75〜
1.05当量となる範囲が好ましい。硬化剤の配合量がこの
範囲より少ないと、機械的特性が低下し、逆に、多いと
制振効果が小さくなる。The compounding amount of the curing agent (D) is such that the amount of active hydrogen groups is 0.75 to 0.75 equivalents per equivalent of epoxy group in the composition.
A range that gives 1.05 equivalents is preferred. If the amount of the curing agent is less than this range, the mechanical properties are reduced, and if the amount is too large, the vibration damping effect is reduced.
【００１７】本発明のゴム組成物には、上記成分の他さ
らに、この種のゴム組成物に通常配合される添加剤、例
えばカーボンブラック、クレーなどの充填剤、プロセス
オイルなどの軟化剤、可塑剤、老化防止剤、顔料等を、
本発明の効果を阻害しない範囲で配合することができ
る。In the rubber composition of the present invention, in addition to the above-mentioned components, additives which are usually compounded in this type of rubber composition, for example, fillers such as carbon black and clay, softeners such as process oil, plasticizers and the like Agents, anti-aging agents, pigments, etc.
It can be blended within a range that does not impair the effects of the present invention.
【００１８】本発明の制振材においては、（Ａ）エポキ
シ化液状ポリスルフィドゴムに、この（Ａ）エポキシ化
液状ポリスルフィドゴムとガラス転移温度が異なる
（Ｂ）液状ポリスルフィドゴムおよび（Ｃ）エポキシ化
液状ポリブタジエンゴムの少なくとも 1種を併用したこ
とにより、低周波領域における制振効果が改善されると
ともに、制振効果の温度依存性が低減され、広い温度範
囲で良好な制振効果を発揮する。また、機械的物性も向
上する。In the vibration damping material of the present invention, (A) the epoxidized liquid polysulfide rubber has a different glass transition temperature from the (A) epoxidized liquid polysulfide rubber, (B) the liquid polysulfide rubber, and (C) the epoxidized liquid polysulfide rubber. By using at least one kind of polybutadiene rubber, the vibration damping effect in a low frequency region is improved, the temperature dependence of the vibration damping effect is reduced, and a good vibration damping effect is exhibited in a wide temperature range. Also, the mechanical properties are improved.
【００１９】したがって、低周波数領域での高い制振効
果が要求される建築物の粘弾性ダンパーや制振壁などの
用途にも適用可能となり、様々な用途に広く用いること
ができる。Therefore, the present invention can be applied to applications such as a viscoelastic damper and a damping wall of a building requiring a high damping effect in a low frequency range, and can be widely used in various applications.
【００２０】[0020]
【発明の実施の形態】以下、本発明を実施例によりさら
に詳細に説明するが、本発明はこれらの実施例によって
限定されるものではない。なお、以下の実施例および比
較例の記載中「部」とあるのはいずれも「重量部」を示
す。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail with reference to examples, but the present invention is not limited to these examples. In the following description of Examples and Comparative Examples, “parts” means “parts by weight”.
【００２１】実施例１ ガラス転移温度50℃のエポキシ化液状ポリスルフィドゴ
ム flep 10（エポキシ化液状ポリスルフィドゴムＡと表
記）を60部、ガラス転移温度48℃の液状ポリスルフィド
ゴムＬＰ 3を60部、ガラス転移温度48℃のエポキシ化液
状ブタジエンゴム BF1000 を 280部、および硬化剤とし
てKAYATORON RL-5311N（日本化薬社製商品名 アミン化
合物Ａと表記）40部をプラネタリミキサを用いて均一に
混合した後、所定の形状に加熱硬化させて制振材を得
た。Example 1 60 parts of epoxidized liquid polysulfide rubber flep 10 (denoted as epoxidized liquid polysulfide rubber A) having a glass transition temperature of 50 ° C. and 60 parts of liquid polysulfide rubber LP3 having a glass transition temperature of 48 ° C. After uniformly mixing 280 parts of epoxidized liquid butadiene rubber BF1000 at a temperature of 48 ° C. and 40 parts of KAYATORON RL-5311N (brand name of Nippon Kayaku Co., Ltd., amine compound A) as a curing agent using a planetary mixer, The material was cured by heating to a predetermined shape to obtain a vibration damping material.
【００２２】実施例２、３ 配合組成を表１に示すように変えた以外は、実施例１と
同様にしてプラネタリミキサを用いて均一に混合した
後、所定の形状に加熱硬化させて制振材を得た。比較例
１〜４前述のエポキシ化液状ポリスルフィドゴムＡ、ま
たはガラス転移温度40℃のエポキシ化液状ポリスルフィ
ドゴム flep 50（エポキシ化液状ポリスルフィドゴムＢ
と表記）と、前述のアミン化合物Ａ、ＳＡ-1（シェルケ
ミカル社製 商品名、アミン化合物Ｂと表記）、または
ＤＰＣ 3163 （シェルケミカル社製 商品名、アミン化
合物Ｃと表記）とを表１に示すような配合でプラネタリ
ミキサを用いて均一に混合した後、所定の形状に加熱硬
化させて制振材を得た。Examples 2 and 3 Except that the composition was changed as shown in Table 1, the mixture was uniformly mixed using a planetary mixer in the same manner as in Example 1, and then heat-cured into a predetermined shape to suppress vibration. Wood was obtained. Comparative Examples 1-4 Epoxidized liquid polysulfide rubber A or epoxidized liquid polysulfide rubber flep 50 (epoxidized liquid polysulfide rubber B) having a glass transition temperature of 40 ° C.
Table 1 shows the above-described amine compound A, SA-1 (trade name, manufactured by Shell Chemical Company, and described as amine compound B), or DPC 3163 (trade name, manufactured by Shell Chemical Company, described as amine compound C). Was uniformly mixed using a planetary mixer in the composition as shown in Table 1, and then heat-cured into a predetermined shape to obtain a vibration damping material.
【００２３】上記各実施例および比較例で得られた制振
材について、温度を -10℃〜50℃の範囲で変化させたと
きの低周波におけるtan δ（損失係数）の変化をＤＭＴ
Ａ（Dynamic mechanicalThermal Analyzer）により測定
した。測定は、直径 8mm、厚さ2mm の試料を用い、周波
数 0.5Hz、歪み率10％、昇温速度 2℃/ 分の条件で行っ
た。結果を組成とともに表１に示す。また、図１に、測
定結果に基づくtanδの温度依存性のグラフを示す。For the damping material obtained in each of the above Examples and Comparative Examples, the change in tan δ (loss coefficient) at a low frequency when the temperature was changed in the range of -10 ° C. to 50 ° C. was measured by DMT.
A (Dynamic mechanical Thermal Analyzer) was used for measurement. The measurement was carried out using a sample having a diameter of 8 mm and a thickness of 2 mm under the conditions of a frequency of 0.5 Hz, a strain rate of 10%, and a heating rate of 2 ° C./min. The results are shown in Table 1 together with the composition. FIG. 1 shows a graph of the temperature dependence of tan δ based on the measurement results.
【００２４】[0024]
【表１】 表１からも明らかなように、本発明にかかる制振材は、
低周波振動に対しても、良好な制振性能が温度に依存す
ることなく安定して得ることができる。[Table 1] As is clear from Table 1, the vibration damping material according to the present invention is:
Even for low-frequency vibration, good vibration damping performance can be stably obtained without depending on temperature.
【００２５】[0025]
【発明の効果】以上の実施例からも明らかなように、本
発明の制振材は、エポキシ化液状ポリスルフィドゴム
に、液状ポリスルフィドゴムとエポキシ化液状ポリブタ
ジエンゴムのいずれかを少なくとも併用するようにした
ので、高周波数領域はもとより、地震動のような低周波
数領域においても良好な制振性能を示し、かつ、制振性
能の温度依存性が小さいため、その優れた制振性能が広
い温度範囲にわたって発揮される。また、機械的物性も
良好である。As is clear from the above examples, the vibration damping material of the present invention is such that at least one of the liquid polysulfide rubber and the epoxidized liquid polybutadiene rubber is used in combination with the epoxidized liquid polysulfide rubber. Therefore, it exhibits good damping performance not only in the high frequency range but also in the low frequency range such as seismic motion, and its low temperature dependency of the damping performance demonstrates its excellent damping performance over a wide temperature range. Is done. Also, the mechanical properties are good.
【図１】実施例および比較例で得られた制振材のtan δ
の温度依存性を示すグラフ。FIG. 1 shows tan δ of damping materials obtained in Examples and Comparative Examples.
4 is a graph showing the temperature dependence of the temperature.
フロントページの続き Ｆターム(参考） 2E109 AA11 CA01 CB04 4J002 AC11Y BJ004 CC034 CD11W CD134 CD18Y CM014 CN02W CN02X CP094 EN036 EN046 EN076 ET006 EU076 EU136 FD020 FD030 FD090 FD144 FD146 GL00 GM00 Continued on the front page F term (reference) 2E109 AA11 CA01 CB04 4J002 AC11Y BJ004 CC034 CD11W CD134 CD18Y CM014 CN02W CN02X CP094 EN036 EN046 EN076 ET006 EU076 EU136 FD020 FD030 FD090 FD144 FD146 GL00 GM00
Claims (3)
ム、（Ｂ）液状ポリスルフィドゴムおよび／または
（Ｃ）エポキシ化液状ブタジエンゴム、並びに（Ｄ）硬
化剤を含有するゴム組成物からなることを特徴とする制
振材。1. A rubber composition comprising (A) an epoxidized liquid polysulfide rubber, (B) a liquid polysulfide rubber and / or (C) an epoxidized liquid butadiene rubber, and (D) a curing agent. Damping material.
エポキシ化液状ポリスルフィドゴム 100重量部に対し、
（Ｂ）液状ポリスルフィドゴムを50〜150 重量部、
（Ｃ）エポキシ化液状ブタジエンゴムを10〜500 重量
部、（Ｄ）硬化剤を、ゴム組成物中のエポキシ基 1当量
あたり活性水素基が0.75〜1.05当量となる量配合してな
ることを特徴とする制振材。2. The vibration damping material according to claim 1, wherein (A)
For 100 parts by weight of the epoxidized liquid polysulfide rubber,
(B) 50 to 150 parts by weight of a liquid polysulfide rubber,
(C) 10 to 500 parts by weight of an epoxidized liquid butadiene rubber and (D) a curing agent in an amount of 0.75 to 1.05 equivalent of active hydrogen groups per equivalent of epoxy group in the rubber composition. And damping material.
て、（Ｃ）の硬化剤がアミン化合物からなることを特徴
とする制振材。3. The vibration damping material according to claim 1, wherein the curing agent (C) comprises an amine compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10242183A JP2000072918A (en) | 1998-08-27 | 1998-08-27 | Vibration-damping material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10242183A JP2000072918A (en) | 1998-08-27 | 1998-08-27 | Vibration-damping material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2000072918A true JP2000072918A (en) | 2000-03-07 |
Family
ID=17085551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10242183A Withdrawn JP2000072918A (en) | 1998-08-27 | 1998-08-27 | Vibration-damping material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2000072918A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480676A (en) * | 2020-12-26 | 2021-03-12 | 江苏汉龙航空科技发展有限公司 | Vibration isolation and noise reduction damping for ships |
-
1998
- 1998-08-27 JP JP10242183A patent/JP2000072918A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112480676A (en) * | 2020-12-26 | 2021-03-12 | 江苏汉龙航空科技发展有限公司 | Vibration isolation and noise reduction damping for ships |
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