Multifilament, monofilament, non-woven or tape

Abstract

A multifilament, a monofilament, a non-woven or a tape, each having 1 to 2000 Denier per filament and a draw ratio of 1:2 to 1:11 and each made of a composition containing the components (A) a polyolefin, (B) for example a compound of the formula (B-1-a-1), ##STR00001## (C) for example a compound of the formula (C-1-b-1), ##STR00002## wherein b.sub.1 is a number from 2 to 20, and optionally (D) one or more inorganic and/or organic pigments.

Claims

1. A multifilament, a monofilament, a non-woven or a tape, each having 1 to 2000 Denier per filament and a draw ratio of 1:2 to 1:11 and each made of a composition comprising (A) a polyolefin, (B) a compound of the formula (B-1-a-1), ##STR00037## (C) a compound of the formula (C-1-b-1), ##STR00038## wherein b.sub.1 is a number from 2 to 20 ##STR00039## and optionally (D) one or more inorganic and/or organic pigments, wherein the multifilament, the monofilament, the nonwoven or the tape contains 0.025 to 1.5% by weight of (B) and 0.025 to 1.5% by weight of (C), each relative to the weight of (A).

2. The multifilament, monofilament, non-woven or tape according to claim 1, wherein said polyolefin (A) is selected from the group consisting of polyethylene, polypropylene, an ethylene copolymer or a propylene copolymer or mixtures thereof.

3. The multifilament, monofilament, non-woven or tape according to claim 1, comprising components (A), (B), (C) and (D).

4. An artificial turf comprising the multifilament, monofilament, non-woven or tape according to claim 3.

5. An artificial turf comprising the multifilament, monofilament, non-woven or tape according to claim 3 wherein component D is at least one pigment selected from the group consisting of a pigment formulation containing C.I. Pigment Green 7 and C.I. Pigment Yellow 110; or a pigment formulation containing C.I. Pigment Green 7 and C.I. Pigment Yellow 128; or a pigment formulation containing C.I. Pigment Green 7 and C.I. Pigment Yellow 199; or a pigment formulation containing C.I. Pigment Green 7 and C.I. Pigment Yellow 34; or a pigment formulation containing C.I. Pigment Green 7 and C.I. Pigment Yellow 119; or a pigment formulation containing C.I. Pigment Green 7 and C.I. Pigment Yellow 150.

6. An artificial turf comprising the multifilament, monofilament, non-woven or tape according to claim 5 further comprising at least one shading component selected from the group consisting of C.I. Pigment Black 7, C.I. Pigment White 6, C.I. Pigment Red 101 and C.I. Pigment Blue 15:3.

7. The multifilament, monofilament, non-woven or tape according to claim 1, further comprising (E) an UV absorber.

8. The multifilament, monofilament, non-woven or tape according to claim 7, wherein said UV absorber is at least one selected from the group consisting of 2-(2-hydroxyphenyl)benzotriazole, a 2-hydroxybenzophenone, an ester of substituted or unsubstituted benzoic acid, an acrylate, an oxamide, a 2-(2-hydroxyphenyl)-1,3,5-triazine, a monobenzoate of resorcinol or a formamidine.

9. An article comprising the multifilament, monofilament, non-woven or tape according to claim 1.

10. The article according to claim 9 which is selected from the group consisting of a carpet, a roofing membrane, a geotextile, an automotive polyolefin structure and a shade cloth.

11. An article comprising the multifilament, monofilament, non-woven or tape according to claim 1 being used in a construction adjacent to a latex or a rubber.

Description

EXAMPLE 1

(1) Polypropylene (Moplen HP 451 N; Basell), the light stabilizers indicated in Table 1, and a pigment (0.07% by weight, relative to the weight of the polypropylene, of CROMOPHTAL Blue 4GNP and 0.035% by weight, relative to the weight of the polypropylene, of CROMOPHTAL Yellow 3GNP) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives fibers of 5 Denier per filament and a draw ratio of 1:3.2.

(2) The filaments obtained are exposed in a Xenon arc light Weather-Ometer (0.35 W/m.sup.2 at 340 nm, black panel temperature: 63 C., dry conditions).

(3) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) is a measure for the efficiency of the light stabilizers. The results are shown in Table 1.

(4) TABLE-US-00001 TABLE 1 hours until 50% Light stabilizer(s) retained tenacity None 300 0.5% of Compound (B-1-a-1) 1700 0.5% of Compound (C-1-b-1) 1700 0.25% of Compound (B-1-a-1) plus 2150 0.25% of Compound (C-1-b-1)

EXAMPLE 2

(5) Polypropylene (Moplen HP 551M; Basell), the light stabilizers indicated in Table 2, and TiO.sub.2 (0.25% by weight, relative to the weight of the polypropylene) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives a 180 Denier yarn of 4.5 Denier per filament with a draw ratio of 1:3.2.

(6) The yarns obtained are exposed in a Xenon arc light Weather-Ometer (0.35 W/m.sup.2 at 340 nm, black panel temperature: 63 C., dry conditions).

(7) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) is a measure for the efficiency of the light stabilizers. The results are shown in Table 2.

(8) TABLE-US-00002 TABLE 2 hours until 50% Light stabilizer(s) retained tenacity None 600 0.3% of Compound (C-1-b-1) 2500 0.3% of Compound (B-1-a-1) 1550 0.15% of Compound (C-1-b-1) plus 2800 0.15% of Compound (B-1-a-1)

EXAMPLE 3

(9) Polypropylene (Moplen HP 551M; Basell), the light stabilizers indicated in Table 3 and CibaCROMOPHTALRed BNFP pigment (0.15% by weight, relative to the weight of the polypropylene) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives a 180 Denier yarn of 4.5 Denier per filament with a draw ratio of 1:3.2.

(10) The yarns obtained are exposed in a Xenon arc light Weather-Ometer (0.35 W/m.sup.2 at 340 nm, black panel temperature: 63 C., dry conditions).

(11) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) is a measure for the efficiency of the light stabilizers. The results are shown in Table 3.

(12) TABLE-US-00003 TABLE 3 hours until 50% Light stabilizer(s) retained tenacity None 300 0.3% of Compound (C-2-a-1) 850 0.3% of Compound (B-1-a-1) 550 0.15% of Compound (C-2-a-1) plus 950 0.15% of Compound (B-1-a-1)

EXAMPLE 4

(13) Polypropylene (Moplen HP 551M; Basell), the light stabilizers indicated in Table 4 CibaCROMOPHTALRed BNFP pigment (0.15% by weight, relative to the weight of the polypropylene) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives a 180 Denier yarn of 4.5 Denier per filament with a draw ratio of 1:3.2.

(14) The yarns obtained are exposed in a Xenon arc light Weather-Ometer (0.35 W/m.sup.2 at 340 nm, black panel temperature: 63 C., dry conditions).

(15) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) is a measure for the efficiency of the light stabilizers. The results are shown in Table 4.

(16) TABLE-US-00004 TABLE 4 hours until 50% Light stabilizer(s) retained tenacity None 300 0.6% of Compound (C-1-b-1) 1300 0.6% of Compound (B-1-a-1) 1150 0.3% of Compound (C-1-b-1) plus 1700 0.3% of Compound (B-1-a-1)

EXAMPLE 5

(17) Polypropylene (Moplen HP 551M; Basell), the light stabilizers indicated in Table 5 and CibaCROMOPHTALRed BNFP pigment (0.15% by weight, relative to the weight of the polypropylene) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives a 180 Denier yarn of 4.5 Denier per filament with a draw ratio of 1:3.2.

(18) The yarns obtained are exposed in a Xenon arc light Weather-Ometer (0.45 W/m.sup.2 at 340 nm, black standard temperature: 100 C., dry conditions).

(19) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) at increased temperature is a measure for the efficiency of the light stabilizers in hot light environment. The results are shown in Table 5.

(20) TABLE-US-00005 TABLE 5 hours until 50% Light stabilizer(s) retained tenacity None 150 0.6% of Compound (C-1-b-1) 600 0.6% of Compound (B-1-a-1) 475 0.3% of Compound (C-1-b-1) plus 600 0.3% of Compound (B-1-a-1)

EXAMPLE 6

(21) Polypropylene (Moplen HP 551M; Basell), the light stabilizers indicated in Table 6, and TiO.sub.2 (0.25% by weight, relative to the weight of the polypropylene) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives a 400 Denier yarn of 10 Denier per filament with a draw ratio of 1:3.2.

(22) The yarns obtained are exposed in a Xenon arc light Weather-Ometer (0.45 W/m.sup.2 at 340 nm, black standard temperature: 100 C., dry conditions).

(23) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) at increased temperature is a measure for the efficiency of the light stabilizers in hot light environment. The results are shown in Tables 6a and 6b.

(24) TABLE-US-00006 TABLE 6a hours until 50% Light stabilizer(s) retained tenacity None <380 0.3% of Compound (C-1-b-1) 1050 0.3% of Compound (B-1-a-1) 700 0.15% of Compound (C-1-b-1) plus 1100 0.15% of Compound (B-1-a-1)

(25) TABLE-US-00007 TABLE 6b hours until 50% Light stabilizer(s) retained tenacity None <380 0.15% of Compound (C-1-b-1) plus 880 0.15% of Compound (B-1-a-2) 0.15% of Compound (C-1-b-1) plus 1050 0.15% of Compound (B-1-b-1) 0.15% of Compound (C-1-b-1) plus 1100 0.15% of Compound (B-1-a-3)

EXAMPLE 7

(26) Polypropylene (Moplen HP 551M; Basell), the light stabilizers indicated in Table 7, and TiO.sub.2 (0.25% by weight, relative to the weight of the polypropylene) are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 230 C. in a twin screw extruder. Spinning at 240 C. gives a 400 Denier yarn of 10 Denier per filament with a draw ratio of 1:3.2.

(27) The yarns obtained are treated with X SBR Latex and annealed at 120 C. for 20 min. Afterwards they are exposed in a Xenon arc light Weather-Ometer (0.35 W/m.sup.2 at 340 nm, black panel temperature: 63 C., dry conditions).

(28) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) is a measure for the efficiency of the light stabilizers in yarns with contact to a latex binder. The results are shown in Table 7.

(29) TABLE-US-00008 TABLE 7 hours until 50% Light stabilizer(s) retained tenacity None <150 0.3% of Compound (C-1-b-1) 620 0.3% of Compound (B-1-a-1) 580 0.15% of Compound (C-1-b-1) plus 700 0.15% of Compound (B-1-a-1)

EXAMPLE 8

(30) Polyethylene (Dowlex SC 2108; DOW) and the light stabilizers indicated in Table 8 are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 200 C. in a twin screw extruder. Cast fim extrusion at 190 C., slitting and drawing gives tape filaments with 3600 Denier

(31) The filaments obtained are treated with SBR rubber for 100 h at 70 C. and afterwards exposed in a fluorescence weathering device (0.77 W/m.sup.2 at 340 nm, periodically 8 h at 60 C., 4 h condensation phase at 50 C.). SBR rubber treatment is repeated every 250 h for 24 h.

(32) The exposure time corresponding to time to surface cracking (change of optical properties) is a measure for the efficiency of the light stabilizers. The results are shown in Table 8.

(33) TABLE-US-00009 TABLE 8 hours to Light stabilizer(s) surface cracking None 500 0.6% of Compound (C-1-b-1) 3000 0.6% of Compound (B-1-a-1) 3350 0.3% of Compound (C-1-b-1) plus 3350 0.3% of Compound (B-1-a-1)

EXAMPLE 9

(34) Polyethylene (Dowlex SC 2108; DOW) and the light stabilizers indicated in Table 9 are mixed in a high speed mixer at room temperature. The mixture obtained is compounded at 200 C. in a twin screw extruder. Cast fim extrusion at 220 C., slitting and drawing gives tape filaments with 900 Denier.

(35) The filaments obtained are exposed in a fluorescence weathering device (0.63 W/m.sup.2 at 313 nm, periodically 8 h at 60 C., 4 h condensation phase at 50 C.).

(36) The exposure time corresponding to 50% retained tenacity (loss of mechanical properties) is a measure for the efficiency of the light stabilizers. The results are shown in Table 9.

(37) TABLE-US-00010 TABLE 9 hours until 50% Light stabilizer(s) retained tenacity None 250 0.6% of Compound (C-1-b-1) 1320 0.6% of Compound (B-1-a-1) 1300 0.3% of Compound (C-1-b-1) plus 1400 0.3% of Compound (B-1-a-1)