JP3322062B2 - Injection welding material - Google Patents

Injection welding material

Info

Publication number
JP3322062B2
JP3322062B2 JP07485195A JP7485195A JP3322062B2 JP 3322062 B2 JP3322062 B2 JP 3322062B2 JP 07485195 A JP07485195 A JP 07485195A JP 7485195 A JP7485195 A JP 7485195A JP 3322062 B2 JP3322062 B2 JP 3322062B2
Authority
JP
Japan
Prior art keywords
polyamide
weight
injection welding
welding material
injection
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 - Fee Related
Application number
JP07485195A
Other languages
Japanese (ja)
Other versions
JPH08337718A (en
Inventor
勉 片山
誠一 荒川
昭夫 宮本
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.)
Ube Corp
Original Assignee
Ube Industries Ltd
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
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Application filed by Ube Industries Ltd filed Critical Ube Industries Ltd
Priority to JP07485195A priority Critical patent/JP3322062B2/en
Priority to DE69622073T priority patent/DE69622073T2/en
Priority to EP96302210A priority patent/EP0735098B1/en
Priority to US08/625,453 priority patent/US5795931A/en
Publication of JPH08337718A publication Critical patent/JPH08337718A/en
Application granted granted Critical
Publication of JP3322062B2 publication Critical patent/JP3322062B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10314—Materials for intake systems
    • F02M35/10321—Plastics; Composites; Rubbers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10347—Moulding, casting or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/1034—Manufacturing and assembling intake systems
    • F02M35/10354—Joining multiple sections together
    • F02M35/1036—Joining multiple sections together by welding, bonding or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2225/00—Synthetic polymers, e.g. plastics; Rubber
    • F05C2225/08—Thermoplastics

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (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、エアーインテークマニ
ホールド、ソレノイドバルブやアンチロックブレーキ用
のセンサーとして適した射出溶着用材料に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an injection welding material suitable as a sensor for an air intake manifold, a solenoid valve or an anti-lock brake.

【０００２】すなわち、射出溶着用材料は、エアーイン
テークマニホールドやシステム配管などの中空部品を射
出成形工程のみで製造するために、２分割で成形した
後、別のキャビティー内で接合する際に利用される。ま
た、電気電子部品を水、熱および種々のガスなどの環境
から保護するために、ソレノイドバルブやアンチロック
ブレーキ用のセンサーを封止する際に利用されている。[0002] That is, the injection welding material is used to form hollow parts such as air intake manifolds and system pipes only by the injection molding process, after molding in two parts, and joining them in another cavity. Is done. In addition, in order to protect electric and electronic components from environments such as water, heat and various gases, they are used when sealing solenoid valves and sensors for antilock brakes.

【０００３】[0003]

【従来の技術およびその問題点】ポリアミド樹脂は、機
械的特性および耐熱性、耐薬品性に優れたエンジニアリ
ングプラスチックとして広い用途分野で使用されてい
る。また、ポリアミド樹脂に無機充填材を配合すること
によりさらに強度が向上するため、無機充填材で強化し
た状態でも広く使用されている。2. Description of the Related Art Polyamide resins are widely used as engineering plastics having excellent mechanical properties, heat resistance and chemical resistance. In addition, since the strength is further improved by blending the polyamide resin with the inorganic filler, it is widely used even in a state where it is reinforced with the inorganic filler.

【０００４】しかしながら、ポリアミド６、ポリアミド
１２を単独に用いた場合、溶着性にはすぐれているが、
耐熱性に劣り、高温で使用することができなかった。ま
た、ポリアミド６６を単独に用いた場合、耐熱性にはす
ぐれているが、溶着性に難点があった。特に封止成形に
利用した場合、内部のコイルボビンと外部の樹脂との接
着不良を起こし、要求される絶縁性が得られないという
問題があった。However, when polyamide 6 and polyamide 12 are used alone, they have excellent weldability,
Poor heat resistance and could not be used at high temperatures. When polyamide 66 was used alone, heat resistance was excellent, but there was a problem in weldability. In particular, when used for sealing molding, there has been a problem that poor adhesion between the internal coil bobbin and the external resin occurs, and the required insulation cannot be obtained.

【０００５】[0005]

【発明が解決しようとする課題】本発明者は、溶着性と
耐熱性との調和のとれた射出溶着材料を開発することを
目的に鋭意研究した結果、本発明に到達した。The inventor of the present invention has made intensive studies for the purpose of developing an injection welding material in which the welding property and the heat resistance are balanced, and as a result, the present invention has been achieved.

【０００６】[0006]

【課題を解決するための手段】本発明は、（Ａ）ポリア
ミド６成分２〜２５重量％とポリアミド６６成分９８〜
７５重量％とからなるポリアミド共重合体４０〜９５重
量％、および（Ｂ）無機充填材５〜６０重量％を含む射
出溶着用材料に関する。According to the present invention, there are provided (A) 2 to 25% by weight of a polyamide 6 component and 98 to 98% of a polyamide 66 component.
The present invention relates to an injection welding material containing 40 to 95% by weight of a polyamide copolymer composed of 75% by weight and (B) 5 to 60% by weight of an inorganic filler.

【０００７】本発明において、ポリアミド６とはポリカ
プラミド、ポリアミド６６とはヘキサメチレンジアミン
とアジピン酸の重縮合体である。In the present invention, polyamide 6 is a polycapramide, and polyamide 66 is a polycondensate of hexamethylenediamine and adipic acid.

【０００８】本発明のポリアミド共重合体を構成するポ
リアミド６成分とポリアミド６６成分との割合は、ポリ
アミド６成分／ポリアミド６６成分＝２〜２５重量％／
９８〜７５重量％であるのが好ましい。The ratio of the polyamide 6 component to the polyamide 66 component constituting the polyamide copolymer of the present invention is as follows: polyamide 6 component / polyamide 66 component = 2 to 25% by weight /
It is preferably from 98 to 75% by weight.

【０００９】ポリアミド６成分の割合が２重量％以下で
は溶着性が低下し、また、２５重量％以上では耐熱性が
低下するので好ましくない。When the proportion of the polyamide 6 component is 2% by weight or less, the weldability decreases, and when it is 25% by weight or more, the heat resistance decreases.

【００１０】本発明に使用する無機充填材として、具体
例としては、炭酸カルシウム、ケイ酸カルシウム（ワラ
ストナイト）、タルク、カオリン、マイカ、酸化チタ
ン、アルミナ、シリカ、フェライト、炭酸などの粉末
や、ガラス繊維、炭素繊維、金属繊維、ホウ素繊維、チ
タン酸カリウム繊維、セラミック繊維などの繊維を挙げ
ることができる。無機フィラーは、単独でまたは２種以
上を組合わせて用いてもよい。Specific examples of the inorganic filler used in the present invention include powders of calcium carbonate, calcium silicate (wollastonite), talc, kaolin, mica, titanium oxide, alumina, silica, ferrite, carbonic acid and the like. , Glass fiber, carbon fiber, metal fiber, boron fiber, potassium titanate fiber, ceramic fiber and the like. The inorganic fillers may be used alone or in combination of two or more.

【００１１】無機充填材は、ポリアミド樹脂と無機充填
材の合計１００重量％当たり５〜６０重量％、好ましく
は２０〜３５重量％の範囲で添加される。５重量％以下
では機械的強度の向上という点で効果は現れず、６０重
量％以上添加すると成形品の表面性が悪化するので好ま
しくない。The inorganic filler is added in an amount of 5 to 60% by weight, preferably 20 to 35% by weight, per 100% by weight of the total of the polyamide resin and the inorganic filler. If the content is 5% by weight or less, no effect is exhibited in terms of improvement in mechanical strength, and if it is added in an amount of 60% by weight or more, the surface properties of a molded product are undesirably deteriorated.

【００１２】本発明の射出溶着用材料は、前記ポリアミ
ド共重合体と無機充填材とを溶融混練することによって
容易に調製することができる。The injection welding material of the present invention can be easily prepared by melt-kneading the polyamide copolymer and the inorganic filler.

【００１３】この発明の射出溶着用材料は、要求される
特性に応じて他の添加剤、例えば耐熱剤，紫外線吸収剤
を含む耐候剤，難燃剤，帯電防止剤，滑剤，可塑剤，核
剤，発泡剤，着色剤，安定剤，カップリング剤などを含
有することができる。The injection-welding material of the present invention may contain other additives according to the required properties, such as a heat-resistant agent, a weathering agent including an ultraviolet absorber, a flame retardant, an antistatic agent, a lubricant, a plasticizer, and a nucleating agent. , A foaming agent, a coloring agent, a stabilizer, a coupling agent and the like.

【００１４】[0014]

【実施例】ポリアミド６とポリアミド６６の比率を変え
たポリアミド６／６６共重合体と無機充填材を溶融混練
し、以下の方法で評価を行った。EXAMPLES A polyamide 6/66 copolymer in which the ratio of polyamide 6 to polyamide 66 was changed and an inorganic filler were melt-kneaded and evaluated by the following method.

【００１５】テストピースの形状は図１に示した通り
で、全体としてはＡＳＴＭ Ｄ６３８の１号片形状であ
る。部品１と部品２の境界面が、射出溶着時に溶融接着
されることにより、一つのテストピースが得られる。The shape of the test piece is as shown in FIG. 1, and the test piece is a No. 1 piece of ASTM D638 as a whole. One test piece is obtained by fusing the interface between the part 1 and the part 2 at the time of injection welding.

【００１６】テストピースは図２の作成手順に従って作
成した。先ず、ＡＳＴＭ Ｄ６３８の１号片をつくる金
型に図１の部品２の形状の金属片をインサートして（図
２（１））、部品１の成形を行った（図２（２）、
（３））。部品１を十分に冷却した後金型内にインサー
トして（図２（４））、部品２の部分を成形することに
より（図２（５））、接合したテストピースを得た（図
２（６））。このテストピースの引張り強度をＡＳＴＭ
Ｄ６３８に準じて、境界面から剥離するか境界面以外
の部分で破壊する（基材破壊）までの最大引張り強度を
測定し、射出溶着強度として評価を行った。The test piece was prepared according to the preparation procedure shown in FIG. First, a metal piece having the shape of the part 2 of FIG. 1 was inserted into a mold for forming the first piece of ASTM D638 (FIG. 2 (1)), and the part 1 was molded (FIG. 2 (2)).
(3)). After the part 1 was sufficiently cooled, it was inserted into a mold (FIG. 2 (4)), and a part of the part 2 was molded (FIG. 2 (5)) to obtain a joined test piece (FIG. 2). (6)). ASTM
In accordance with D638, the maximum tensile strength until peeling from the boundary surface or breaking at a portion other than the boundary surface (substrate breakage) was measured and evaluated as injection welding strength.

【００１７】[0017]

【００１８】実施例１ ポリアミド６成分の含有量が２重量％のポリアミド６／
６６共重合体７０重量％とガラス繊維３０重量％を溶融
混練して、射出溶着用材料を得た。この材料の評価結果
を表１に示す。Example 1 Polyamide 6 containing 2% by weight of polyamide 6 /
70 wt% of 66 copolymer and 30 wt% of glass fiber were melt-kneaded to obtain an injection welding material. Table 1 shows the evaluation results of this material.

【００１９】実施例２ ポリアミド６成分の含有量が１５重量％のポリアミド６
／６６共重合体７０重量％とガラス繊維３０重量％を溶
融混練して、射出溶着用材料を得た。この材料の評価結
果を表１に示す。Example 2 Polyamide 6 having a polyamide 6 component content of 15% by weight
70% by weight of the / 66 copolymer and 30% by weight of glass fiber were melt-kneaded to obtain an injection welding material. Table 1 shows the evaluation results of this material.

【００２０】実施例３ ポリアミド６成分の含有量が２５重量％のポリアミド６
／６６共重合体７０重量％とガラス繊維３０重量％を溶
融混練して、射出溶着用材料を得た。この材料の評価結
果を表１に示す。Example 3 Polyamide 6 having a polyamide 6 component content of 25% by weight
70% by weight of the / 66 copolymer and 30% by weight of glass fiber were melt-kneaded to obtain an injection welding material. Table 1 shows the evaluation results of this material.

【００２１】比較例１ ポリアミド６ ７０重量％とガラス繊維３０重量％を溶
融混練して、射出溶着用材料を得た。この材料の評価結
果を表１に示す。Comparative Example 1 70% by weight of polyamide 6 and 30% by weight of glass fiber were melt-kneaded to obtain a material for injection welding. Table 1 shows the evaluation results of this material.

【００２２】比較例２ ポリアミド６６ ７０重量％とガラス繊維３０重量％を
溶融混練して、射出溶着用材料を得た。この材料の評価
結果を表１に示す。Comparative Example 2 70% by weight of polyamide 66 and 30% by weight of glass fiber were melt-kneaded to obtain a material for injection welding. Table 1 shows the evaluation results of this material.

【００２３】比較例３ ポリアミド１２ ７０重量％とガラス繊維３０重量％を
溶融混練して、射出溶着用材料を得た。この材料の評価
結果を表１に示す。Comparative Example 3 70% by weight of polyamide 12 and 30% by weight of glass fiber were melt-kneaded to obtain a material for injection welding. Table 1 shows the evaluation results of this material.

【００２４】実施例４ ポリアミド６成分の含有量が１５重量％のポリアミド６
／６６共重合体７０重量％とカオリン３０重量％を溶融
混練して、射出溶着用材料を得た。この材料の評価結果
を表１に示す。Example 4 Polyamide 6 having a polyamide 6 component content of 15% by weight
70% by weight of the / 66 copolymer and 30% by weight of kaolin were melt-kneaded to obtain an injection welding material. Table 1 shows the evaluation results of this material.

【００２５】比較例４ ポリアミド６ ７０重量％とカオリン３０重量％を溶融
混練して、射出溶着用材料を得た。この材料の評価結果
を表１に示す。Comparative Example 4 70% by weight of polyamide 6 and 30% by weight of kaolin were melt-kneaded to obtain a material for injection welding. Table 1 shows the evaluation results of this material.

【００２６】[0026]

【００２７】[0027]

【表１】 [Table 1]

【００２８】[0028]

【発明の効果】本発明において、ポリアミド６成分２〜
２５重量％とポリアミド６６成分９８〜７５重量％とか
らなるポリアミド６／６６共重合体に無機充填材を配合
することにより、射出溶着や封止成形に適した射出溶着
用材料が得られる。According to the present invention, the polyamide 6 component 2
By blending an inorganic filler with a polyamide 6/66 copolymer comprising 25% by weight and 98 to 75% by weight of a polyamide 66 component, an injection welding material suitable for injection welding and sealing molding can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

【図１】射出溶着性評価用テストピースの形状を表すも
のである。FIG. 1 shows the shape of a test piece for evaluating injection weldability.

【図２】射出溶着性評価用テストピースの作成手順を表
すものである。FIG. 2 shows a procedure for preparing a test piece for evaluating injection welding properties.

───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−105516（ＪＰ，Ａ) 特開 平５−205679（ＪＰ，Ａ) 特開 平５−104575（ＪＰ，Ａ) 特開 昭63−277851（ＪＰ，Ａ) 特開 平２−45646（ＪＰ，Ａ) 特開 平４−119808（ＪＰ，Ａ) 特開 平４−229232（ＪＰ，Ａ) 特開 平４−77554（ＪＰ，Ａ) 特開 昭62−246958（ＪＰ，Ａ) 特開 平６−246781（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) C08L 77/00 - 77/12 C08K 3/00 B29C 45/00,45/14 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-105516 (JP, A) JP-A-5-205679 (JP, A) JP-A-5-104575 (JP, A) JP-A-63-105 277851 (JP, A) JP-A-2-45646 (JP, A) JP-A-4-119808 (JP, A) JP-A-4-229232 (JP, A) JP-A-4-77554 (JP, A) JP-A-62-246958 (JP, A) JP-A-6-246781 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) C08L 77/00-77/12 C08K 3/00 B29C 45 / 00,45 / 14

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 （Ａ）ポリアミド６成分２〜２５重量％
とポリアミド６６成分９８〜７５重量％とからなるポリ
アミド共重合体４０〜９５重量％、および（Ｂ）無機充
填材５〜６０重量％を含む射出溶着用材料。(A) 2 to 25% by weight of a polyamide 6 component
An injection welding material comprising 40 to 95% by weight of a polyamide copolymer composed of 98 to 75% by weight of a polyamide 66 component and (B) 5 to 60% by weight of an inorganic filler.
JP07485195A 1995-03-31 1995-03-31 Injection welding material Expired - Fee Related JP3322062B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP07485195A JP3322062B2 (en) 1995-03-31 1995-03-31 Injection welding material
DE69622073T DE69622073T2 (en) 1995-03-31 1996-03-29 Use of polyamide resin compositions as material for injection molding welding
EP96302210A EP0735098B1 (en) 1995-03-31 1996-03-29 Use of polyamide resin compositions as injection welding material
US08/625,453 US5795931A (en) 1995-03-31 1996-03-29 Injection welding material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07485195A JP3322062B2 (en) 1995-03-31 1995-03-31 Injection welding material

Publications (2)

Publication Number Publication Date
JPH08337718A JPH08337718A (en) 1996-12-24
JP3322062B2 true JP3322062B2 (en) 2002-09-09

Family

ID=13559242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07485195A Expired - Fee Related JP3322062B2 (en) 1995-03-31 1995-03-31 Injection welding material

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US6541559B2 (en) 2000-05-24 2003-04-01 Ube Industries, Ltd. Polyamide resin composition showing excellent weld strength
JP4781219B2 (en) * 2006-10-02 2011-09-28 三菱エンジニアリングプラスチックス株式会社 Polyamide resin injection welded molding

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