JPS5948026B2 - Vinyl chloride resin composition - Google Patents
Vinyl chloride resin compositionInfo
- Publication number
- JPS5948026B2 JPS5948026B2 JP1579877A JP1579877A JPS5948026B2 JP S5948026 B2 JPS5948026 B2 JP S5948026B2 JP 1579877 A JP1579877 A JP 1579877A JP 1579877 A JP1579877 A JP 1579877A JP S5948026 B2 JPS5948026 B2 JP S5948026B2
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- resin composition
- chloride resin
- heat deformation
- deflection
- 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
Links
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 title claims description 8
- 239000011342 resin composition Substances 0.000 title claims 3
- BJFLSHMHTPAZHO-UHFFFAOYSA-N benzotriazole Chemical compound [CH]1C=CC=C2N=NN=C21 BJFLSHMHTPAZHO-UHFFFAOYSA-N 0.000 claims description 6
- 239000012964 benzotriazole Substances 0.000 claims description 6
- APLYTANMTDCWTA-UHFFFAOYSA-L magnesium;phthalate Chemical compound [Mg+2].[O-]C(=O)C1=CC=CC=C1C([O-])=O APLYTANMTDCWTA-UHFFFAOYSA-L 0.000 claims description 6
- 239000000203 mixture Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 230000002087 whitening effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003944 tolyl group Chemical group 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
【発明の詳細な説明】
この発明は塩化ビニル樹脂（以下塩ビと略す）組成物に
関するもので、諸特性を損なうことなく塩ビ組成物の耐
熱変形性を向上させることを目的とするものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a vinyl chloride resin (hereinafter abbreviated as vinyl chloride) composition, and aims to improve the heat deformation resistance of the vinyl chloride composition without impairing its various properties.
塩ビ組成物の耐熱変形性に影響を与れる因子は種々様々
であり、耐熱変形性がよく、しかも諸特性（化学的性質
も含めて）のよい塩ビ組成物を得ることは困難であつた
。There are various factors that affect the heat deformation resistance of PVC compositions, and it has been difficult to obtain a PVC composition that has good heat deformation resistance and various properties (including chemical properties).
しかし、本発明者らは、これらの関連を系統的に調べ、
塩ビ組成物の耐熱変形性とたわみ変形率とが相関関係に
あることを見出し、かつこのたわみ変形率が二塩基性フ
タル酸マグネシウムと２（２’−オキシー ５’−メチ
ルフェニル）ベンゾトリアゾールの相乗作用により改善
されることを発見し、この発明を完成した。要約すれば
、この発明は、硬質塩ビ組成物に、０．３〜２．５ＰＨ
Ｒの二塩基性フタル酸マグネシウムと０．２〜１．５Ｐ
ＨＲの２（２’−オキシー ５’−メチルフェニル）ベ
ンゾトリアゾールを配合することを特徴とするものであ
る。つぎに、この発明を詳しく説明する。However, the present inventors systematically investigated these relationships and
It was discovered that there is a correlation between the heat deformation resistance and the flexural deformation rate of a PVC composition, and that this flexural deformation rate is due to the synergy between dibasic magnesium phthalate and 2(2'-oxy-5'-methylphenyl)benzotriazole. He discovered that this could be improved by the action and completed this invention. In summary, this invention provides rigid PVC compositions with 0.3 to 2.5 PH
R dibasic magnesium phthalate and 0.2-1.5P
It is characterized by containing 2(2'-oxy-5'-methylphenyl)benzotriazole of HR. Next, this invention will be explained in detail.
この発明における塩ビは、通常の硬質塩ビでよい。The vinyl chloride in this invention may be ordinary hard vinyl chloride.
これに常法通り、充填剤を５〜１５ＰＨＲ）その他滑剤
、安定剤を加える。このようにして通常用いられている
硬質塩ビ組成物を得るが、この発明の場合、これに０．
３〜２．５ＰＨＲの二塩基性フタル酸マグネシウムと０
．２〜１．５ＰＨＲの２（２’−オキシー ５’−メチ
ルフェニル）ベンゾトリアゾールを配合するのである。
この場合、充填剤、滑剤等の添加量が常法通りの範囲内
であれば、あまりこの発明の目的達成には大きな影響を
与えない。二塩基性フタル酸マグネシウムの添加量が前
記範囲を下限において外れると耐熱変形性向上効果が小
さくなる。Add filler (5 to 15 PHR), other lubricants, and stabilizers as usual. In this way, a commonly used hard PVC composition is obtained, and in the case of the present invention, 0.
3-2.5 PHR dibasic magnesium phthalate and 0
．． 2-1.5 PHR of 2(2'-oxy-5'-methylphenyl)benzotriazole is blended.
In this case, as long as the amount of fillers, lubricants, etc. added is within the usual range, it will not have a great effect on achieving the object of the present invention. If the amount of dibasic magnesium phthalate added deviates from the above range at the lower limit, the effect of improving heat deformation resistance will be reduced.
また、前記範囲を上限において外れると耐衝撃性の低下
を招来する。２（２’−オキシー ５’−メチルフェニ
ル）ベンゾトリアゾーールの添加量が前記範囲を下限に
おいて外れると耐熱変形性向上効果および耐候性向上効
果が小さくなる。Further, if the upper limit is outside the above range, the impact resistance will deteriorate. If the added amount of 2(2'-oxy 5'-methylphenyl)benzotriazole deviates from the above range at the lower limit, the effect of improving heat deformation resistance and improving weather resistance will be reduced.
また、前記範囲を上限において外れると成形トルクの増
大により成形性を損なうとともに、コストアップを招来
する。なお、この発明における原料の混練手段、成形方
法（押出成形等）は常法による。Furthermore, if the upper limit exceeds the above range, the molding torque increases, which impairs moldability and increases costs. In this invention, the means for kneading the raw materials and the molding method (extrusion molding, etc.) are conventional methods.
また、組成物の製造ないし成形における条件は常法通り
でよい。以上のように、この発明は、硬質塩ビ組成物に
、０．３〜２．５ＰＨＲの二塩基性フタル酸マグネシウ
ムと０．２〜１．５ＰＨＲの２（２′−オキシ−５′−
メチルフエニル）ベンゾトリアゾールを配合したため、
塩ビ組成物の諸特性を損なうことなく、耐熱変形性を向
上させることができた。また、このようにしたため、同
時に耐候性も向上させることができた。つぎに、実施例
および比較例について説明する。Further, the conditions for producing or molding the composition may be the same as usual. As described above, the present invention combines 0.3 to 2.5 PHR of dibasic magnesium phthalate and 0.2 to 1.5 PHR of 2(2'-oxy-5'-
Because it contains methylphenyl)benzotriazole,
The heat deformation resistance could be improved without impairing the various properties of the PVC composition. Moreover, by doing this, it was also possible to improve weather resistance at the same time. Next, Examples and Comparative Examples will be described.
すなわち、以下の表の配合により、常法に従つて硬質塩
ビ組成物を得た。そして、これらの耐熱変形性をたわみ
変形率により、また、耐候性を白化度によつて測定し、
その結＊を同表に示した。なお、／Ｆ６ｌ〜３は比較例
である。たわみ変形率は、各塩ビ組成物を用いて成形製
品をつくり、そのたわみ量をたわみ試験機によつて測定
し、次式にもとづいて計算したものである。That is, a hard PVC composition was obtained according to the conventional method using the formulations shown in the table below. Then, the heat deformation resistance was measured by the flexural deformation rate, and the weather resistance was measured by the degree of whitening.
The results * are shown in the same table. Note that /F6l-3 are comparative examples. The deflection deformation rate was calculated by making a molded product using each PVC composition, measuring the amount of deflection using a deflection tester, and using the following formula.
たわみ量の測定は、温度８０℃の雰囲気において、製品
長を１，２００１１に設定し、これを支点間距離９００
ｍｍのたわみ試験機に装置し、３時間後のたわみ量を測
定した。たわみ変形率の小さいものほど、耐熱変形性が
優れている。また、白化度Δｖは、マンセル表色系のＶ
値（明度に相当）を用い、初期状態と６力月屋外曝露後
の試料とのＶ値の差である。The amount of deflection was measured in an atmosphere at a temperature of 80°C, with the product length set to 1,20011, and the distance between the fulcrums 900
It was installed in a mm deflection tester and the amount of deflection was measured after 3 hours. The smaller the deflection deformation rate, the better the heat deformation resistance. In addition, the degree of whitening Δv is V in the Munsell color system.
This is the difference in V value between the initial state and the sample after six months of outdoor exposure.
Claims (1)
Ｒの二塩基性フタル酸マグネシウムと０．２〜１．５Ｐ
ＨＲの２（２′−オキシ−５′−メチルフェニル）ベン
ゾトリアゾールを配合することを特徴とする塩化ビニル
樹脂組成物。1 Hard vinyl chloride resin composition, 0.3 to 2.5PH
R dibasic magnesium phthalate and 0.2-1.5P
A vinyl chloride resin composition comprising HR 2(2'-oxy-5'-methylphenyl)benzotriazole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1579877A JPS5948026B2 (en) | 1977-02-15 | 1977-02-15 | Vinyl chloride resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1579877A JPS5948026B2 (en) | 1977-02-15 | 1977-02-15 | Vinyl chloride resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53101041A JPS53101041A (en) | 1978-09-04 |
| JPS5948026B2 true JPS5948026B2 (en) | 1984-11-22 |
Family
ID=11898850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1579877A Expired JPS5948026B2 (en) | 1977-02-15 | 1977-02-15 | Vinyl chloride resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5948026B2 (en) |
-
1977
- 1977-02-15 JP JP1579877A patent/JPS5948026B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS53101041A (en) | 1978-09-04 |
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