JPS6044337B2 - Vinyl chloride resin composition - Google Patents
Vinyl chloride resin compositionInfo
- Publication number
- JPS6044337B2 JPS6044337B2 JP14443276A JP14443276A JPS6044337B2 JP S6044337 B2 JPS6044337 B2 JP S6044337B2 JP 14443276 A JP14443276 A JP 14443276A JP 14443276 A JP14443276 A JP 14443276A JP S6044337 B2 JPS6044337 B2 JP S6044337B2
- Authority
- JP
- Japan
- Prior art keywords
- vinyl chloride
- resin composition
- chloride resin
- impact strength
- phr
- 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
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
物に関するものて、衝撃強度の向上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 its purpose is to improve impact strength.
塩ビ組成物の強度に影響を与える因子は種々様々であ
り、衝撃強度が大きくかつ諸特性（成形性も含めて）の
よい組成物を得ることは困難であつた。There are various factors that affect the strength of PVC compositions, and it has been difficult to obtain compositions that have high impact strength and good properties (including moldability).
しかし本発明者らは、これらの関連を系統的に調べ衝撃
強度に影響を与える要因を解明しこの発明に達した。
要約すれば、この発明は、硬質塩ビ組成物に、０．３〜
２．０ＰＨＲの二塩基性ステアリン酸亜鉛および０．３
〜２．０ＰＨＲの酸化マグネシウムを配合して塩ビ組成
物の衝撃強度を向上するものである。However, the present inventors have systematically investigated these relationships and clarified the factors that affect impact strength, and have arrived at this invention.
In summary, the present invention provides a rigid PVC composition with a
2.0 PHR dibasic zinc stearate and 0.3
~2.0 PHR of magnesium oxide is blended to improve the impact strength of the PVC composition.
つぎにこの発明を詳しく説明する。 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、これな０．３
〜２．０ＰＨＲの二塩基性ステアリン酸亜鉛および０．
３〜２．０ＰＨＲの酸化マグネシウムを同時に配合する
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。二塩基性ステアリン酸亜鉛が前記
範囲を下限において外れると衝撃強度が充分大きくなら
ず。上限を外れると耐候性の低下および耐熱性の低下が
起り好ましくない。 酸化マグシウムの添加量が下限を
外れると、効果が充分でなく、上限を外れると金型に対
する粘着性が増加し成形性が悪くなる。Add 5 to 15 PHR of filler and other lubricants and stabilizers as usual. In this way, a commonly used hard PVC composition is obtained, but in the case of this invention, this
~2.0 PHR of dibasic zinc stearate and 0.0 PHR.
Magnesium oxide of 3 to 2.0 PHR is added at the same time. 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 dibasic zinc stearate deviates from the above range at the lower limit, the impact strength will not be sufficiently high. If it is outside the upper limit, the weather resistance and heat resistance will deteriorate, which is not preferable. If the amount of added magnesium oxide is outside the lower limit, the effect will not be sufficient, and if it is outside the upper limit, the adhesion to the mold will increase and the moldability will deteriorate.
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。In addition, the kneading means of raw materials and the molding method (
Extrusion molding, etc.) is carried out by a conventional method.
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、この発明の塩ビ素成物は、硬質塩
ビ組成物に、゛０．３〜２．０ＰＨＲの二塩基性ステア
リン酸亜鉛および０．３〜２．０ＲＨＲの酸化マグネシ
ウムを配合するため、落球衝撃強度（デュポン衝撃強度
高さ）が７０ｃｍ以上となり衝撃強度を著しく向上する
ことができるとともに、耐熱性、成形性、耐候性にもす
ぐれたものとなる。 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 vinyl chloride composition of the present invention is produced by blending dibasic zinc stearate of 0.3 to 2.0 PHR and magnesium oxide of 0.3 to 2.0 RHR into a hard vinyl chloride composition. The falling ball impact strength (DuPont impact strength height) is 70 cm or more, which significantly improves the impact strength, and also has excellent heat resistance, moldability, and weather resistance. 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。そして落球衝撃試験機（デュポン衝撃
試験機）による衝撃強度、加熱撓み評価による耐熱性、
金型粘着性評価による成形性および屋外暴露白化日数に
よる耐候性をそれぞれ調べ、その結果を同表に示した。
なお、ＮＯ．ｌ〜９は比較例である。なお、落球衝撃強
度（デュポン衝撃強度高さ）は、１ｋ９の鋼球を塩ビ板
上に所定の高さから落下させて塩ビ板の割れる確率が５
０％になる高さを計算により求めたものである。That is, a hard PVC composition was obtained according to the conventional method using the formulations shown in the table below. Then, impact strength by falling ball impact tester (Dupont impact tester), heat resistance by heating deflection evaluation,
The moldability by mold tackiness evaluation and the weather resistance by the number of days of outdoor exposure to whitening were investigated, and the results are shown in the same table.
In addition, NO. 1 to 9 are comparative examples. In addition, falling ball impact strength (DuPont impact strength height) is the probability that a 1K9 steel ball will break on a PVC board from a predetermined height is 5.
The height at which the value becomes 0% is determined by calculation.
Claims (1)
Ｒの二塩基性ステアリン酸亜鉛および０．３〜２．０Ｐ
ＨＲの酸化マグネシウム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 2.0PH
R dibasic zinc stearate and 0.3-2.0P
A vinyl chloride resin composition comprising HR magnesium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14443276A JPS6044337B2 (en) | 1976-11-30 | 1976-11-30 | Vinyl chloride resin composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14443276A JPS6044337B2 (en) | 1976-11-30 | 1976-11-30 | Vinyl chloride resin composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5367758A JPS5367758A (en) | 1978-06-16 |
| JPS6044337B2 true JPS6044337B2 (en) | 1985-10-03 |
Family
ID=15362052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14443276A Expired JPS6044337B2 (en) | 1976-11-30 | 1976-11-30 | Vinyl chloride resin composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6044337B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0611826B2 (en) * | 1985-09-20 | 1994-02-16 | 三井東圧化学株式会社 | Resin composition |
| JP2012021122A (en) * | 2010-07-16 | 2012-02-02 | Adeka Corp | Vinyl chloride-based resin composition |
-
1976
- 1976-11-30 JP JP14443276A patent/JPS6044337B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5367758A (en) | 1978-06-16 |
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