JPH01203457A - Thermoplastic resin composition - Google Patents
Thermoplastic resin compositionInfo
- Publication number
- JPH01203457A JPH01203457A JP2701388A JP2701388A JPH01203457A JP H01203457 A JPH01203457 A JP H01203457A JP 2701388 A JP2701388 A JP 2701388A JP 2701388 A JP2701388 A JP 2701388A JP H01203457 A JPH01203457 A JP H01203457A
- Authority
- JP
- Japan
- Prior art keywords
- pref
- metal salt
- copolymerized
- resin
- weight
- 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
- 239000011342 resin composition Substances 0.000 title claims description 8
- 229920005992 thermoplastic resin Polymers 0.000 title claims description 7
- 229920005668 polycarbonate resin Polymers 0.000 claims abstract description 17
- 239000004431 polycarbonate resin Substances 0.000 claims abstract description 17
- -1 polybutylene terephthalate Polymers 0.000 claims abstract description 16
- 229920001225 polyester resin Polymers 0.000 claims abstract description 15
- 239000004645 polyester resin Substances 0.000 claims abstract description 15
- 229920001707 polybutylene terephthalate Polymers 0.000 claims abstract description 14
- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- YZTJKOLMWJNVFH-UHFFFAOYSA-N 2-sulfobenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O YZTJKOLMWJNVFH-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 150000003839 salts Chemical class 0.000 claims abstract description 11
- 159000000000 sodium salts Chemical class 0.000 claims abstract description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 abstract description 4
- 229920005989 resin Polymers 0.000 abstract description 4
- 239000011347 resin Substances 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 4
- 229930185605 Bisphenol Natural products 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 abstract description 2
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 239000004088 foaming agent Substances 0.000 abstract description 2
- 239000000314 lubricant Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000003381 stabilizer Substances 0.000 abstract description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract 1
- 239000004615 ingredient Substances 0.000 abstract 1
- 229920001748 polybutylene Polymers 0.000 abstract 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012778 molding material Substances 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000008188 pellet Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 125000004203 4-hydroxyphenyl group Chemical group [H]OC1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000004419 Panlite Substances 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- XMQYIPNJVLNWOE-UHFFFAOYSA-N dioctyl hydrogen phosphite Chemical compound CCCCCCCCOP(O)OCCCCCCCC XMQYIPNJVLNWOE-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は成形性、耐膏撃性、耐熱性、耐薬品性に優れた
ポリカーボネート樹脂とポリエステル樹脂とからなる熱
可塑性樹脂組成物に関するものである。Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a thermoplastic resin composition comprising a polycarbonate resin and a polyester resin, which have excellent moldability, plaster resistance, heat resistance, and chemical resistance. be.
（従来の技術）
ポリカーボネート樹脂は優れた耐衝撃性と耐熱性を有す
る成形材料として広く用いられているが、溶融粘度が高
く成形性が十分でない。またポリエステル樹脂、就中ポ
リブチレンテレフタレートは成形性に優れ、しかも耐薬
品性、耐摩耗性９機械的特性も良好であり、機械部品、
電気部品等に広く用いられている。しかしながら、この
ポリブチレンテレフタレートは結晶性が大きく、成形加
工に於ける寸法精度が十分でなく、また耐衝撃性。(Prior Art) Polycarbonate resin is widely used as a molding material having excellent impact resistance and heat resistance, but its melt viscosity is high and moldability is insufficient. In addition, polyester resins, especially polybutylene terephthalate, have excellent moldability, chemical resistance, abrasion resistance, and mechanical properties.
Widely used in electrical parts, etc. However, this polybutylene terephthalate has high crystallinity, does not have sufficient dimensional accuracy during molding, and has poor impact resistance.
耐熱性も悪い。これらの問題点を解決する為に、ポリブ
チレンテレフタレートはガラス繊維等の補強材を配合し
て使用されることが多いが、成形品の外観が悪くなると
いう問題点が新たに生じる。Heat resistance is also poor. In order to solve these problems, polybutylene terephthalate is often mixed with a reinforcing material such as glass fiber, but a new problem arises in that the appearance of the molded product becomes poor.
このような問題点を解決する為に、数多くの提案が為さ
れている。例えば特公昭８６−１４０８５号公報や特開
昭４９−１０７８５４号公報には、ポリカーボネート樹
脂とポリエステル樹脂を混合することが開示されており
、更に特開昭４９−４１４４２号公報では、ブタジェン
系グラフト共重合体を、特開昭５８−９８５１号公報で
はポリウレタンを、また特公昭５４−８７６８２号公報
ではビニル系グラフト重合体とリン化合物をこれらの混
合物に対し配合することが提案されている。Many proposals have been made to solve these problems. For example, Japanese Patent Publication No. 86-14085 and Japanese Patent Application Laid-Open No. 49-107854 disclose mixing polycarbonate resin and polyester resin, and Japanese Patent Application Publication No. 49-41442 discloses that a butadiene-based graft is mixed with a polyester resin. It has been proposed to blend a polymer into a mixture of these, such as polyurethane in JP-A-58-9851, and a vinyl graft polymer and a phosphorus compound in JP-B-54-87682.
（発明が解決しようとする問題点）
ポリブチレンテレフタレートの問題点、即ち耐熱性と耐
衝撃性及びポリカーボネート樹脂の成形性、耐薬品性を
改善する目的で前述の種々の方法が提案されているが、
ポリブチレンテレフタレートとポリカーボネート樹脂の
混合組成物の場合は、成形性と耐熱性、耐衝撃性のバラ
ンスが悪く、また寸法精度も十分でないという欠点を有
する。−方、この混合組成物に更にゴム成分を配合した
ものは、耐衝撃性は改善されるが、耐熱性は十分でなく
、また成形品表面層が剥離しやすいという問題点を有す
る。(Problems to be Solved by the Invention) The various methods described above have been proposed for the purpose of improving the problems of polybutylene terephthalate, namely heat resistance and impact resistance, moldability of polycarbonate resin, and chemical resistance. ,
Mixed compositions of polybutylene terephthalate and polycarbonate resins have drawbacks such as poor balance between moldability, heat resistance, and impact resistance, and insufficient dimensional accuracy. - On the other hand, when this mixed composition is further blended with a rubber component, the impact resistance is improved, but the heat resistance is insufficient and the surface layer of the molded product is liable to peel off.
（問題点を解決するための手段）
本発明者らは、か＼る従来技術の有する問題点を解決す
べく鋭意研究した結果、ポリカーボネート樹脂にスルホ
イソフタル酸の金属塩を共重合したポリブチレンテレフ
タレート樹脂を配合すれば、成形性、耐熱性、耐衝撃性
及び寸法精度が著しく改善されることを見出し、本発明
を完成した。(Means for Solving the Problems) As a result of intensive research to solve the problems of the prior art, the present inventors have developed polybutylene terephthalate, which is a polycarbonate resin copolymerized with a metal salt of sulfoisophthalic acid. The present invention was completed based on the discovery that moldability, heat resistance, impact resistance, and dimensional accuracy can be significantly improved by adding a resin.
即ち本発明は、ポリカーボネート樹脂１０〜９０重量％
及びポリエステル樹脂１０〜９０重量％よりなる熱可塑
性樹脂組成物において、該ポリエステル樹脂がスルホイ
ソフタル酸の金属塩を０．５〜１０モル％共重合され、
かつ主鎖の少なくとも８０モル％がポリブチレンテレフ
タレートであることを特徴とする熱可塑性樹脂組成物よ
りなるものである。That is, in the present invention, the polycarbonate resin is 10 to 90% by weight.
and a thermoplastic resin composition comprising 10 to 90% by weight of a polyester resin, wherein the polyester resin is copolymerized with 0.5 to 10 mol% of a metal salt of sulfoisophthalic acid,
The thermoplastic resin composition is characterized in that at least 80 mol% of the main chain is polybutylene terephthalate.
以下、本発明の詳細な説明する。The present invention will be explained in detail below.
本発明に用いるポリカーボネート樹脂としては、芳香族
ポリカーボネート脂肪族ポリカーボネート等が挙げられ
るが、ビスフェノールを主原料とし、ホスゲン法、また
はエステル交換法により製造される芳香族ポリカーボネ
ートが好ましく、特に２゜２−ビス（４−ヒドロキシフ
ェニル）−フロパンを主原料としたものが好ましい。Examples of the polycarbonate resin used in the present invention include aromatic polycarbonates and aliphatic polycarbonates, but aromatic polycarbonates produced using bisphenol as a main raw material by a phosgene method or a transesterification method are preferred, and in particular, 2゜2-bis It is preferable to use (4-hydroxyphenyl)-furopane as the main raw material.
ポリカーボネート樹脂の配合量は１０〜９０重量％、好
ましくは２０〜８０重量％である。ポリカーボネート樹
脂の配合量が１０重量％未満の場合には流動性には優れ
るが、耐熱性、耐衝撃性及び寸法精度が十分でない。一
方９０重量％を超える場合には、溶融粘度が高く、成形
性が悪い。The amount of polycarbonate resin blended is 10 to 90% by weight, preferably 20 to 80% by weight. When the amount of polycarbonate resin blended is less than 10% by weight, fluidity is excellent, but heat resistance, impact resistance, and dimensional accuracy are insufficient. On the other hand, if it exceeds 90% by weight, the melt viscosity is high and moldability is poor.
本発明に於けるポリエステル樹脂の共重合成分であるス
ルホイソフタル酸金属塩の金属種は特に制限されないが
、好ましくはナトリウム塩を使用する。The metal species of the sulfoisophthalic acid metal salt, which is a copolymerization component of the polyester resin in the present invention, is not particularly limited, but sodium salt is preferably used.
スルホイソフタル酸金属塩の共重合量は、全ジカルボン
酸成分の０．５〜１０モル％とすることが肝要であシ、
特に１〜８モル％とすることが好ましい。スルホイソフ
タル酸金属塩の共重合量が０．６モル％未満では寸法精
度が十分でなく、また１０モル％を超えると耐熱性が低
下し、何れも本発明の目的を達成することができない。It is important that the copolymerized amount of the sulfoisophthalic acid metal salt is 0.5 to 10 mol% of the total dicarboxylic acid components.
In particular, it is preferably 1 to 8 mol%. If the amount of copolymerized sulfoisophthalic acid metal salt is less than 0.6 mol %, the dimensional accuracy will not be sufficient, and if it exceeds 10 mol %, the heat resistance will decrease, and in either case, the object of the present invention cannot be achieved.
本発明で使用するポリエステル樹脂は、主鎖の少なくと
も８０％がポリブチレンテレフタレートである。ここで
いうポリブチレンテレフタレートは、テレフタル酸又は
その低級アルキルエステルと１．４−ブタンジオールよ
シ得られるものである。At least 80% of the main chain of the polyester resin used in the present invention is polybutylene terephthalate. Polybutylene terephthalate here is obtained from terephthalic acid or its lower alkyl ester and 1,4-butanediol.
このポリエステルは主鎖の少なくとも８０％がポリブチ
レンテレフタレートであるが、この範囲内でテレフタル
酸、１，４−ブタンジオール以外の成分を共重合するこ
とができる。Although at least 80% of the main chain of this polyester is polybutylene terephthalate, components other than terephthalic acid and 1,4-butanediol can be copolymerized within this range.
組成物中のポリエステル樹脂の配合量は１０〜９０重量
％、好ましくは２０〜８０重量％である。The amount of polyester resin in the composition is 10 to 90% by weight, preferably 20 to 80% by weight.
ポリエステル樹脂の配合量が１０重量％未満の場合は、
溶融時の流動性が悪く成形困難であ）、−方９０重量％
を超える場合には耐熱性、耐衝撃性が不十分となり、何
れも本発明の目的を達成できない。If the amount of polyester resin is less than 10% by weight,
Poor fluidity when melted and difficult to mold), -90% by weight
If it exceeds this value, the heat resistance and impact resistance will be insufficient, and the object of the present invention cannot be achieved in either case.
本発明では、他の特性を改良する目的で着色剤。In the present invention, colorants are used to improve other properties.
滑剤９発泡剤、難燃剤、或いはポリカーボネート樹脂と
ポリエステル樹脂の間の反応を防止するために公知の安
定剤を添加することもできる。Lubricants 9 Foaming agents, flame retardants, or known stabilizers can also be added to prevent reaction between the polycarbonate resin and the polyester resin.
（発明の効果）
本発明にか＼るポリカーボネート樹脂とスルホイソフタ
ル酸金属塩を共重合したポリブチレンテレフタレートよ
りなる熱可塑性樹脂組成物は優れた成形性、８機械的特
性及び耐熱性を有し、高い強度や寸法精度を要求される
機械部品等に好適な成形材料である。(Effects of the Invention) The thermoplastic resin composition made of polybutylene terephthalate copolymerized with polycarbonate resin and sulfoisophthalic acid metal salt according to the present invention has excellent moldability, 8 mechanical properties, and heat resistance, It is a suitable molding material for machine parts that require high strength and dimensional accuracy.
（実施例） 以下、実施例を用いて更に詳細な説明を行う。(Example) A more detailed explanation will be given below using examples.
尚、実施例に示す物性は以下の方法により九。The physical properties shown in Examples were determined by the following method.
（１） 引張強度 ＡＳＴＭ Ｄ−６８８に準じて測定した。(1) Tensile strength Measured according to ASTM D-688.
（２） 曲げ弾性率 ＡＳＴＭ Ｄ−７９０に準じて測定した。(2) Flexural modulus Measured according to ASTM D-790.
（３）衝撃強度 ＡＳＴＭ Ｄ−２５６（アイゾツト、ノツチ付。(3) Impact strength ASTM D-256 (Izots, with notches.
１／４インチ）に準じて測定した。1/4 inch).
（４）熱変形温度
荷重１８．６ ｋｇ／ｃｍ２でＡＳＴＭ Ｄ−６４８に
準じて測定した。(4) Measured according to ASTM D-648 at a heat distortion temperature load of 18.6 kg/cm2.
（５）流動値
金型温度８０″Ｃ９射出圧力８００ ｋｇ／ Ｃｍ２
、シリンダー温度２６０″Ｃの条件で、流路の断面形状
が６ ｍ Ｘ ３ ｍｍのスパイラルフロー金型で射出
成形した場合の流動長（ｃｍ）で表示した。(5) Flow value Mold temperature 80″C9 Injection pressure 800 kg/Cm2
It is expressed as the flow length (cm) when injection molding is performed using a spiral flow mold with a cross-sectional shape of the flow channel of 6 m x 3 mm under the conditions of a cylinder temperature of 260''C.
実施例１
表−１に示す割合で、５−す） ＩＪウムスルホイソフ
タル酸を共重合したポリブチレンテレフタレート樹脂と
ポリカーボネート樹脂（今人化成■製。Example 1 Polybutylene terephthalate resin copolymerized with IJumsulfoisophthalic acid and polycarbonate resin (manufactured by Konjin Kasei Co., Ltd.) were prepared in the proportions shown in Table 1.
パンライト Ｌ−１２２５）とを表−２に示す割合で配
合し、更に樹脂重量に対し、０．８重量％のジ−ｎ−オ
クチルフォスファイトを添加した後、ベントタイプの５
５ｍｍΦ２軸混練機でシリンダー温度２７０℃で溶融混
練し成形用ペレットを得た。Panlite L-1225) in the ratio shown in Table 2, and after adding 0.8% by weight of di-n-octyl phosphite based on the weight of the resin, vent type 5
The mixture was melt-kneaded using a 5 mmΦ twin-screw kneader at a cylinder temperature of 270°C to obtain pellets for molding.
次いで、得られたペレットを用いて、シリンダー温度２
６０°Ｃ１金型温度８０°Ｃで射出成形し、物性測定を
行った。得られた結果を表−８に示す。Next, using the obtained pellets, the cylinder temperature was set to 2.
Injection molding was performed at a mold temperature of 60°C and 80°C, and physical properties were measured. The results obtained are shown in Table 8.
表−１
表中の数値はモル％
表−２
表中の数値は重量％
比較例１
表−４９表−６に示した比較すべき種々の組成物につい
て、実施例１と同様の方法によシ物性測定を行りた。結
果を表−６に示す。Table-1 The numerical values in the table are mol% Table-2 The numerical values in the table are weight% Physical properties were measured. The results are shown in Table-6.
実施例と比較例にみられる如く、本発明の樹脂組成物は
、機械的特性と成形性に優れ、更に耐熱性にも優れた成
形材料であることが判る。As seen in the Examples and Comparative Examples, it can be seen that the resin composition of the present invention is a molding material that has excellent mechanical properties and moldability, and also has excellent heat resistance.
表−４ 表−５Table-4 Table-5
Claims (5)
エステル樹脂１０〜９０重量％よりなる熱可塑性樹脂組
成物において、該ポリエスル樹脂がスルホイソフタル酸
の金属塩を０．５〜１０モル％共重合され、かつ主鎖の
少なくとも８０モル％がポリブチレンテレフタレートで
あることを特徴とする熱可塑性樹脂組成物。(1) A thermoplastic resin composition comprising 10 to 90% by weight of a polycarbonate resin and 10 to 90% by weight of a polyester resin, wherein the polyester resin is copolymerized with 0.5 to 10 mol% of a metal salt of sulfoisophthalic acid, and A thermoplastic resin composition characterized in that at least 80 mol% of the main chain is polybutylene terephthalate.
％である特許請求の範囲第１項記載の組成物。(2) The composition according to claim 1, wherein the content of the polycarbonate resin is 20 to 80% by weight.
ある特許請求の範囲第１項記載の組成物。(3) The composition according to claim 1, wherein the amount of polyester resin blended is 20 to 80% by weight.
る特許請求の範囲第１項記載の組成物。(4) The composition according to claim 1, wherein the metal salt of sulfoisophthalic acid is a sodium salt.
ル％である特許請求の範囲第１項記載の組成物。(5) The composition according to claim 1, wherein the copolymerized amount of the sulfoisophthalic acid metal salt is 1 to 8 mol%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2701388A JPH01203457A (en) | 1988-02-08 | 1988-02-08 | Thermoplastic resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2701388A JPH01203457A (en) | 1988-02-08 | 1988-02-08 | Thermoplastic resin composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01203457A true JPH01203457A (en) | 1989-08-16 |
Family
ID=12209215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2701388A Pending JPH01203457A (en) | 1988-02-08 | 1988-02-08 | Thermoplastic resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01203457A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0940443A3 (en) * | 1998-03-04 | 2001-02-07 | General Electric Company | Polyester molding composition |
-
1988
- 1988-02-08 JP JP2701388A patent/JPH01203457A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0940443A3 (en) * | 1998-03-04 | 2001-02-07 | General Electric Company | Polyester molding composition |
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