CN104513492A - Novel TPU handicraft special material and preparation method thereof - Google Patents

Abstract

The invention relates to a novel TPU handicraft special material and a preparation method thereof. The special material comprises, by weight, 45-55 parts of a thermoplastic elastomer, 12-26 parts of poly(ethylene-glycol-adipate)diols, 6-13 parts of 4, 4'-diphenyl-methane-diisocyanate, 4-10 parts of 1, 4-butanediol, 4-10 parts of thermoplastic vulcanizate, 5-16 parts of 1, 3-diphenyl-1, 3-propanedione, and 6-26 parts of paraffin. The novel TPU handicraft special material provided by the invention has the characteristics of environmental protection and no pollution, good toughness, and good shock resistance and wear resistance.

Description

A kind of new TP U artwork PP Pipe Compound and preparation method thereof

Technical field

A kind of new TP U artwork of the present invention PP Pipe Compound and preparation method thereof.

Background technology

The TPU artwork of existing use has higher requirement for hardness, toughness, and the molding time of existing TPU artwork is longer, and its hardness and tear strength all cannot reach needed for requirement.

Summary of the invention

The object of the invention is to overcome defect of the prior art, provide a kind of new TP U artwork PP Pipe Compound and preparation method thereof, environment friendly and pollution-free, good toughness, antidetonation, wear resisting property are good.

The present invention is achieved by the following technical programs.

A kind of new TP U artwork PP Pipe Compound, its composition is counted as follows by weight:

Thermoplastic elastomer 45-55 part

Poly-hexanodioic acid-glycol ester dibasic alcohol 12-26 part

4,4'-diphenylmethanediisocyanate 6-13 part

BDO 4-10 part

Thermoplastic sulfurized rubber 4-10 part

1,3-diphenylpropane-1，3-dione 5-16 part

Paraffin 6-26 part.

Above-mentioned a kind of new TP U artwork PP Pipe Compound, wherein, preferably, its moiety is counted as follows by weight:

Thermoplastic elastomer 48 parts

Poly-hexanodioic acid-glycol ester dibasic alcohol 19 parts

4,4'-diphenylmethanediisocyanate 11 parts

BDO 5 parts

Thermoplastic sulfurized rubber 5 parts

1,3-diphenylpropane-1，3-dione 6 parts

12 parts, paraffin.

Above-mentioned a kind of new TP U artwork PP Pipe Compound, wherein, the ratio of weight and number of described BDO and thermoplastic sulfurized rubber is 1:1.

Above-mentioned a kind of new TP U artwork PP Pipe Compound, wherein, described 1,3-diphenylpropane-1，3-dione and paraffin portion rate are 1:2.

A preparation method for new TP U artwork PP Pipe Compound, its method steps is as follows:

A, by weight claimed range, weigh each composite material.

B, by thermoplastic elastomer, poly-hexanodioic acid-glycol ester dibasic alcohol, 4,4'-diphenylmethanediisocyanate, 1,4-butyleneglycol mixing and stirring, whipping temp is 80-90 DEG C, churning time is 40-70min, add thermoplastic sulfurized rubber, 1,3-diphenylpropane-1，3-dione, paraffin again at the temperature of 90-100 DEG C, to stir 20-30min obtain elementary material;

C, elementary material is added oven for drying, bake out temperature is 120 ~ 180 DEG C, drying 6-10h makes elementary material be solidified into bulk material, take out and put into 85-95 DEG C of curing chamber post curing 12-16 hour, after slaking, diameter is become to be about the dead small of 1-2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.

Beneficial effect of the present invention is: the present invention is according to the characteristic of starting material self, and carry out segmentation gradation formula and be uniformly mixed, the finished product obtained is environment friendly and pollution-free, good toughness, and antidetonation, wear resisting property are good.

Embodiment

Below by way of specific embodiment, the specific embodiment of the present invention is described in further detail.

Embodiment one:

A preparation method for new TP U artwork PP Pipe Compound, its method steps is as follows:

A, require to take respectively by weight:

Thermoplastic elastomer 48 parts

Poly-hexanodioic acid-glycol ester dibasic alcohol 19 parts

4,4'-diphenylmethanediisocyanate 11 parts

BDO 5 parts

Thermoplastic sulfurized rubber 5 parts

1,3-diphenylpropane-1，3-dione 6 parts

12 parts, paraffin;

B, by thermoplastic elastomer, poly-hexanodioic acid-glycol ester dibasic alcohol, 4,4'-diphenylmethanediisocyanate, 1,4-butyleneglycol mixing and stirring, whipping temp is 90 DEG C, churning time is 60min, add thermoplastic sulfurized rubber, 1,3-diphenylpropane-1，3-dione, paraffin again at the temperature of 90 DEG C, to stir 30min obtain elementary material;

C, elementary material is added oven for drying, bake out temperature is 120 DEG C, drying 6h makes elementary material be solidified into bulk material, take out and put into 95 DEG C of curing chamber post curings 14 hours, after slaking, diameter is become to be about the dead small of 1cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.

Embodiment two:

A preparation method for new TP U artwork PP Pipe Compound, its method steps is as follows:

A, require to take respectively by weight:

Thermoplastic elastomer 55 parts

Poly-hexanodioic acid-glycol ester dibasic alcohol 26 parts

4,4'-diphenylmethanediisocyanate 13 parts

BDO 6 parts

Thermoplastic sulfurized rubber 6 parts

1,3-diphenylpropane-1，3-dione 7 parts

14 parts, paraffin;

B, by thermoplastic elastomer, poly-hexanodioic acid-glycol ester dibasic alcohol, 4,4'-diphenylmethanediisocyanate, 1,4-butyleneglycol mixing and stirring, whipping temp is 88 DEG C, churning time is 55min, add thermoplastic sulfurized rubber, 1,3-diphenylpropane-1，3-dione, paraffin again at the temperature of 905 DEG C, to stir 25min obtain elementary material;

C, elementary material is added oven for drying, bake out temperature is 160 DEG C, drying 6h makes elementary material be solidified into bulk material, take out and put into 88 DEG C of curing chamber post curings 15 hours, after slaking, diameter is become to be about the dead small of 1.2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.

Embodiment three

A preparation method for new TP U artwork PP Pipe Compound, its method steps is as follows:

A, require to take respectively by weight:

Thermoplastic elastomer 50 parts

Poly-hexanodioic acid-glycol ester dibasic alcohol 25 parts

4,4'-diphenylmethanediisocyanate 14 parts

BDO 8 parts

Thermoplastic sulfurized rubber 8 parts

1,3-diphenylpropane-1，3-dione 8 parts

16 parts, paraffin;

B, by thermoplastic elastomer, poly-hexanodioic acid-glycol ester dibasic alcohol, 4,4'-diphenylmethanediisocyanate, 1,4-butyleneglycol mixing and stirring, whipping temp is 85 DEG C, churning time is 59min, add thermoplastic sulfurized rubber, 1,3-diphenylpropane-1，3-dione, paraffin again at the temperature of 98 DEG C, to stir 25min obtain elementary material;

C, elementary material is added oven for drying, bake out temperature is 160 DEG C, drying 8h makes elementary material be solidified into bulk material, take out and put into 95 DEG C of curing chamber post curings 12 hours, after slaking, diameter is become to be about the dead small of 1cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.

The TPU artwork now obtained three groups of embodiments and the obtained artwork (comparative group) of conventional material carry out Experimental comparison, and experimental data is as follows:

Test event	Unit	Example one	Example two	Example three	Comparative group
						Tensile loading	N/cm	230	219	205	182
Elongation at break	%	76	70	72	53
						Breaking load	N	45	35	37	31
Wear resistance	Taber H-22/lkg	1000	1000	1000	850
						Environmental-protecting performance	EN71	Meet	Meet	Meet	Do not meet

Here description of the invention and application is illustrative, not wants by scope restriction of the present invention in the above-described embodiments, and therefore, the present invention is not by the restriction of the present embodiment, and the technical scheme that any employing equivalence replacement obtains is all in the scope of protection of the invention.

Claims (5)

1. a new TP U artwork PP Pipe Compound, is characterized in that, its composition is counted as follows by weight:

Thermoplastic elastomer 45-55 part

Poly-hexanodioic acid-glycol ester dibasic alcohol 12-26 part

4,4'-diphenylmethanediisocyanate 6-13 part

BDO 4-10 part

Thermoplastic sulfurized rubber 4-10 part

1,3-diphenylpropane-1，3-dione 5-16 part

Paraffin 6-26 part.

2. a kind of new TP U artwork PP Pipe Compound as claimed in claim 1, it is characterized by, preferably, its moiety is counted as follows by weight:

Thermoplastic elastomer 48 parts

Poly-hexanodioic acid-glycol ester dibasic alcohol 19 parts

4,4'-diphenylmethanediisocyanate 11 parts

BDO 5 parts

Thermoplastic sulfurized rubber 5 parts

1,3-diphenylpropane-1，3-dione 6 parts

12 parts, paraffin.

3. a kind of new TP U artwork PP Pipe Compound as claimed in claim 1 or 2, is characterized by, and the ratio of weight and number of described BDO and thermoplastic sulfurized rubber is 1:1.

4. a kind of new TP U artwork PP Pipe Compound as claimed in claim 1 or 2, it is characterized by, described 1,3-diphenylpropane-1，3-dione and paraffin portion rate are 1:2.

5. a preparation method for new TP U artwork PP Pipe Compound, is characterized by, and its method steps is as follows:

A, by weight claimed range, weigh each composite material;

B, by thermoplastic elastomer, poly-hexanodioic acid-glycol ester dibasic alcohol, 4,4'-diphenylmethanediisocyanate, 1,4-butyleneglycol mixing and stirring, whipping temp is 80-90 DEG C, churning time is 40-70min, add thermoplastic sulfurized rubber, 1,3-diphenylpropane-1，3-dione, paraffin again at the temperature of 90-100 DEG C, to stir 20-30min obtain elementary material;

C, elementary material is added oven for drying, bake out temperature is 120 ~ 180 DEG C, drying 6-10h makes elementary material be solidified into bulk material, take out and put into 85-95 DEG C of curing chamber post curing 12-16 hour, after slaking, diameter is become to be about the dead small of 1-2cm by crusher in crushing bulk material again, shaping finally by Single screw extrusion.