JPS63156856A - Polyamide resin molded article - Google Patents
Polyamide resin molded articleInfo
- Publication number
- JPS63156856A JPS63156856A JP30577286A JP30577286A JPS63156856A JP S63156856 A JPS63156856 A JP S63156856A JP 30577286 A JP30577286 A JP 30577286A JP 30577286 A JP30577286 A JP 30577286A JP S63156856 A JPS63156856 A JP S63156856A
- Authority
- JP
- Japan
- Prior art keywords
- glass fiber
- nylon
- length
- molded article
- molded
- 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
- 229920006122 polyamide resin Polymers 0.000 title claims description 8
- 239000003365 glass fiber Substances 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 16
- -1 polytetramethylene Polymers 0.000 claims abstract description 8
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011342 resin composition Substances 0.000 claims description 13
- 238000000465 moulding Methods 0.000 abstract description 18
- 241000479907 Devia <beetle> Species 0.000 abstract 1
- 238000013329 compounding Methods 0.000 abstract 1
- 229920003189 Nylon 4,6 Polymers 0.000 description 18
- 230000000704 physical effect Effects 0.000 description 11
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 229920002302 Nylon 6,6 Polymers 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- FACXGONDLDSNOE-UHFFFAOYSA-N buta-1,3-diene;styrene Chemical compound C=CC=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 FACXGONDLDSNOE-UHFFFAOYSA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- RLSSMJSEOOYNOY-UHFFFAOYSA-N m-cresol Chemical compound CC1=CC=CC(O)=C1 RLSSMJSEOOYNOY-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- UPZFLZYXYGBAPL-UHFFFAOYSA-N 2-ethyl-2-methyl-1,3-dioxolane Chemical compound CCC1(C)OCCO1 UPZFLZYXYGBAPL-UHFFFAOYSA-N 0.000 description 1
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004734 Polyphenylene sulfide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920007962 Styrene Methyl Methacrylate Polymers 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- GKXVJHDEWHKBFH-UHFFFAOYSA-N [2-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC=C1CN GKXVJHDEWHKBFH-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920005556 chlorobutyl Polymers 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- ADFPJHOAARPYLP-UHFFFAOYSA-N methyl 2-methylprop-2-enoate;styrene Chemical compound COC(=O)C(C)=C.C=CC1=CC=CC=C1 ADFPJHOAARPYLP-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ZETYUTMSJWMKNQ-UHFFFAOYSA-N n,n',n'-trimethylhexane-1,6-diamine Chemical compound CNCCCCCCN(C)C ZETYUTMSJWMKNQ-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002285 poly(styrene-co-acrylonitrile) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229920006163 vinyl copolymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【発明の詳細な説明】
ａ、産業上の利用分野
本発明はガラス繊維強化樹脂組成物に関するもので、さ
らに詳しくは平均長さが０．５ ｔｍ以上のガラス繊維
を特定の割合で配合し、これらの組成物より得られた成
形品中のガラス繊維長が平均０．０５〜０．６ ｍの範
囲である事を特徴とする耐熱性、耐薬品性、機械的特性
、電気的性質さらに成形収縮率、吸水性の寸法変化、そ
り変形量などの寸法安定性、成形外観の優れたガラス繊
維強化ポリアミド樹脂組成物に関するものである。DETAILED DESCRIPTION OF THE INVENTION a. Field of Industrial Application The present invention relates to a glass fiber reinforced resin composition, more specifically, it contains glass fibers having an average length of 0.5 tm or more in a specific proportion, Molded products obtained from these compositions have excellent heat resistance, chemical resistance, mechanical properties, electrical properties, and are characterized by glass fiber lengths ranging from 0.05 to 0.6 m on average. The present invention relates to a glass fiber-reinforced polyamide resin composition that is excellent in shrinkage rate, dimensional change in water absorption, dimensional stability such as amount of warpage, and excellent molded appearance.
ｂ、従来の技術
ポリテトラメチレンアジパミド樹脂（以下ナイロン４６
という）は優れた耐熱性、強靭性、耐薬品性、摺動特性
を有することから構造材料として各種用途への実用化が
期待されている。b. Conventional technology polytetramethylene adipamide resin (hereinafter referred to as nylon 46)
) has excellent heat resistance, toughness, chemical resistance, and sliding properties, so it is expected to be put to practical use as a structural material in a variety of applications.
しかしナイロン４６のガラス繊維強化樹脂はその樹脂中
に含有されるガラス繊維の繊維長によって機械的強度、
耐熱性、耐衝撃性、寸法安定性、成形外観、等が影響を
受ける事が明らかになっている。However, the mechanical strength of nylon 46 glass fiber reinforced resin depends on the fiber length of the glass fibers contained in the resin.
It has become clear that heat resistance, impact resistance, dimensional stability, molded appearance, etc. are affected.
一般にこれ等の性能を改善する方法として炭酸カルシウ
ム、酸化チタン、炭酸マグネシウム、ケイ酸、クレーな
どの無機粉末充填剤を添加する方法がよく用いられるが
、かかる方法をナイロン４６に適用すると、耐衝撃性お
よび加工性の低下を招き従って、ナイロン４６の耐衝撃
性や成形外観とを保持しながら剛性、耐熱性および寸法
安定性を同時に改善する方法は未だ見出さ′れていなか
った。In general, adding inorganic powder fillers such as calcium carbonate, titanium oxide, magnesium carbonate, silicic acid, and clay is often used to improve the performance of these materials, but when this method is applied to nylon 46, impact resistance Therefore, no method has yet been found to simultaneously improve the rigidity, heat resistance, and dimensional stability while maintaining the impact resistance and molded appearance of nylon 46.
Ｃ０発明が解決しようとする問題点
本発明者らはナイロン４６の上記問題を改良する為に鋭
意検討した結果ナイロン４６に特定のガラス繊維を混合
し、これらの組成物より得られた成形品のガラス繊維長
さが特定の範囲内にすることによって樹脂組成物の剛性
、耐熱性、寸法安定性、耐衝撃性および成形外観等の物
性バランスが優れる事を見出し本発明に到達した。Problems to be Solved by the C0 Invention The present inventors have conducted intensive studies to improve the above-mentioned problems of nylon 46. As a result, they have mixed specific glass fibers with nylon 46, and the molded products obtained from these compositions have been improved. The inventors have discovered that by setting the glass fiber length within a specific range, the resin composition has an excellent balance of physical properties such as rigidity, heat resistance, dimensional stability, impact resistance, and molded appearance, and has thus arrived at the present invention.
ｄ１問題点を解決するための手段
本発明は
ポリテトラメチレンアジパミド（ナイロン４６）２０〜
９０重量％
にガラス繊維 １０〜８０重量％を含有し
た組成物より得られた成形物中のガラス繊維長の平均長
さが０．０５〜０．６鶴、の範囲にあるように成形した
ポリアミド樹脂成形物を提供するものである。d1 Means for solving the problems The present invention uses polytetramethylene adipamide (nylon 46) 20~
A polyamide molded so that the average length of glass fibers in the molded product obtained from a composition containing 90% by weight and 10 to 80% by weight of glass fiber is in the range of 0.05 to 0.6. The present invention provides resin molded products.
本発明に用いるナイロン４６は下記式
％式％）
で示される繰り返し構造単位から実質的になるポリアミ
ドである。その製造法については例えば特開昭５６−１
４９４３０号、同５６−１４９４３１号、同５８−８３
０２９号、特開昭６０−２８８４３号などに述べられて
いる方法を挙げることができる。Nylon 46 used in the present invention is a polyamide consisting essentially of repeating structural units represented by the following formula (%). Regarding its manufacturing method, for example, JP-A-56-1
No. 49430, No. 56-149431, No. 58-83
Examples include methods described in Japanese Patent Application Laid-open No. 029 and Japanese Patent Application Laid-open No. 60-28843.
また本発明による樹脂組成物を得る為に１．５以上、好
ましくは２．５〜５．０の相対粘度（ηｒｅ１：３０℃
で９７％硫酸１０〇−中のポリマー１ｇの溶液で測定）
を有するナイロン４６を使用するのが有利である。なお
、本発明の組成物中のナイロン４６の使用役割は２０〜
９０重量％好ましくは３５〜８５重量％である。Further, in order to obtain the resin composition according to the present invention, the relative viscosity (ηre1: 30°C
(measured with a solution of 1 g of polymer in 100% 97% sulfuric acid)
Advantageously, nylon 46 is used. The role of nylon 46 in the composition of the present invention is 20~
90% by weight, preferably 35-85% by weight.
２０重量％未満では成形加工性、成形外観が著しく低下
し一方、９０重量％を超えると、耐衝撃性、剛性、耐熱
性、寸法安定性の改良が十分でなく好ましくない。If it is less than 20% by weight, molding processability and molded appearance will be significantly reduced, while if it exceeds 90% by weight, improvements in impact resistance, rigidity, heat resistance, and dimensional stability will not be sufficient.
３一
本発明に適用されるガラス繊維は熱可塑性樹脂や熱硬化
性樹脂の補強剤として一般に用いられているガラス繊維
のうち、直径３〜２０μｍ程度の連続長繊維のストラン
ドから作られたガラスチョツプドストランドで通常平均
長さがＱ、 ５ ｉｎ以上好ましくは１〜２０ｔｍ、さ
らに好ましくは２〜１０顛のものである。31 The glass fiber applied to the present invention is a glass fiber made from continuous long fiber strands with a diameter of about 3 to 20 μm, which are commonly used as reinforcing agents for thermoplastic resins and thermosetting resins. The average length of the strands is usually Q, 5 inches or more, preferably 1 to 20 tm, and more preferably 2 to 10 tm.
又、本発明で使用するガラス繊維の組成および製造方法
には特に制限はなく上記形状のものであればいかなるも
のでもよいが好ましくは脂肪族系の表面処理剤で処理し
たものを用いるとベレット化時に起こる熱劣化によるベ
レットの着色の問題が改善され、一段とすぐれた品質も
のが得られる。Furthermore, there are no particular limitations on the composition and manufacturing method of the glass fiber used in the present invention, and it may be of any shape as long as it has the above shape, but it is preferable to use one that has been treated with an aliphatic surface treatment agent to form a pellet. The problem of discoloration of pellets that sometimes occurs due to thermal deterioration is improved, and even better quality products can be obtained.
なお、本発明で使用するガラス繊維の平均の長さが０．
５１Ｎｍより短いとナイロン４６の耐衝撃性、耐熱性、
剛性、寸法安定性の改良が十分でなく好ましくない。Note that the average length of the glass fibers used in the present invention is 0.
If it is shorter than 51Nm, the impact resistance and heat resistance of nylon 46,
Improvements in rigidity and dimensional stability are not sufficient and are not preferred.
本発明のポリアミド樹脂組成物においてガラス繊維の使
用量は重量組成比で１０〜８０重量％好ましくは１５〜
６０重量さらに好ましくは１５〜５０重量％である。ガ
ラス繊維の配合量が１０重量％未満であると耐衝撃性、
耐熱性、剛性、寸法安定性の改良効果が小さく、また８
０重量％を越えると成形加工性や成形外観が低下する。In the polyamide resin composition of the present invention, the amount of glass fiber used is 10 to 80% by weight, preferably 15 to 80% by weight.
60% by weight, more preferably 15 to 50% by weight. When the amount of glass fiber blended is less than 10% by weight, impact resistance,
The effect of improving heat resistance, rigidity, and dimensional stability is small, and
If it exceeds 0% by weight, molding processability and molded appearance deteriorate.
本発明の成形物はこれ等の組成物を用いて射出成形条件
を種々、調節することにより得られた成形物であり、該
成形物中のガラス繊維長が平均で０．０５〜０．６鶴、
好ましくは０．１〜０．４Ｎのものである。また、標準
偏差で０．１〜０．５ ｍであることが好ましく、更に
好ましくは０．１〜０．３鶴のものである。The molded product of the present invention is a molded product obtained by adjusting various injection molding conditions using these compositions, and the glass fiber length in the molded product is 0.05 to 0.6 on average. crane,
Preferably it is 0.1-0.4N. Further, the standard deviation is preferably 0.1 to 0.5 m, more preferably 0.1 to 0.3 m.
また成形物中のガラス繊維の長さ／直径の比（アスＪ）
地）は３〜５０が好ましく、更に好ましくは５〜４０、
特に好ましくは１０〜３０である。Also, the length/diameter ratio of glass fibers in the molded product (as J)
) is preferably 3 to 50, more preferably 5 to 40,
Particularly preferably 10-30.
成形物中のガラス繊維長が平均で０．０５ｍｍより短い
とナイロン４６の耐衝撃性、剛性、寸法安定性の改良が
十分でなく好ましくない。また０、 ６ ＊＊以上であ
ると成形外観が低下する。If the glass fiber length in the molded product is shorter than 0.05 mm on average, the impact resistance, rigidity, and dimensional stability of nylon 46 will not be sufficiently improved, which is not preferable. Moreover, when it is 0.6** or more, the molded appearance deteriorates.
さらに成形物中のガラス繊維長の標準偏差はＯ１）鶴よ
り小さいと耐衝撃性、剛性、耐熱性、寸法安定性などと
成形品の表面外観との物性バランスがくずれ好ましくな
い。又、０．５ ＊＊をこえた場合も上記物性バランス
がくずれ目的とする成形物が得られ難い。Further, if the standard deviation of the glass fiber length in the molded product is smaller than O1), the physical properties such as impact resistance, rigidity, heat resistance, dimensional stability, etc. and the surface appearance of the molded product will be unbalanced, which is not preferable. Moreover, if it exceeds 0.5**, the above-mentioned balance of physical properties will be disrupted and it will be difficult to obtain the desired molded product.
成形物中のガラス繊維の寸法を本発明の範囲内に調整す
る方法としては成形時の射出速度、スクリューの回転、
成形温度の成形条件、成形金型のゲートサイズ等を適宜
調整することで目的の寸法とすることができる。Methods for adjusting the dimensions of the glass fibers in the molded product within the scope of the present invention include injection speed during molding, screw rotation,
The desired dimensions can be achieved by appropriately adjusting the molding conditions such as molding temperature, the gate size of the molding die, etc.
本発明に用いるポリアミド樹脂組成物には必要に応じて
他の添加剤として例えば安定剤、滑剤、充填剤、発泡剤
および発泡助剤、帯電防止剤、歎燃剤、着色剤などを使
用することは自由である。Other additives such as stabilizers, lubricants, fillers, foaming agents and foaming aids, antistatic agents, repellents, colorants, etc. may be used in the polyamide resin composition used in the present invention as necessary. Be free.
また、カーボン繊維、各種ウィスカー、マイカ、タルク
、炭酸カルシウム等の充てん剤を適宜添加して使用する
ことができる。これらの充てん剤を配合することにより
、ひけ、そりなどの物性を改良することもできる。Further, fillers such as carbon fibers, various whiskers, mica, talc, calcium carbonate, and the like can be appropriately added and used. By blending these fillers, it is also possible to improve physical properties such as sink marks and warpage.
その他必要に応じて、下記に示すポリマー成分を含有す
ることができる。たとえばポリブタジェン、ブタジェン
−スチレン共重合体、アクリルゴムエチレン−プロピレ
ン重合体、ＥＰＤＭ、スチレン−ブタジェンブロック共
重合体、スチレン−ブタジェン−スチレンブロック重合
体、スチレンーブタジエンースチレンラジアルテレブロ
ック重合体、ポリプロピレン、ブタジェン−アクリロニ
トリル共重合体、ＡＢＳ樹脂、ＡＢＳ樹脂、ポリ塩化ビ
ニル、ポリカーボネート、スチレン−アクリロニトリル
共重合体、ＰＥＴ、ＰＢＴ、ポリアセタール、アポキシ
樹脂、ポリフッ化ビニリデン、ポリスルフォン、エチレ
ン−酢酢ビニル共重合体、ポリイソプレン、天然ゴム、
塩素化ブチルゴム、塩素化ポリエチレン、ＰＰＳ樹脂、
ポリエーテル、エーテルケトン、ＰＰＯ樹脂、スチレン
−メタクリル酸メチル共重合体、スチレン−無水マイレ
ン酸共重合体などである。また本発明の樹脂組成物に必
要に応じてナイロン４６以外の他のポリアミドを併用し
てもよい。Other polymer components shown below may be contained as necessary. For example, polybutadiene, butadiene-styrene copolymer, acrylic rubber ethylene-propylene polymer, EPDM, styrene-butadiene block copolymer, styrene-butadiene-styrene block polymer, styrene-butadiene-styrene radial teleblock polymer, polypropylene , butadiene-acrylonitrile copolymer, ABS resin, ABS resin, polyvinyl chloride, polycarbonate, styrene-acrylonitrile copolymer, PET, PBT, polyacetal, apoxy resin, polyvinylidene fluoride, polysulfone, ethylene-acetic acid vinyl copolymer Combined, polyisoprene, natural rubber,
Chlorinated butyl rubber, chlorinated polyethylene, PPS resin,
These include polyether, ether ketone, PPO resin, styrene-methyl methacrylate copolymer, styrene-maleic anhydride copolymer, and the like. Further, polyamides other than nylon 46 may be used in combination with the resin composition of the present invention, if necessary.
たとえばナイロン６、ナイロン６６、ナイロン６．１０
、テレフタル酸とトリメチルへキサメチレンジアミンの
共重合体、ポリ （メタキシリレンアジパミド）などの
キシリレンジアミンと脂肪族カルボン酸の共重合体など
である。For example, nylon 6, nylon 66, nylon 6.10
, copolymers of terephthalic acid and trimethylhexamethylene diamine, and copolymers of xylylene diamine and aliphatic carboxylic acids such as poly(methaxylylene adipamide).
本発明はその優れた性質を有することから、自動車エン
ジンカバー、サイレンサーブレーキマスターシリンダー
、エアダクト、各種外装、ＶＴＲ用コネクター、光フア
イバーコネクターなどのコネクター、ドアハンドル、ベ
アリングリテーナ−、チェーンテンショナーブレーキレ
バー、窓枠断熱フレーム、マグネットスイッチ、ラジェ
タータンク、スプロケットホイル、ウィンドサーフィン
部品、釣具部品などの成形品を提供できる。Due to its excellent properties, the present invention can be used for automobile engine covers, silencer brake master cylinders, air ducts, various exteriors, VTR connectors, connectors such as optical fiber connectors, door handles, bearing retainers, chain tensioner brake levers, windows, etc. We can provide molded products such as frame insulation frames, magnetic switches, radiator tanks, sprocket foils, windsurfing parts, fishing gear parts, etc.
ｅ、実施例
実施例１〜３
直径約１３μｍの連続長繊維のストランドから作られた
平均の長さ３ｍ＋＋のチョソブドスＩ・ランド（旭ファ
イバーグラス■製０３−ＭＡ−ＦＴＺ）とナイロン４６
を表−１に示した割合で同時にタンブラ−で混合し、次
に押出機を用いて３００〜３３０℃のシリンダ一温度条
件で溶融混合した。e, Examples Examples 1 to 3 Chosobdos I Land (03-MA-FTZ manufactured by Asahi Fiberglass ■) and nylon 46 with an average length of 3 m++ made from strands of continuous long fibers with a diameter of about 13 μm
were simultaneously mixed in a tumbler in the proportions shown in Table 1, and then melt-mixed using an extruder at a cylinder temperature of 300 to 330°C.
その混合物を射出成形機により次の条件で成形し、テス
トピースを作製した。The mixture was molded using an injection molding machine under the following conditions to produce a test piece.
（成形条件）
シリンダ一温度 ２９０〜３２０℃
金型温度 ８０〜１２０℃
射出圧力 １００〜８００ｋｇ／ｃｏ！射出時間
１〜５ｓｅｃ
冷却時間 １０〜５０ｓｅｃ
スクリユ一回転 ５０〜２５０ｒｐｍゲートサイズ
０．５ Ｘ ２． Ｑ ｘｒｈ〜１．７ Ｘ ３．８
ｎランナーサイズ ８１ｍ
日積プラスチック株式会社製ＰＳ４０Ｅ型射出成型機
得られたテストピースについて下記の評価方法で各物性
の評価を行ない表−１に示す結果を得た。(Molding conditions) Cylinder temperature 290~320℃ Mold temperature 80~120℃ Injection pressure 100~800kg/co! Injection time 1~5sec Cooling time 10~50sec One revolution of screw 50~250rpm Gate size
0.5 x 2. Q xrh~1.7 x 3.8
n Runner size: 81 m PS40E injection molding machine manufactured by Nisseki Plastics Co., Ltd. The obtained test piece was evaluated for each physical property using the following evaluation method, and the results shown in Table 1 were obtained.
表−１に示した結果から本発明の成形品は本発明の目的
とする物性のものが得られていることがねかった。From the results shown in Table 1, it was found that the molded article of the present invention had the physical properties targeted by the present invention.
（評価方法）
■荷重たわみ温度（ＨＤＴ）：ＡＳＴＭ Ｄ６４８荷
重１８．６ ｋｍ／ａｎ？ アニールなし■曲げ強度
、曲げ弾性率 ：ＡＳＴＭ Ｄ７９０曲げ速度 １５
ｉｏｍ／ｍｉｎ
■アイゾツト衝撃強度： ＡＳＴＭ Ｄ２５６２３
℃ ノツチ付
■成形収縮率：成形后２４Ｈｒ后の流れ方向の寸法変化
を測定した。(Evaluation method) ■Load deflection temperature (HDT): ASTM D648 load 18.6 km/an? No annealing ■Bending strength, bending modulus: ASTM D790 bending speed 15
iom/min ■Izotsu impact strength: ASTM D25623
℃ Notched ■ Molding shrinkage rate: The dimensional change in the flow direction was measured 24 hours after molding.
テストピース１／２ ” ｘ１／８″×５″■成形外観
：厚み１．６鶴の配向プレートの外観を目視評価した。Test piece 1/2" x 1/8" x 5" ■ Molding appearance: The appearance of the orientation plate with a thickness of 1.6 mm was visually evaluated.
。 ■＝光沢があり表面が平滑である。. ■ = Glossy and smooth surface.
○：光沢はやや劣るが表面は平滑である。○: The gloss is slightly inferior, but the surface is smooth.
△：光沢はなく表面がややザラザラしている。△: There is no gloss and the surface is slightly rough.
×：光沢もなく表面はザラザラである。×: There is no luster and the surface is rough.
■成形中のガラス繊維長：ｍ−クレゾール溶液（５％濃
度）で溶解したポリマー溶液をガラス板上にのせて、溶
媒を風乾した後、光学顕微鏡で写真撮影し、１５０〜２
００本のガラス繊維についてその長さを測定した。■Glass fiber length during molding: A polymer solution dissolved in m-cresol solution (5% concentration) was placed on a glass plate, the solvent was air-dried, and a photograph was taken with an optical microscope.
The length of 00 glass fibers was measured.
比較例１．２
実施例１で使用したガラス繊維、ナイロン４６を用いて
、表−１に示した組成比率で樹脂組成物を調整し、その
物性を実施例１を同様の方法で評価した。その結果を表
−１に示した。Comparative Example 1.2 Using the glass fibers and nylon 46 used in Example 1, a resin composition was prepared at the composition ratio shown in Table 1, and its physical properties were evaluated in the same manner as in Example 1. The results are shown in Table-1.
比較例１はガラス繊維を含有しない本発明の範囲外の成
形物であり耐熱性、剛性、耐衝撃性、寸法安定性がとも
に十分でない。比較例２はガラス繊維量が本発明の範囲
を越えている組成物を用いたものであり成形加工性や成
形外観が劣る。Comparative Example 1 is a molded product that does not contain glass fiber and is outside the scope of the present invention, and has insufficient heat resistance, rigidity, impact resistance, and dimensional stability. Comparative Example 2 uses a composition in which the amount of glass fiber exceeds the range of the present invention, and the molding processability and molded appearance are poor.
比較例３．４
実施例１で使用したガラス繊維、ナイロン４６を用いて
実施例３と同様な組成比率で樹脂組成物を調整し、成形
条件（ゲートサイズ、射出速度スクリュー回転数、成形
温度等）を変えて成形を行なった。これ等の成形品（１
／８″×１）５”×５”ＵＬバー。サイドゲート）を用
いて実施例１と同様の方法で評価を行ない表−１に結果
を示した。Comparative Example 3.4 A resin composition was prepared using the glass fiber and nylon 46 used in Example 1 at the same composition ratio as in Example 3, and molding conditions (gate size, injection speed, screw rotation speed, molding temperature, etc.) were prepared. ) was used for molding. These molded products (1
/8'' x 1) 5'' x 5'' UL bar (side gate) was evaluated in the same manner as in Example 1, and the results are shown in Table 1.
比較例３．４は成形物中のガラス繊維長が本発明の範囲
外の成形物であり、剛性、耐衝撃性、成形収縮率と成形
外観との物性バランスが悪く好ましくない。Comparative Examples 3 and 4 are molded products in which the length of glass fibers in the molded products are outside the range of the present invention, and the physical properties of rigidity, impact resistance, molding shrinkage rate, and molded appearance are unbalanced, making them unfavorable.
比較例５
比較例５の成形品は実施例３と同様の組成比であるがナ
イロン４６の代りにナイロン６６（東し■製アミランＣ
Ｍ３００６）を使用した場合であり、剛製、耐熱製、耐
衝撃部、寸法安定製および成形外観などが劣り、目的と
する物性が得られなかった。Comparative Example 5 The molded product of Comparative Example 5 had the same composition ratio as Example 3, but instead of nylon 46, nylon 66 (Amilan C manufactured by Toshi) was used.
M3006) was used, and the desired physical properties were not obtained due to poor rigidity, heat resistance, impact resistance, dimensional stability, and molded appearance.
ｆ９発明の効果
本発明のポリアミド樹脂組成物は特定のガラス繊維長の
ガラス繊維をナイロン４６に配合し、ある特定の成形条
件にて成形することにより成形品中のガラス繊維長があ
る特定の範囲内にある事により剛性、耐衝撃性、寸法安
定性、耐熱性と成形外観の物性バランスを有した樹脂組
成物を得ることができる。f9 Effects of the Invention The polyamide resin composition of the present invention blends glass fibers with a specific glass fiber length into nylon 46 and molds them under specific molding conditions, so that the glass fiber length in the molded product is within a specific range. By having the above-mentioned properties within the range, it is possible to obtain a resin composition having a well-balanced physical property of rigidity, impact resistance, dimensional stability, heat resistance, and molded appearance.
したがって本発明のポリアミド樹脂組成物は優れた物性
バランスを有することから高度の品質を要求される自動
車の外装部品、内装部品、電気：電子分野の各種部品な
どの成形品を提供するもので産業上の利用価値は極めて
大きい。Therefore, since the polyamide resin composition of the present invention has an excellent balance of physical properties, it can be used for molded products such as automotive exterior parts, interior parts, and various parts in the electric/electronic field that require a high level of quality. The utility value of is extremely large.
Claims (2)
物中のガラス繊維長さが平均で０．０５〜０．６ｍｍの
範囲にあることを特徴とするポリアミド樹脂成形物。(1) 20 to 90% by weight of polytetramethylene adipamide and 10 to 80% by weight of glass fiber are contained, and the glass fiber length in the molded product obtained from these compositions is 0.05% on average. A polyamide resin molded article characterized in that the thickness is in the range of ~0.6 mm.
〜０．５ｍｍである特許請求の範囲第（１）項記載のポ
リアミド樹脂組成物。(2) The standard deviation of the length of glass fibers in the molded product is 0.1
The polyamide resin composition according to claim (1), which has a thickness of 0.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61305772A JPH0822947B2 (en) | 1986-12-22 | 1986-12-22 | Polyamide resin molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61305772A JPH0822947B2 (en) | 1986-12-22 | 1986-12-22 | Polyamide resin molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63156856A true JPS63156856A (en) | 1988-06-29 |
| JPH0822947B2 JPH0822947B2 (en) | 1996-03-06 |
Family
ID=17949158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61305772A Expired - Lifetime JPH0822947B2 (en) | 1986-12-22 | 1986-12-22 | Polyamide resin molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0822947B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1010726A1 (en) * | 1998-12-18 | 2000-06-21 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyamide resin composition and molded articles |
| US6191207B1 (en) | 1997-06-19 | 2001-02-20 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyamide resin composition and molded articles |
| JP2015054916A (en) * | 2013-09-11 | 2015-03-23 | 旭化成ケミカルズ株式会社 | Polyamide resin composition and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6381109B2 (en) * | 2014-03-25 | 2018-08-29 | 東レ・デュポン株式会社 | Aromatic polyamide short fiber for rubber reinforcement |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61188457A (en) * | 1985-02-15 | 1986-08-22 | Asahi Chem Ind Co Ltd | Polyamide resin composition for thin-wall molding |
| JPS61278561A (en) * | 1985-06-04 | 1986-12-09 | Ube Ind Ltd | Short glass fiber-filled polyamide composition and plated molding |
-
1986
- 1986-12-22 JP JP61305772A patent/JPH0822947B2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61188457A (en) * | 1985-02-15 | 1986-08-22 | Asahi Chem Ind Co Ltd | Polyamide resin composition for thin-wall molding |
| JPS61278561A (en) * | 1985-06-04 | 1986-12-09 | Ube Ind Ltd | Short glass fiber-filled polyamide composition and plated molding |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6191207B1 (en) | 1997-06-19 | 2001-02-20 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyamide resin composition and molded articles |
| EP1010726A1 (en) * | 1998-12-18 | 2000-06-21 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyamide resin composition and molded articles |
| CN1112407C (en) * | 1998-12-18 | 2003-06-25 | 旭化成株式会社 | Polyamide resin composition and its molded articles |
| JP2015054916A (en) * | 2013-09-11 | 2015-03-23 | 旭化成ケミカルズ株式会社 | Polyamide resin composition and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0822947B2 (en) | 1996-03-06 |
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