RU96119937A

RU96119937A - FILLED PLASTIC MIXTURES

Info

Publication number: RU96119937A
Application number: RU96119937/04A
Authority: RU
Inventors: Александер Макферсон Иан; Фрэнк Фрэйзер Ян; МакЛеннан Алисон
Original assignee: Циба Спешиалти Чемикалс Холдинг Инк.
Priority date: 1995-10-07
Filing date: 1996-10-04
Publication date: 1999-01-20

Claims

1. A mixture of plastics containing a high molecular substance and an effective coloring amount of the azo pigment of formula I

where M denotes Mg, Ca, Sr, Ba or Mn, or a mixture of two or more of these elements;
R ¹ and R ² represent chlorine or methyl;
x is 0 or 1;
y is 0 or 1, and the sum of x and y is 1, provided that when the high molecular weight substance is polyvinyl chloride, y is 0.

2. The mixture according to claim 1, wherein M is Ca, x is 1 and y is 0.

3. The mixture according to claim 1, wherein M is Ca, y is 1 and x is 0.

4. The mixture according to claim 1, 2 or 3, characterized in that the pigment is in the rubber form.

5. The mixture according to any one of the preceding paragraphs, characterized in that the high molecular weight substance is a thermoplastic resin.

6. The mixture according to claim 5, characterized in that the thermoplastic resin is a polyolefin.

7. The mixture according to claim 6, characterized in that the thermoplastic resin is high density polyethylene.

8. The azo pigment of formula (I) according to claim 1, wherein R ¹ and R ^{2 are} each methyl, x is 1 and y is 0.

9. The azo pigment of formula (I) according to claim 1, where M denotes Ca, y is 1 and x is 0, which is present in the form of crystals and an x-ray pattern appears having six noticeable lines of the X-ray spectrum, corresponding to distances d of 18.60, 5.21, 4.20, 4.01, 3.90 and 3.66 x ^{10 -10} meters.

10. The azo pigment of formula (I) according to claim 1, where M denotes Ca, y is 1 and x is 0, which is present in the formula of crystals and exhibits an X-ray pattern having six noticeable lines of the X-ray spectrum, corresponding to distances d, equal to 21.38, 13.31, 6.60, 5.35, 4.20 and 3.35 x ^{10 -10} meters.

11. The pigment of claim 8, 9 or 10, characterized in that it is in rubber form.

12. A method of producing a pigment according to claim 8, characterized in that it is varnished using a magnesium, calcium, strontium, barium or manganese salt, or a mixture of two or more such salts, an azo dye obtained by azo coupling of the diazonium amine salt of the formula II

where Q denotes hydrogen, alkali metal or ammonium;
R ¹ and R ² each means methyl;
x is 1;
y is 0,
with beta hydroxynaphthoic acid.

13. The method according to p. 12, characterized in that the salt is a chloride, sulfate, nitrate, formate and acetate of magnesium, calcium, strontium, barium and manganese or a mixture of two or more of these compounds.

14. The method according to p. 9, characterized in that carry out the azo-combination of the diazonium amine salt of formula II

where Q denotes hydrogen, alkali metal or ammonium;
R ¹ and R ² each means methyl;
x is 0;
y is 1,
with beta-hydroxynaphthoic acid by adding a solution or suspension of the diazonium salt to the solution or suspension of the azo-component and lacquering the resulting dye with the calcium salt.

15. The method according to p. 9, characterized in that carry out the azo coupling of the diazonium amine salt of formula II

where Q denotes hydrogen, alkali metal or ammonium;
R ¹ and R ² each means methyl;
x is 0;
y is 1,
with beta-hydroxynaphthoic acid by adding a solution or suspension of the diazonium salt and a solution or suspension of the azo component simultaneously in water to an aqueous buffer solution or an aqueous solution of calcium salt used to effect varnishing, or if a solution or suspension of the diazonium salt and a solution of the azo component are added at the same time in the water or aqueous buffer solution, carry out the varnishing of the resulting dye using the calcium salt.