JP3157074B2 - Polyamide resin composition and vibration damping material comprising the same - Google Patents

Polyamide resin composition and vibration damping material comprising the same

Info

Publication number
JP3157074B2
JP3157074B2 JP28728893A JP28728893A JP3157074B2 JP 3157074 B2 JP3157074 B2 JP 3157074B2 JP 28728893 A JP28728893 A JP 28728893A JP 28728893 A JP28728893 A JP 28728893A JP 3157074 B2 JP3157074 B2 JP 3157074B2
Authority
JP
Japan
Prior art keywords
polyamide resin
resin composition
vibration damping
present
rigidity
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.)
Expired - Lifetime
Application number
JP28728893A
Other languages
Japanese (ja)
Other versions
JPH07118522A (en
Inventor
修 藤井
徹 藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asahi Kasei Corp
Original Assignee
Asahi Kasei Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=17715454&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP3157074(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Kasei Corp filed Critical Asahi Kasei Corp
Priority to JP28728893A priority Critical patent/JP3157074B2/en
Publication of JPH07118522A publication Critical patent/JPH07118522A/en
Application granted granted Critical
Publication of JP3157074B2 publication Critical patent/JP3157074B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Vibration Prevention Devices (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は、例えばAV製品のメカ
シャーシや、自動車のドアミラーステイ、エンジンヘッ
ドカバー等の高剛性、制振性、表面平滑性、低反り性等
の物性を必須とする構造部品に有用であり、該性能及び
成形性に優れたポリアミド樹脂組成物、およびそれから
なる制振材料、に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure, such as a mechanical chassis of an AV product, a door mirror stay of an automobile, an engine head cover, etc., which requires physical properties such as high rigidity, vibration damping, surface smoothness, and low warpage. The present invention relates to a polyamide resin composition useful for parts and having excellent performance and moldability, and a vibration damping material comprising the same.

【0002】[0002]

【従来の技術】ポリアミド樹脂の中で特にナイロン66
は、その強靭性、耐熱性から広く構造材として使用され
ており、また、ナイロン66にガラス繊維等の無機充填
材を配合することでさらに強度剛性が増しその用途を広
げている。しかし、ナイロン66は吸水すると剛性が低
下するという欠点を有しており高剛性が必要な用途には
向いていない。そこで、ナイロン66吸水剛性を改良す
るために種々研究の結果、各種の半芳香族ポリアミドが
見いだされ、ポリマー構造中に芳香環を導入することで
吸水後の剛性低下の少ないポリマーが得られた(例えば
特公平3−56576号公報、特公平3−77216号
公報、特開平1−263151号公報、特開平4−14
9234号公報等)。
2. Description of the Related Art Among polyamide resins, especially nylon 66 is used.
Is widely used as a structural material because of its toughness and heat resistance. Further, by blending an inorganic filler such as glass fiber with nylon 66, the strength and rigidity are further increased, and its use is expanded. However, nylon 66 has a disadvantage that rigidity is reduced when water is absorbed, and is not suitable for applications requiring high rigidity. Therefore, as a result of various studies to improve the water absorption rigidity of nylon 66, various semi-aromatic polyamides were found. By introducing an aromatic ring into the polymer structure, a polymer with a small reduction in rigidity after water absorption was obtained ( For example, Japanese Patent Publication No. 3-56576, Japanese Patent Publication No. 3-77216, Japanese Patent Application Laid-Open No. 1-263151, and Japanese Patent Application Laid-Open No. 4-14
No. 9234).

【0003】[0003]

【本発明が解決しようとする課題】しかしながら、前述
の様にナイロン66では吸水時の剛性低下があるばかり
だけでなく、高濃度に無機充填材を配合すると表面に無
機充填剤が浮きだし表面平滑性が失われ、外観性が必要
な用途に用いることことが出来ない。さらに、ガラス繊
維等の異方性のある充填材を配合すると成形品に反りが
生じ金型の設計を困難にしたり、用途が限定されてたり
していた。吸水剛性を改良した各種半芳香族ポリアミド
においても、該ポリアミドは融点、固化点、ガラス転移
温度が高く、また、無機物強化系組成物においては表面
平滑性が悪いか、もしくは、平滑な表面を得るためにオ
イル温度調節装置付きの金型で100℃以上の高温金型
で成形する必要があり、かかる成形では、設備コストの
増大ばかりでなく、生産立ち上げ時に、金型温度が上昇
し安定するまでに大量の樹脂材料をロスするという欠点
があった。
However, as described above, the nylon 66 not only has a reduced rigidity when absorbing water, but also has a high concentration of an inorganic filler, whereby the inorganic filler floats on the surface and the surface becomes smooth. It loses its properties and cannot be used for applications requiring appearance. Further, when an anisotropic filler such as glass fiber is blended, a molded product is warped, which makes it difficult to design a mold or limits its use. Even in various semi-aromatic polyamides having improved water absorption rigidity, the polyamide has a high melting point, a high solidification point, and a high glass transition temperature, and has a poor surface smoothness or a smooth surface in an inorganic reinforced composition. Therefore, it is necessary to mold with a high temperature mold of 100 ° C. or more using a mold with an oil temperature control device, and this molding not only increases the equipment cost, but also stabilizes the mold temperature when starting up the production. By the time, there is a disadvantage that a large amount of resin material is lost.

【0004】[0004]

【課題を解決するための手段】前記課題を解決するため
に鋭意検討した結果、本発明者らは、特定の半芳香族ポ
リアミドと特定の無機充填剤を特定比率で配合する事に
よって、上記の課題を解決できる事を見出し、本発明に
到達した。 即ち、本願の第一の発明は、(A)ポリアミド成分とし
て、(a)アジピン酸及びヘキサメチレンジアミンから
得られたヘキサメチレンアジパミド単位70〜95wt
%と、(b)イソフタル酸及びヘキサメチレンジアミン
から得られたヘキサメチレンイソフタラミド単位5〜3
0wt%からなる半芳香族ポリアミド樹脂、30〜70
wt%と、 (B)ガラス繊維、25〜65wt%と、 (C)平均粒子径4〜50μmのマイカ、5〜30wt
%とからなるポリアミド樹脂組成物、に関する。
Means for Solving the Problems As a result of intensive studies to solve the above problems, the present inventors have found that the above-mentioned compound can be obtained by blending a specific semi-aromatic polyamide and a specific inorganic filler in a specific ratio. They found that the problem could be solved and arrived at the present invention. That is, the first invention of the present application relates to (A) as a polyamide component, (a) 70 to 95 wt% of hexamethylene adipamide units obtained from adipic acid and hexamethylene diamine.
% And (b) 5 to 3 hexamethylene isophthalamide units obtained from isophthalic acid and hexamethylene diamine.
Semi-aromatic polyamide resin consisting of 0 wt%, 30 to 70
(B) glass fiber, 25 to 65 wt%, and (C) mica having an average particle diameter of 4 to 50 μm, 5 to 30 wt%
% Of a polyamide resin composition.

【0005】本発明に用いられるポリアミド樹脂は、ア
ジピン酸及びヘキサメチレンジアミンから得られたヘキ
サメチレンアジパミド単位(66単位)とイソフタル酸
及びヘキサメチレンジアミンから得られたヘキサメチレ
ンイソフタラミド単位(6I単位)を構成成分とした半
芳香族共重合ポリアミドであり、共重合比率は、66/
6I比が95/5〜70/30wt%である。6I単位
が5wt%より少ないと、高濃度に無機充填材を配合す
ると表面平滑性が失われ外観性が必要な用途に用いるこ
とが出来ない。また、吸水時の剛性低下も発生し、本発
明の目的にそぐわない。6I単位が70wt%より多い
と高濃度に無機充填材を配合した場合、高温の金型で成
形しないと平滑な表面が得られず、又、結晶性が低くな
るため射出成形での成形サイクルが延び生産性が悪くな
る。表面平滑性、吸水時の剛性、成形性の観点から、さ
らに好ましい範囲は、66/6I比が85/15〜75
/25wt%の範囲である。
The polyamide resin used in the present invention comprises hexamethylene adipamide units (66 units) obtained from adipic acid and hexamethylene diamine and hexamethylene isophthalamide units obtained from isophthalic acid and hexamethylene diamine (66 units). 6I unit) as a constituent component, and the copolymerization ratio is 66 /
The 6I ratio is 95/5 to 70/30 wt%. If the 6I unit is less than 5 wt%, the surface smoothness is lost when the inorganic filler is blended in a high concentration, and the inorganic filler cannot be used for applications requiring appearance. In addition, the rigidity at the time of absorbing water is reduced, which is not suitable for the purpose of the present invention. When the 6I unit is more than 70 wt%, when the inorganic filler is blended at a high concentration, a smooth surface cannot be obtained unless molded with a high-temperature mold, and the crystallinity is reduced, so that the molding cycle in the injection molding may be reduced. Prolongation decreases productivity. From the viewpoint of surface smoothness, rigidity when absorbing water, and moldability, a more preferable range is that the 66 / 6I ratio is 85/15 to 75.
/ 25 wt%.

【0006】また、該ポリアミド樹脂の樹脂組成物に対
する配合比率は、30〜70wt%であり、配合比率が
30wt%より少ないと表面平滑性が失われ外観性が必
要な用途に用いる事が出来ず、配合比率が70wt%よ
り多いと剛性改善効果が少なく、またそのため共振周波
数も低く本発明の目的を達成しない。該ポリアミド樹脂
の配合比率のさらに好ましい範囲は、40〜60wt%
である。本発明のガラス繊維は、樹脂強化剤用に一般的
に用いられるガラス繊維であり、樹脂組成物に対して2
5〜65wt%配合する。ガラス繊維が25wt%より
少ないと、得られる成形品の引張強度が低く、強度改善
効果が少なく、ガラス繊維が65wt%より多いと表面
平滑性が失われ外観性が必要な用途に用いる事が出来
ず、さらに好ましい範囲は、ガラス繊維の配合比が30
〜60wt%の範囲である。
[0006] The compounding ratio of the polyamide resin to the resin composition is 30 to 70 wt%. If the compounding ratio is less than 30 wt%, the surface smoothness is lost and the polyamide resin cannot be used for applications requiring appearance. If the compounding ratio is more than 70 wt%, the effect of improving rigidity is small, and the resonance frequency is also low, so that the object of the present invention is not achieved. A more preferable range of the compounding ratio of the polyamide resin is 40 to 60% by weight.
It is. The glass fiber of the present invention is a glass fiber generally used for a resin reinforcing agent,
5 to 65 wt% is blended. If the glass fiber content is less than 25% by weight, the resulting molded article has low tensile strength and little effect of improving the strength. If the glass fiber content is more than 65% by weight, the surface smoothness is lost and it can be used for applications requiring appearance. Further, a more preferable range is that the mixing ratio of the glass fiber is 30.
6060 wt%.

【0007】本発明で用いられるマイカは、平均粒子径
が4〜50μmのものであり、また該マイカを樹脂組成
物に対して5〜30wt%配合する。平均粒子径が4μ
mより小さいと剛性改善効果が少なく、またそのため共
振周波数も低く本発明の目的を達成せず、平均粒子径が
50μmより大きいと表面平滑性が失われ外観性が必要
な用途に用いる事が出来ない。また、配合比が5wt%
より少ないと剛性改善効果が少なく、また反り改善効果
が少なく本発明の目的に反し、配合比が30wt%より
多いと表面平滑性が失われ外観性が必要な用途に用いる
事が出来ず、さらに好ましい範囲は、マイカの配合比が
5〜15wt%の範囲である。
The mica used in the present invention has an average particle diameter of 4 to 50 μm, and is mixed with the resin composition in an amount of 5 to 30% by weight. Average particle size is 4μ
When the average particle diameter is smaller than m, the effect of improving rigidity is small and the resonance frequency is low, so that the object of the present invention is not achieved. When the average particle diameter is larger than 50 μm, the surface smoothness is lost and it can be used for applications requiring appearance. Absent. The compounding ratio is 5wt%
If the amount is less than the above, the effect of improving rigidity is small, and the effect of improving the warp is small. Contrary to the object of the present invention, if the compounding ratio is more than 30% by weight, the surface smoothness is lost and cannot be used for applications requiring appearance. A preferred range is a range in which the mixing ratio of mica is 5 to 15 wt%.

【0008】本発明で用いられるマイカの種類に特に限
定は無いが、剛性改善効果から白マイカ、金マイカが好
ましく、また、マイカを充填する際、強度、剛性向上の
ために公知の表面処理剤、例えば、アミノシラン系のカ
ップリング剤を用いる事ができ、該表面処理剤は、あら
かじめマイカに処理した物を用いても良いし、本発明の
ポリアミド樹脂を溶融混練し製造する際に添加してもよ
い。本発明のポリアミド樹脂の製造は、上記の成分、す
なわちポリアミド樹脂、ガラス繊維、マイカを溶融混練
することで達成でき、混練方法としては、各成分をあら
かじめブレンダーを用いブレンドし、単軸や多軸の押出
機で溶融混練しても良いし、単軸や多軸の押出機を用い
て、ガラス繊維やマイカをサイドフィードしても良い。
[0008] The type of mica used in the present invention is not particularly limited, but white mica and gold mica are preferred from the viewpoint of improving rigidity. When filling mica, a known surface treatment agent is used to improve strength and rigidity. For example, an aminosilane-based coupling agent can be used, and the surface-treating agent may be a mica-treated product, or may be added during production by melt-kneading the polyamide resin of the present invention. Is also good. The production of the polyamide resin of the present invention can be achieved by melt-kneading the above components, that is, the polyamide resin, glass fiber, and mica. As a kneading method, each component is previously blended using a blender, and a single-axis or multi-axis May be melt-kneaded using a single-screw or multi-screw extruder, and glass fibers or mica may be side-fed using a single-screw or multi-screw extruder.

【0009】本発明のポリアミド樹脂には、耐熱性向上
のために、例えば、銅系の熱安定剤等の公知の耐熱安定
剤を、本発明の目的が達成される範囲で添加することが
でき、また、耐候性向上のために、例えばカーボンブラ
ック、マンガン化合物等の公知の耐候性安定剤を、本発
明の目的が達成される範囲で添加することができる。さ
らに、用途によっては、本発明の目的が損なわれない範
囲で顔料、染料によって着色して用いたり、塗料によっ
て、塗装して用いることが出来る。本願の第二の発明
は、第一の発明のポリアミド樹脂組成物からなる制振材
料に関するものであり、ASTM D638に準じた引
張試験用ダンベル成形片を用いて測定した共振周波数が
120Hz以上のものである。該制振材料は公知の方
法、例えば射出成形、押出成形、プレス成形等により溶
融成形することができる。共振周波数が120Hz以下
であると、例えば自動車エンジンや一般のモーター類の
振動により共振し、共振周波数が120Hz以上である
と幅広い用途で制振機能を発現することができる。本願
の第三の発明は、第一の発明のポリアミド樹脂組成物を
成形してなる車両用鏡体保持部品であり、車両用鏡体保
持部品とは、自動車のドアミラーや、ルームミラー、バ
イクのバックミラー等をを車体に保持するための部品で
ある。該車両用鏡体保持部品は公知の方法、例えば射出
成形、プレス成形等により溶融成形して得ることができ
る。
To the polyamide resin of the present invention, a known heat stabilizer such as, for example, a copper-based heat stabilizer can be added to the polyamide resin of the present invention as long as the object of the present invention is achieved. In order to improve the weather resistance, known weather resistance stabilizers such as, for example, carbon black and manganese compounds can be added within a range where the object of the present invention is achieved. Further, depending on the use, it can be used by coloring it with a pigment or dye, or can be used by painting with a paint, as long as the object of the present invention is not impaired. The second invention of the present application relates to a vibration damping material comprising the polyamide resin composition of the first invention, which has a resonance frequency of 120 Hz or more measured using a dumbbell molded piece for a tensile test according to ASTM D638. It is. The vibration damping material can be melt-molded by a known method, for example, injection molding, extrusion molding, press molding or the like. When the resonance frequency is 120 Hz or less, for example, resonance occurs due to vibration of an automobile engine or general motors. The third invention of the present application is a vehicle body holding part obtained by molding the polyamide resin composition of the first invention, and the vehicle body holding part is a door mirror of an automobile, a room mirror, a motorcycle. This is a component for holding a rearview mirror or the like on the vehicle body. The vehicle body holding part can be obtained by melt molding by a known method, for example, injection molding, press molding or the like.

【0010】[0010]

【実施例】以下に実施例を挙げて本発明をさらに詳しく
説明する。なお、実施例によって本発明の範囲はなんら
限定されるものではない。実施例、比較例中の評価は、
以下の方法を用いた。 (1)機械物性;DRY物性:引張強度は、ASTM
D638に、曲げ弾性率は、ASTMD790に準じて
行った。 WET物性:成形品を23℃、相対湿度50%の恒温、
恒湿の部屋で平衡吸水に至るまで放置し、引張強度は、
ASTM D638に、曲げ弾性率は、ASTM D7
90に準じて行った。 (2)表面光沢度;130mm×130×3mmの平板
成形品を東芝機械(株)製 IS150E射出成形機で
金型温度90℃で成形し、得られた成形品の表面を、堀
場製 ハンディ光沢計 IG320を使い、JIS K
7105に準じて測定した。 (3)反り;(2)で成形した平板成形品を用い、JI
S K6911に準じて測定した。 (4)共振周波数;(1)の引張特性評価用成形品を用
い、松貿機器(株)製複素弾性率測定装置を用いて測定
した。
The present invention will be described in more detail with reference to the following examples. The scope of the present invention is not limited at all by the examples. The evaluation in the examples and comparative examples is as follows.
The following method was used. (1) Mechanical properties; DRY properties: tensile strength is ASTM
For D638, the flexural modulus was measured according to ASTM D790. WET physical properties: constant temperature of 23 ° C, 50% relative humidity
Leave it in a constant humidity room until it reaches equilibrium water absorption, and the tensile strength is
ASTM D638 has a flexural modulus of ASTM D7.
90. (2) Surface glossiness: A flat molded product of 130 mm × 130 × 3 mm was molded at a mold temperature of 90 ° C. using an IS150E injection molding machine manufactured by Toshiba Machine Co., Ltd., and the surface of the obtained molded product was manufactured by HORIBA Handy Gloss. JIS K using IG320
It was measured according to 7105. (3) Warp; JI using the flat molded product molded in (2)
It was measured according to SK6911. (4) Resonance frequency: Measured using a complex elastic modulus measuring device manufactured by Shoko Kiki Co., Ltd. using the molded product for evaluating tensile properties of (1).

【0011】実施例、比較例中のポリマーは、次の樹脂
を用いた。 (1)ポリヘキサメチレンアジパミド(N66);旭化
成工業(株)社製レオナ1300(商品名) (2)コポリヘキサメチレンアジパミド・ヘキサメチレ
ンイソフタラミド;(N66/6I);製造例1に従っ
て、製造した。 (3)ポリメタキシリレンアジパミド(NMXD6);
三菱ガス化学(株)社製レニー6002(商品名) (製造例1)アジピン酸とヘキサメチレンジアミンの等
モル塩、0.8kg及びイソフタル酸とヘキサメチレン
ジアミンの等モル塩、0.2kg及び純水1.0kgを
5Lオートクレーブの中に仕込、窒素置換しながら、良
く攪拌し、室温から220℃まで約1時間かけて昇温
し、水蒸気を反応系外へ抜きながら18kg/cm2
に内圧をコントロールした。さらに加熱を続け、約2時
間で内温260℃に達した時点で、内温260℃を保ち
ながら約1時間かけて内圧を常圧まで下げた。オートク
レーブを密閉した後、室温まで徐冷しポリマーを取り出
し粉砕し、得られた粉砕ポリマーを窒素気流下、90℃
で24時間乾燥した。
The following resins were used as polymers in Examples and Comparative Examples. (1) Polyhexamethylene adipamide (N66); Leona 1300 (trade name) manufactured by Asahi Chemical Industry Co., Ltd. (2) Copolyhexamethylene adipamide hexamethylene isophthalamide; (N66 / 6I); Production Example Prepared according to 1. (3) polymethaxylylene adipamide (NMXD6);
Reny 6002 (trade name) manufactured by Mitsubishi Gas Chemical Co., Ltd. (Production Example 1) Equimolar salt of adipic acid and hexamethylenediamine, 0.8 kg and equimolar salt of isophthalic acid and hexamethylenediamine, 0.2 kg and pure 1.0 kg of water was charged into a 5 L autoclave, and the mixture was thoroughly stirred while purging with nitrogen. The temperature was raised from room temperature to 220 ° C. over about 1 hour, and 18 kg / cm 2 G while removing steam out of the reaction system.
The internal pressure was controlled. Heating was further continued, and when the internal temperature reached 260 ° C. in about 2 hours, the internal pressure was reduced to normal pressure over about 1 hour while maintaining the internal temperature at 260 ° C. After closing the autoclave, the polymer was gradually cooled to room temperature, and the polymer was taken out and pulverized.
For 24 hours.

【0012】実施例、比較例中の組成物は、次の方法で
製造した。 使用した原材料 ポリマー;上記製造例1の樹脂 ガラス繊維;旭ファーバーグラス社製、JA416(商
品名) マイカ;レプコ社製、MーXFCT、Mー400CT・
・・白マイカ S−400CT、S−200CT・・・金マイカ (製造例2)上記のポリマー、ガラス繊維、及びマイカ
を2軸押出機を用い、シリンダー設定温度280℃で溶
融混練して組成物を製造した。溶融状態の組成物をスト
ランド化しカッターでペレット化した。
The compositions in Examples and Comparative Examples were produced by the following methods. Raw materials used Polymer; resin of Production Example 1 above Glass fiber; manufactured by Asahi Fiberglass Co., Ltd., JA416 (trade name) Mica; manufactured by REPCO, MX-FCT, M-400CT
··· White mica S-400CT, S-200CT ··· Gold mica (Production Example 2) Composition obtained by melting and kneading the above polymer, glass fiber and mica at a cylinder set temperature of 280 ° C using a twin screw extruder. Was manufactured. The composition in a molten state was made into a strand and pelletized with a cutter.

【0013】(実施例1〜5)表1に示す組成からなる
ポリアミド樹脂組成物を、成形し、前記の方法で機械物
性、表面光沢度、反り、共振周波数を評価し、その結果
を表1に示す。いずれの組成物も吸水時の剛性、外観
性、耐反り性、に優れ、共振周波数の高い成形品が得ら
れた。
(Examples 1 to 5) A polyamide resin composition having the composition shown in Table 1 was molded, and the mechanical properties, surface glossiness, warpage, and resonance frequency were evaluated by the methods described above. Shown in All of the compositions were excellent in rigidity at the time of water absorption, appearance, and warpage resistance, and molded articles having a high resonance frequency were obtained.

【0014】[0014]

【表1】 (比較例1〜5)表2に示す組成からなるポリアミド樹
脂組成物を、成形し、同様に評価し、その結果を表2に
示す。いずれの組成物も、吸水時の剛性、外観性、耐反
り性、共振周波数を同時に満足出来る物はなかった。
[Table 1] (Comparative Examples 1 to 5) A polyamide resin composition having the composition shown in Table 2 was molded and evaluated in the same manner, and the results are shown in Table 2. None of the compositions could simultaneously satisfy the rigidity at the time of water absorption, appearance, warpage resistance, and resonance frequency.

【0015】[0015]

【表2】 [Table 2]

【0016】[0016]

【発明の効果】本発明により剛性、外観性、耐反り性、
耐共振性に優れるポリアミド樹脂及び、それからなる制
振材料が提供され、また、特に車両用鏡体保持部品等の
構造物を経済的に生産出来るようになった。
According to the present invention, rigidity, appearance, warpage resistance,
A polyamide resin having excellent resonance resistance and a vibration damping material comprising the same have been provided, and in particular, structures such as vehicle body holding parts have been economically produced.

フロントページの続き (58)調査した分野(Int.Cl.7,DB名) C08L 77/06 C08G 69/00 - 69/34 Continuation of front page (58) Field surveyed (Int.Cl. 7 , DB name) C08L 77/06 C08G 69/00-69/34

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 (A)ポリアミド成分として、(a)ア
ジピン酸及びヘキサメチレンジアミンから得られヘキ
サメチレンアジパミド単位70〜95wt%と、(b)
イソフタル酸及びヘキサメチレンジアミンから得られた
ヘキサメチレンイソフタラミド単位5〜30wt%から
なる半芳香族ポリアミド樹脂30〜70wt%と、 (B)ガラス繊維、25〜65wt%と、 (C)平均粒子径4〜50μmのマイカ、5〜30wt
%とからなることを特徴するポリアミド樹脂組成物。
As claimed in claim 1] (A) polyamide component, (a) and hexane <br/> Sa adipamide units 70 to 95 wt% that is obtained from adipic acid and hexamethylenediamine, (b)
(B) glass fiber, 25-65 wt%, and (C) average particles. 30-70 wt% of a semi-aromatic polyamide resin composed of 5-30 wt% of hexamethyleneisophthalamide units obtained from isophthalic acid and hexamethylenediamine. Mica with a diameter of 4-50 μm, 5-30 wt
% That comprising the polyamide resin composition characterized.
【請求項2】 得られる成形品の一次共振周波数が12
0Hz以上であることを特徴とする請求項1記載のポリ
アミド樹脂組成物からなる制振材料。
2. The molded product obtained has a primary resonance frequency of 12
The vibration damping material comprising the polyamide resin composition according to claim 1, wherein the frequency is 0 Hz or more.
【請求項3】請求項1記載のポリアミド樹脂組成物を成
形して得られる車両用鏡体保持部品。
3. A vehicle body holding part obtained by molding the polyamide resin composition according to claim 1.
JP28728893A 1993-10-25 1993-10-25 Polyamide resin composition and vibration damping material comprising the same Expired - Lifetime JP3157074B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP28728893A JP3157074B2 (en) 1993-10-25 1993-10-25 Polyamide resin composition and vibration damping material comprising the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP28728893A JP3157074B2 (en) 1993-10-25 1993-10-25 Polyamide resin composition and vibration damping material comprising the same

Publications (2)

Publication Number Publication Date
JPH07118522A JPH07118522A (en) 1995-05-09
JP3157074B2 true JP3157074B2 (en) 2001-04-16

Family

ID=17715454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP28728893A Expired - Lifetime JP3157074B2 (en) 1993-10-25 1993-10-25 Polyamide resin composition and vibration damping material comprising the same

Country Status (1)

Country Link
JP (1) JP3157074B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102402634B1 (en) * 2020-05-07 2022-05-27 주식회사 이안이엔지 Foot operating hand sterilizer

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11349696A (en) * 1998-06-03 1999-12-21 Unitika Ltd Molded body from nylon resin composition
KR20020084600A (en) * 2001-05-03 2002-11-09 현대자동차주식회사 Composition of Anti-Vibration Materials for engine cover of automobile having excellent NVH property
JP4590853B2 (en) * 2003-10-17 2010-12-01 パナソニック株式会社 Rotation rate sensor and multi-axis detection type rotation rate sensor
JP5499512B2 (en) * 2009-04-17 2014-05-21 東洋紡株式会社 Polyamide resin composition and molded product using the same
WO2011155596A1 (en) 2010-06-11 2011-12-15 旭化成ケミカルズ株式会社 Polyamide and polyamide composition
JP5806920B2 (en) * 2011-11-29 2015-11-10 旭化成ケミカルズ株式会社 How to improve sink marks
JP5850726B2 (en) * 2011-12-02 2016-02-03 旭化成ケミカルズ株式会社 Polyamide resin composition and molded product
JP5844627B2 (en) * 2011-12-06 2016-01-20 旭化成ケミカルズ株式会社 Polyamide resin composition and molded product
JP5979860B2 (en) * 2011-12-08 2016-08-31 旭化成株式会社 Long fiber reinforced polyamide resin composition pellets and molded products
JP5972088B2 (en) * 2012-08-02 2016-08-17 旭化成株式会社 Polyamide resin composition and molded body
JP5761632B2 (en) * 2013-04-16 2015-08-12 東洋紡株式会社 Glass fiber reinforced polyamide resin composition
JP6075691B2 (en) * 2013-04-16 2017-02-08 東洋紡株式会社 Polyamide resin composition with excellent vibration characteristics when absorbing water
US10072137B2 (en) 2013-07-04 2018-09-11 Toyobo Co., Ltd. Polyamide resin composition having high melt point and being excellent in anti-vibration property upon water absorption
JPWO2019172354A1 (en) * 2018-03-09 2021-01-07 東洋紡株式会社 Polyamide resin composition

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102402634B1 (en) * 2020-05-07 2022-05-27 주식회사 이안이엔지 Foot operating hand sterilizer

Also Published As

Publication number Publication date
JPH07118522A (en) 1995-05-09

Similar Documents

Publication Publication Date Title
JP3157074B2 (en) Polyamide resin composition and vibration damping material comprising the same
JPH0618929B2 (en) Glass fiber reinforced polypropylene composition
JP3169951B2 (en) High strength polyamide resin composition and method for producing the same
JPS5918756A (en) Polyamide composition
US5133316A (en) Engine cylinder head cover and molding composition used therefor
JPS6160861B2 (en)
AU630018B2 (en) Automobile mirror stay
JPH0447711B2 (en)
JP3155648B2 (en) Polyamide resin composition
JP2000273300A (en) Polyamide resin composition and injection molded product therefrom
JPH0632979A (en) Polyamide resin composition
JP2695492B2 (en) Polyamide / polyolefin resin composition
JP2777690B2 (en) Resin composition
JPH1171518A (en) Polyamide resin composition and molded article
JPH0543797A (en) Reinforced polyamide-polyolefin resin composition
JP2003525313A (en) Nylon molding composition with improved appearance
JP2695496B2 (en) Reinforced polyamide / polyolefin resin composition
JPH09241505A (en) Polyamide resin composition
JPH054987B2 (en)
JP2718083B2 (en) Molding material
JP4312278B2 (en) Polyamide resin composition
JPS63156856A (en) Polyamide resin molded article
JPH10147710A (en) Polyamide resin composition, production thereof and automobile parts produced therefrom
JP2695490B2 (en) Reinforced polyamide / polyolefin resin composition
JP2010111841A (en) Polyamide resin composition and molding comprising the same

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20010130

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20080209

Year of fee payment: 7

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090209

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090209

Year of fee payment: 8

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100209

Year of fee payment: 9

S531 Written request for registration of change of domicile

Free format text: JAPANESE INTERMEDIATE CODE: R313531

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100209

Year of fee payment: 9

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110209

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110209

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120209

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120209

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130209

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130209

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140209

Year of fee payment: 13

EXPY Cancellation because of completion of term