JPH06200153A - Polyamide resin composition and illumination reflector composed of the composition - Google Patents
Polyamide resin composition and illumination reflector composed of the compositionInfo
- Publication number
- JPH06200153A JPH06200153A JP56693A JP56693A JPH06200153A JP H06200153 A JPH06200153 A JP H06200153A JP 56693 A JP56693 A JP 56693A JP 56693 A JP56693 A JP 56693A JP H06200153 A JPH06200153 A JP H06200153A
- Authority
- JP
- Japan
- Prior art keywords
- polyamide resin
- weight
- resin composition
- composition
- parts
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は優れた表面性、機械的強
度、耐熱性を有すると共に、反りが少なくしかも線膨脹
係数が小さいポリアミド樹脂組成物及びそれからなる照
明用リフレクターに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyamide resin composition having excellent surface properties, mechanical strength and heat resistance, and having a small warpage and a small coefficient of linear expansion, and a reflector for lighting comprising the same.
【０００２】[0002]
【従来の技術】近年、省エネルギー、環境汚染防止の立
場から自動車部品の軽量化、リサイクル使用の必要性が
増大し、これを実現する手段として各種部品の熱可塑性
樹脂による樹脂化が検討されている。この対象の一つと
して自動車部品（ヘッドライト、フォグランプなど）用
リフレクターがあり、従来の金属製またはＢＭＣ製部品
を樹脂化すべく検討がすすめられている。この用途では
光の反射のため、成形後アンダーコート剤を表面に塗布
・乾燥しアルミニウムを蒸着するが、優れた蒸着鏡面を
得るためには成形品表面の平滑性が優れている必要があ
る。またランプ点灯時、成形品の温度が上昇しても光線
の方向性を維持するためには、荷重撓み温度（ＨＤＴ）
が高くて耐熱性に優れるのみならず、反りが小さくしか
も線膨脹係数が小さいことが必要である。2. Description of the Related Art In recent years, from the standpoint of energy saving and prevention of environmental pollution, there is an increasing need to reduce the weight of automobile parts and to recycle them. As a means for achieving this, the use of thermoplastic resins for various parts has been studied. . One of the objects of this is reflectors for automobile parts (headlights, fog lamps, etc.), and studies are underway to replace conventional metal or BMC parts with resin. In this application, since the light is reflected, an undercoating agent is applied to the surface after forming and dried, and aluminum is vapor-deposited. However, in order to obtain an excellent vapor-deposited mirror surface, the surface of the molded article needs to be excellent in smoothness. When the lamp is turned on, the load deflection temperature (HDT) is required to maintain the directionality of the light rays even if the temperature of the molded product rises.
In addition to being high in heat resistance and excellent in heat resistance, it is necessary that the warpage is small and the linear expansion coefficient is small.
【０００３】リフレクターの樹脂化を目指して多くの熱
可塑性樹脂が検討されてきたが、上記のような厳しい条
件を克服できるものがないため、依然としてＢＭＣ製や
金属製部品が使用されている。Many thermoplastic resins have been studied with the aim of making the reflector a resin, but BMC or metal parts are still used because none of them can overcome the above-mentioned severe conditions.
【０００４】[0004]
【発明の目的】本発明は上述の事情を背景としてなされ
たものであり、その目的は優れた表面性、機械的強度、
耐熱性を有すると共に、反りが少なくしかも線膨脹係数
が小さいポリアミド樹脂組成物及びそれからなる照明用
リフレクターを提供することにある。SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and its objects are excellent surface property, mechanical strength,
It is an object of the present invention to provide a polyamide resin composition which has heat resistance, has a small amount of warpage and a small linear expansion coefficient, and a reflector for lighting comprising the same.
【０００５】[0005]
【発明の構成】本発明者らはナイロン４６樹脂に固有の
優れた耐熱性、機械的強度、成形性を保持したまま、良
好な表面性、低反り性、低線膨脹性を付与するため鋭意
研究した結果、本発明に到達した。The present inventors have been keen to provide good surface properties, low warpage and low linear expansion while maintaining the excellent heat resistance, mechanical strength and moldability inherent in nylon 46 resin. As a result of research, the present invention has been reached.
【０００６】本発明は、（Ａ１）ナイロン４６樹脂６０
〜９５重量％及び（Ａ２）キシリレンジアミンとα，ω
―直鎖脂肪族二塩基酸とから得られるポリアミド樹脂４
０〜５重量％からなるポリアミド樹脂混合体１００重量
部に対し、（Ｂ）粉末状強化材１５〜７５重量部及び
（Ｃ）繊維状強化材０〜１０重量部を配合してなるポリ
アミド樹脂組成物、並びにその樹脂組成物よりなる照明
用リフレクターである。The present invention relates to (A1) nylon 46 resin 60
~ 95 wt% and (A2) xylylenediamine and α, ω
-Polyamide resin 4 obtained from linear aliphatic dibasic acid 4
Polyamide resin composition obtained by mixing (B) 15 to 75 parts by weight of powdery reinforcing material and (C) 0 to 10 parts by weight of fibrous reinforcing material with 100 parts by weight of polyamide resin mixture consisting of 0 to 5% by weight. And a reflector for lighting comprising the resin composition thereof.
【０００７】以下本発明を詳述する。The present invention will be described in detail below.
【０００８】本発明の照明用リフレクターとは、光源か
ら発する光を所定の範囲、方向に効率的に反射するもの
であり、具体的な例としては店舗照明等の一般室内照明
用リフレクター及びヘッドライトやフォグランプ等の自
動車部品用のリフレクターが挙げられる。なかでも高度
の表面平滑性、耐熱性、光線の方向安定性を必要とする
自動車部品に適用した場合、本組成物の特徴が最も効果
的に発現する。The lighting reflector of the present invention efficiently reflects the light emitted from the light source in a predetermined range and direction. Specific examples include reflectors for general indoor lighting such as store lighting and headlights. And reflectors for automobile parts such as fog lights. Among them, the characteristics of the present composition are most effectively exhibited when applied to automobile parts that require high surface smoothness, heat resistance, and directional stability of light rays.
【０００９】本発明に用いられる（Ａ１）成分のナイロ
ン４６樹脂とは、酸成分としてアジピン酸またはその機
能誘導体を用い、アミン成分としてテトラメチレンジア
ミンまたはその機能誘導体を用いて縮合反応により得ら
れるポリアミドを主たる対象とするが、そのアジピン酸
成分またはテトラメチレンジアミン成分の一部を他の共
重合成分で置き換えたものでもよい。The component (A1) nylon 46 resin used in the present invention is a polyamide obtained by a condensation reaction using adipic acid or its functional derivative as the acid component and tetramethylenediamine or its functional derivative as the amine component. However, a part of the adipic acid component or the tetramethylenediamine component may be replaced with another copolymerization component.
【００１０】ナイロン４６樹脂の好ましい態様は特開昭
５６―１４９４３０号公報および特開昭５６―１４９４
３１号公報に記載されている。Preferred embodiments of nylon 46 resin are JP-A-56-149430 and JP-A-56-1494.
No. 31 publication.
【００１１】本発明で用いられるナイロン４６樹脂は、
ｍ―クレゾールを用い３５℃で測定した時の固有粘度が
０．８０〜１．９０、更には０．９０〜１．５０の範囲
にあることが望ましい。１．９０を超える固有粘度のナ
イロン４６樹脂を用いた場合には成形の際における流動
性が悪く、得られる成形品の外観の光沢が失われるのみ
ならず、その機械特性、熱特性のバラツキが大きくなる
ため好ましくない。一方０．８０よりも低い固有粘度で
は、成形品の機械的強度が小さくなる欠点を生ずる。The nylon 46 resin used in the present invention is
It is desirable that the intrinsic viscosity measured at 35 ° C. using m-cresol is in the range of 0.80 to 1.90, more preferably 0.90 to 1.50. When nylon 46 resin having an intrinsic viscosity of more than 1.90 is used, the fluidity at the time of molding is poor, the gloss of the appearance of the obtained molded product is lost, and the mechanical properties and thermal properties vary. It is not preferable because it becomes large. On the other hand, if the intrinsic viscosity is lower than 0.80, the mechanical strength of the molded product will be low.
【００１２】本発明に用いられる（Ａ２）成分のキシリ
レンジアミンとα，ω―直鎖脂肪族二塩基酸とから得ら
れるポリアミド樹脂とは、ｍ―キシリレンジアミン単
独、またはｍ―キシリレンジアミン６０重量％以上とｐ
―キシリレンジアミン４０重量％以下とからなるキシリ
レンジアミン混合物と、α，ω―直鎖脂肪族二塩基酸と
の重縮合反応により得られるポリアミド樹脂であり、
α，ω―直鎖脂肪族二塩基酸としては、炭素数６〜１２
のもの、例えばアジピン酸、セバシン酸、スベリン酸、
ウンデカンジカルボン酸、ドデカンジカルボン酸等が適
当である。なかでもｍ―キシリレンジアミンとアジピン
酸よりなるポリアミドが、本発明の効果を発現するには
最も好ましい。これらのポリアミドはナイロン４６より
結晶性が低く、表面を改良する効果がある上に、剛性の
向上効果および低反り化効果が顕著であり、しかも成形
性を損なうことがない。The polyamide resin obtained from (A2) component xylylenediamine and α, ω-straight chain aliphatic dibasic acid used in the present invention is m-xylylenediamine alone or m-xylylenediamine. 60% by weight or more and p
A polyamide resin obtained by polycondensation reaction of a xylylenediamine mixture consisting of 40% by weight or less of xylylenediamine and α, ω-linear aliphatic dibasic acid,
α, ω-straight chain aliphatic dibasic acid has 6 to 12 carbon atoms
Such as adipic acid, sebacic acid, suberic acid,
Undecanedicarboxylic acid, dodecanedicarboxylic acid and the like are suitable. Of these, a polyamide composed of m-xylylenediamine and adipic acid is the most preferable for exhibiting the effects of the present invention. These polyamides have a lower crystallinity than nylon 46 and have the effect of improving the surface, as well as the remarkable effect of improving the rigidity and the effect of reducing the warp, and do not impair the moldability.
【００１３】本発明における（Ａ１）及び（Ａ２）成分
の割合は、重量％比で９０〜９５：４０〜５である。
（Ａ２）成分はナイロン４６の優れた耐熱性、成形性を
保持したまま、良表面性、低反り性を付与し、線膨脹係
数を低くするための必須成分であり、その割合が５重量
％未満の場合には成形外観及び線膨脹係数の改良効果は
小さく、一方４０重量％を超える場合には成形外観及び
線膨脹係数は改善されるものの荷重撓み温度で表わされ
る耐熱性が低下してしまうので好ましくなく、更にナイ
ロン４６と融点の異なる成分が多量に含まれるため押出
が困難となる。The ratio of the components (A1) and (A2) in the present invention is 90 to 95:40 to 5 by weight.
The component (A2) is an essential component for imparting good surface properties and low warpage while maintaining the excellent heat resistance and moldability of nylon 46, and for lowering the linear expansion coefficient, and the proportion thereof is 5% by weight. If it is less than 40%, the effect of improving the molding appearance and linear expansion coefficient is small, while if it exceeds 40% by weight, the molding appearance and the linear expansion coefficient are improved, but the heat resistance represented by the deflection temperature under load decreases. Therefore, extrusion is difficult because a large amount of components having different melting points from those of nylon 46 are contained.
【００１４】本発明に用いる（Ｂ）成分の粉末状強化材
としては、カオリン、ワラストナイト、タルク、マイ
カ、炭酸カルシウム、ガラスフレークスなどが例示でき
る。これらの粉末状強化材のなかでは珪酸塩系のものが
好ましく、特に焼成カオリン、ワラストナイト、タルク
が有効である。さらにこれらの粉末状強化材はアミノシ
ランのようなシラン化合物を中心とするカップリング剤
で表面処理されていてもよい。かかる（Ｂ）成分の配合
量は、ナイロン４６樹脂及びキシリレンジアミンとα，
ω―直鎖脂肪族二塩基酸とから得られるポリアミド樹脂
からなるポリアミド樹脂混合体（Ａ）１００重量部に対
し１５〜７５重量部である。配合量が１５重量部未満の
場合には成形品が必要とするＨＤＴ、機械的強度が得ら
れず、また線膨脹係数の低下も不充分である。一方７５
重量部を超える場合には、平滑性が低下し表面性が悪く
なる。Examples of the powdery reinforcing material of the component (B) used in the present invention include kaolin, wollastonite, talc, mica, calcium carbonate, glass flakes and the like. Among these powdery reinforcing materials, silicate-based materials are preferable, and calcined kaolin, wollastonite, and talc are particularly effective. Further, these powdery reinforcing materials may be surface-treated with a coupling agent mainly containing a silane compound such as aminosilane. The blending amount of the component (B) is as follows: nylon 46 resin, xylylenediamine, α,
It is 15 to 75 parts by weight with respect to 100 parts by weight of a polyamide resin mixture (A) made of a polyamide resin obtained from ω-linear aliphatic dibasic acid. If the blending amount is less than 15 parts by weight, the HDT and mechanical strength required for the molded product cannot be obtained, and the linear expansion coefficient is not sufficiently lowered. Meanwhile, 75
When it exceeds the weight part, the smoothness is deteriorated and the surface property is deteriorated.
【００１５】本発明に用いる（Ｃ）成分の繊維状強化材
としては、ガラス繊維、アラミド繊維、カーボン繊維、
セラミック繊維、チタン酸カリウムウィスカー、ボロン
ウィスカーなどが例示でき、これら２種以上を組み合わ
せて使用することもできる。これらの繊維状強化材のな
かでは特にガラス繊維による強化が好ましく、ガラス繊
維としては一般に樹脂の強化用に用いられるものなら特
に限定はない。例えば短繊維状のチョップドストランド
やミルドファイバーがその例であり、これらは集束剤
（例えばポリウレタン系、ポリ酢酸ビニル系集束剤
等）、カップリング剤（例えばシラン化合物、ボラン化
合物等）、その他の表面処理剤で被覆されていてもよ
い。かかる（Ｃ）成分の配合量は、ポリアミド樹脂混合
体（Ａ）１００重量部に対し、０〜１０重量部である。
１０重量部を超える場合には線膨脹係数は改善されるも
のの表面平滑性が悪くなり好ましくない。As the fibrous reinforcing material of the component (C) used in the present invention, glass fiber, aramid fiber, carbon fiber,
Examples thereof include ceramic fibers, potassium titanate whiskers, boron whiskers, and the like, and two or more kinds of these can be used in combination. Among these fibrous reinforcing materials, glass fiber is particularly preferable, and the glass fiber is not particularly limited as long as it is generally used for reinforcing a resin. Examples include chopped strands and milled fibers in the form of short fibres, which include sizing agents (such as polyurethane-based and polyvinyl acetate-based sizing agents), coupling agents (such as silane compounds and borane compounds), and other surfaces. It may be coated with a treating agent. The blending amount of the component (C) is 0 to 10 parts by weight with respect to 100 parts by weight of the polyamide resin mixture (A).
When it exceeds 10 parts by weight, the linear expansion coefficient is improved but the surface smoothness is deteriorated, which is not preferable.
【００１６】本発明のポリアミド樹脂組成物には、必要
に応じて顔料その他の配合剤をその発現量添加してもよ
い。このような配合剤としては、熱安定剤、着色剤、酸
化防止剤、滑剤、紫外線吸収剤、帯電防止剤、難燃剤な
どが挙げられる。A pigment or other compounding agent may be added to the polyamide resin composition of the present invention in an expression amount, if necessary. Examples of such a compounding agent include a heat stabilizer, a colorant, an antioxidant, a lubricant, an ultraviolet absorber, an antistatic agent, and a flame retardant.
【００１７】本発明のポリアミド樹脂組成物は、各構成
成分を溶融状態に維持しながら充填材を配合するなどの
方法により調製することができる。この際、押出機、ニ
ーダーなどを用いることができる。またこのようにして
作られた成形用組成物は、充分乾燥された状態に保っ
て、通常の溶融成形法例えば射出成形法、押出成形法な
どにより成形に供される。The polyamide resin composition of the present invention can be prepared by a method of blending a filler while maintaining each component in a molten state. At this time, an extruder, a kneader or the like can be used. The molding composition thus prepared is kept in a sufficiently dried state and is then subjected to molding by a usual melt molding method such as an injection molding method or an extrusion molding method.
【００１８】[0018]
【実施例】以下、実施例により本発明を詳述する。な
お、実施例中の各種特性の測定は以下の方法による。 （１）静的強度：引張試験―ＡＳＴＭ Ｄ―６３８に準
拠。 曲げ試験―ＡＳＴＭ Ｄ―７９０に準拠。 （２）荷重撓み温度：ＡＳＴＭ Ｄ―６４８により荷重
２６４Ｐｓｉ、試験片厚み１／４インチにて測定。 （３）線膨脹係数：方向性を知るため、フイルムゲート
により３mm厚みの平板を成形し、流れ方向（ＭＤ）、直
角方向（ＴＤ）の試験片を切り出し、Ｄｕ Ｐｏｎｔ社
ＴＭＡ２９４０により測定（ＪＩＳ Ｋ７１９７に準
拠）。 （４）光沢度：成形した平板の６０度鏡面光沢度を村上
色彩技術研究所デジタル変角光沢計ＧＭ―３Ｄにより測
定（ＪＩＳ Ｋ７１０５に準拠）。 （５）表面平滑性：成形した平板に１液型アンダーコー
ト剤（ＶＢ藤倉化成製）をスプレーガンで塗布し、２３
０℃で３０分間乾燥後、アルミ蒸着を実施。蒸着面の表
面状態を以下の評価基準により目視評価する。評価基準 Ａ：蛍光灯を写した時、境界が鮮明に写る（ガラス鏡面
と同等） Ｂ：蛍光灯を写した時、境界の鮮明性がＡよりやや劣る Ｃ：蛍光灯を写した時、境界が線状に識別できるが滲み
が出る Ｄ：蛍光灯を写した時、境界がぼやけて不明確になる （６）固有粘度：ｍ―クレゾール溶液中３５℃にて測
定。EXAMPLES The present invention will be described in detail below with reference to examples. In addition, the measurement of various characteristics in the examples is performed by the following methods. (1) Static strength: Tensile test-based on ASTM D-638. Bending test-conforms to ASTM D-790. (2) Deflection temperature under load: Measured by ASTM D-648 under a load of 264 Psi and a test piece thickness of 1/4 inch. (3) Coefficient of linear expansion: In order to know the directionality, a flat plate having a thickness of 3 mm was formed by a film gate, test pieces in the machine direction (MD) and the perpendicular direction (TD) were cut out, and measured by Du Pont TMA2940 (JIS K7197). Compliant with). (4) Gloss: The 60-degree specular gloss of the molded flat plate was measured by Murakami Color Research Laboratory Digital Variable Angle Gloss Meter GM-3D (according to JIS K7105). (5) Surface smoothness: A one-pack type undercoat agent (manufactured by VB Fujikura Kasei) was applied to the molded flat plate with a spray gun, and
After drying for 30 minutes at 0 ° C, aluminum vapor deposition is performed. The surface condition of the vapor deposition surface is visually evaluated according to the following evaluation criteria. Evaluation Criteria A: The boundary is clearly visible when the fluorescent lamp is copied (equivalent to a glass mirror surface) B: The sharpness of the boundary is slightly inferior to A when the fluorescent lamp is transferred C: When the fluorescent lamp is copied, the boundary Can be distinguished linearly, but bleeding appears. D: When a fluorescent lamp is photographed, the boundary becomes blurred and unclear. (6) Intrinsic viscosity: measured in m-cresol solution at 35 ° C.
【００１９】[0019]
【実施例１〜８及び比較例１〜５】固有粘度１．２０の
ナイロン４６樹脂（ＳＴＡＮＹＬ，オランダ国ＤＳＭ社
製）、固有粘度１．３０のナイロンＭＸＤ６（ｍ―キシ
リレンジアミンとアジピン酸の塩よりオートクレーブを
用いて通常の方法により重合したもの）、焼成カオリン
（トランスリンク４４５、米国エンゲルハルト社製）、
ワラストナイト（ＣＨＣ―６２Ｎ―１０、林化成製）、
ガラスフレーク（ＲＥＥＧ―１０１、日本硝子繊維
（株）製）、タルク（ミクロンホワイト５０００Ａ、林
化成製）及び長さ３mmのチョップドストランドカットガ
ラス繊維（日本電気硝子（株）製）を表１、表２の配合
組成でベント付き二軸押出機（日本製鋼所製、ＴＥＸ４
４）にて３１０℃で押出し、ペレットを得た。なおこの
際、ガラス繊維はサイドフィードとした。またポリアミ
ドはいずれも配合に先立ち１１０℃、１０Ｔｏｒｒの減
圧下で８時間以上乾燥し、水分を０．１％以下とした。
さらにこのペレットを射出成形機（東芝機械製、ＩＳ７
５Ｅ）を用いてシリンダー温度２８０〜３１０℃、射出
圧力１０００kg／cm2 、保圧６００kg／cm2 、金型温度
１２０℃の条件で特性測定用のテストピース及び平板を
成形した。このテストピースを使用して、静的強度、荷
重撓み温度、線膨脹係数、光沢度を測定し、外観を観察
した。これらの結果を併せて表１、表２に示した。Examples 1 to 8 and Comparative Examples 1 to 5 Nylon 46 resin having an intrinsic viscosity of 1.20 (STANYL, manufactured by DSM, Netherlands), nylon MXD6 having an intrinsic viscosity of 1.30 (m-xylylenediamine and adipic acid) Polymerized from salt by an ordinary method using an autoclave), calcined kaolin (Translink 445, manufactured by Engelhardt, USA),
Wollastonite (CHC-62N-10, manufactured by Hayashi Kasei),
Glass flakes (REEG-101, made by Nippon Glass Fiber Co., Ltd.), talc (Micron White 5000A, made by Hayashi Kasei) and chopped strand cut glass fibers 3 mm long (made by Nippon Electric Glass Co., Ltd.) A twin-screw extruder with a bent composition of 2 (made by Japan Steel Works, TEX4
In 4), it was extruded at 310 ° C. to obtain pellets. At this time, the glass fiber was side-fed. Prior to compounding, all polyamides were dried at 110 ° C. under a reduced pressure of 10 Torr for 8 hours or more to have a water content of 0.1% or less.
Furthermore, the pellets are injected into an injection molding machine (TOSHIBA MACHINE, IS7
5E), a test piece and a flat plate for characteristic measurement were molded under the conditions of a cylinder temperature of 280 to 310 ° C., an injection pressure of 1000 kg / cm 2 , a holding pressure of 600 kg / cm 2 , and a mold temperature of 120 ° C. Using this test piece, static strength, deflection temperature under load, coefficient of linear expansion and glossiness were measured and the appearance was observed. The results are also shown in Tables 1 and 2.
【００２０】表１から明らかな如く、ナイロンＭＸＤ６
がない場合（比較例１）は表面平滑性が不良であり、線
膨脹係数も大きい。一方、多すぎる場合（比較例２）は
ＨＤＴが低くなる。また、焼成カオリンで代表される粉
末状強化材の量が少ない場合（比較例３）は、ＨＤＴが
低く機械的強度も不充分であり、一方多すぎる場合（比
較例４）は表面性が悪化する。特にガラス繊維の量が多
すぎる場合（比較例５）は表面性の悪化が顕著である。As is clear from Table 1, nylon MXD6
When there is no (Comparative Example 1), the surface smoothness is poor and the linear expansion coefficient is large. On the other hand, when the amount is too large (Comparative Example 2), the HDT becomes low. Further, when the amount of the powdery reinforcing material represented by calcined kaolin is small (Comparative Example 3), the HDT is low and the mechanical strength is insufficient, while when it is too large (Comparative Example 4), the surface property is deteriorated. To do. In particular, when the amount of glass fiber is too large (Comparative Example 5), the deterioration of the surface property is remarkable.
【００２１】これらの比較例に対し実施例１〜８では高
い強度、ＨＤＴを有し、線膨脹係数も低く、表面性に優
れた組成物を得ることができた。In Examples 1 to 8 as compared with these Comparative Examples, compositions having high strength and HDT, a low coefficient of linear expansion, and excellent surface properties could be obtained.
【００２２】[0022]
【表１】 [Table 1]
【００２３】[0023]
【表２】 [Table 2]
【００２４】[0024]
【実施例９】実施例３の配合組成のペレットを使用し、
射出成形機（日本製鋼所製、Ｊ４５０Ｅ）を用いて、シ
リンダー温度２７０〜３００℃、射出圧力９００kg／cm
2 、保圧５００kg／cm2 、金型温度１２０℃の条件でヘ
ッドランプリフレクターを成形した。全サイクル６０秒
間で支障なく成形でき優れた成形性を示した。表面性は
良好で、アンダーコート剤を塗布・乾燥後、アルミニウ
ムを蒸着したところ、表面平滑性は良好でＢランクであ
った。また、このリフレクターをヘッドランプに組み込
み照射テストをしたところ、経時昇温に伴う光線のブレ
はほとんどなく良好な結果を得た。Example 9 Using pellets having the composition of Example 3,
Using an injection molding machine (Japan Steel Works, J450E), cylinder temperature 270-300 ° C, injection pressure 900 kg / cm
2 , a headlamp reflector was molded under the conditions of a holding pressure of 500 kg / cm 2 and a mold temperature of 120 ° C. It was possible to perform molding without trouble in the entire cycle of 60 seconds, showing excellent moldability. The surface property was good, and after the undercoating agent was applied and dried, aluminum was vapor-deposited, and the surface smoothness was good and was B rank. Further, when this reflector was incorporated into a headlamp and an irradiation test was conducted, good results were obtained with almost no blurring of light rays due to temperature rise with time.
Claims (4)
量％及び（Ａ２）キシリレンジアミンとα，ω―直鎖脂
肪族二塩基酸とから得られるポリアミド樹脂４０〜５重
量％からなるポリアミド樹脂混合体１００重量部に対
し、（Ｂ）粉末状強化材１５〜７５重量部及び（Ｃ）繊
維状強化材０〜１０重量部を配合してなるポリアミド樹
脂組成物。1. A polyamide resin comprising 60 to 95% by weight of (A1) nylon 46 resin and 40 to 5% by weight of polyamide resin obtained from (A2) xylylenediamine and α, ω-linear aliphatic dibasic acid. A polyamide resin composition comprising 15 to 75 parts by weight of (B) a powdery reinforcing material and 0 to 10 parts by weight of a (C) fibrous reinforcing material with respect to 100 parts by weight of the mixture.
とアジピン酸より得られるポリアミド樹脂である請求項
１に記載のポリアミド樹脂組成物。2. The polyamide resin composition according to claim 1, wherein the component (A2) is a polyamide resin obtained from m-xylylenediamine and adipic acid.
ナイト、タルク及びガラスフレークより選ばれる少なく
とも１種である請求項１に記載のポリアミド樹脂組成
物。3. The polyamide resin composition according to claim 1, wherein the powdery reinforcing material is at least one selected from calcined kaolin, wollastonite, talc and glass flakes.
組成物からなる照明用リフレクター。4. A lighting reflector comprising the polyamide resin composition according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56693A JPH06200153A (en) | 1993-01-06 | 1993-01-06 | Polyamide resin composition and illumination reflector composed of the composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56693A JPH06200153A (en) | 1993-01-06 | 1993-01-06 | Polyamide resin composition and illumination reflector composed of the composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06200153A true JPH06200153A (en) | 1994-07-19 |
Family
ID=11477269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56693A Pending JPH06200153A (en) | 1993-01-06 | 1993-01-06 | Polyamide resin composition and illumination reflector composed of the composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH06200153A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003195020A (en) * | 2001-12-26 | 2003-07-09 | Otsuka Chemical Holdings Co Ltd | Reflector plate material for ultraviolet light generation source |
| WO2012053249A1 (en) | 2010-10-22 | 2012-04-26 | パナソニック株式会社 | Unsaturated polyester resin composition for use in led reflector, and led reflector and led luminaire using said composition |
| WO2012124426A1 (en) * | 2011-03-11 | 2012-09-20 | コニカミノルタオプト株式会社 | Method for manufacturing light emitting device and mixed phosphor solution |
| WO2013077238A1 (en) * | 2011-11-25 | 2013-05-30 | 東レ株式会社 | Resin composition, and pellet and molded product thereof |
-
1993
- 1993-01-06 JP JP56693A patent/JPH06200153A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003195020A (en) * | 2001-12-26 | 2003-07-09 | Otsuka Chemical Holdings Co Ltd | Reflector plate material for ultraviolet light generation source |
| WO2003055947A1 (en) * | 2001-12-26 | 2003-07-10 | Otsuka Chemical Co., Ltd. | Resin composition for reflecting plate |
| WO2012053249A1 (en) | 2010-10-22 | 2012-04-26 | パナソニック株式会社 | Unsaturated polyester resin composition for use in led reflector, and led reflector and led luminaire using said composition |
| WO2012124426A1 (en) * | 2011-03-11 | 2012-09-20 | コニカミノルタオプト株式会社 | Method for manufacturing light emitting device and mixed phosphor solution |
| JP5761330B2 (en) * | 2011-03-11 | 2015-08-12 | コニカミノルタ株式会社 | Method for manufacturing light emitting device and phosphor mixture |
| US9260654B2 (en) | 2011-03-11 | 2016-02-16 | Konica Minolta, Inc. | Manufacturing method for light emitting device and phosphor mixture |
| WO2013077238A1 (en) * | 2011-11-25 | 2013-05-30 | 東レ株式会社 | Resin composition, and pellet and molded product thereof |
| US10087327B2 (en) | 2011-11-25 | 2018-10-02 | Toray Industries, Inc. | Resin composition, and pellet and molded product thereof |
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