CN105297466A

CN105297466A - PVC synthetic leather containing green tea extracts and production method thereof

Info

Publication number: CN105297466A
Application number: CN201510706709.8A
Authority: CN
Inventors: 黄浩
Original assignee: Wuhu Hongkun Auto Parts Co Ltd
Current assignee: Wuhu Hongkun Auto Parts Co Ltd
Priority date: 2015-10-27
Filing date: 2015-10-27
Publication date: 2016-02-03

Abstract

The invention discloses PVC synthetic leather containing green tea extracts. The PVC synthetic leather is prepared from, by weight, 30-60 parts of PVC SG-5, 15-30 parts of PVC SG-8, 50-80 parts of diethyl phthalate, 2-4 parts of triethyl citrate, 0.1-0.5 part of ethyl p-hydroxybenzoate, 5-10 parts of fluorite ore powder, 10-15 parts of vermiculite powder, 5-10 parts of tea oil seedcake meal, 2-4 parts of glycerin, 1-3 parts of sodium stearate, 1-2 parts of xanthan gum, 0.5-1 part of flaxseed gum, 1-2 parts of green tea extracts, 0.2-1 part of polyoxyethylene isooctyl ether phosphate, 0.5-1 part of lauryl sodium sulfate, 5-10 parts of pigment and 5-10 parts of modification additives. The PVC synthetic leather can effectively prevent bacteria, has the anti-oxidation and anti-corrosion effect, can effectively improve the phenomenon that products become yellow and go bad, is good in physical performance, accords with industrial standard requirements and is wide in application range.

Description

A kind of PVC synthetic leather containing green-tea extract and production method thereof

Technical field

The present invention relates to polymeric material field, be specifically related to a kind of PVC synthetic leather containing green-tea extract and production method thereof.

Background technology

At present, synthetic leather is mainly divided into polyvinyl chloride (PVC) synthetic leather and polyurethane (PU) synthetic leather two kinds.PU synthetic leather feel and presentation quality good, but on the high side, service life is not long, and at present more ripe PU synthetic leather technique needs a large amount of DMF that uses as solvent, and environmental effect is bad; PVC synthetic leather price is low, and physical property can reach quality requirement, and shortcoming is that feel and presentation quality are slightly poor, and poor air permeability, limit it and use widely.

Summary of the invention

The object of this invention is to provide a kind of PVC synthetic leather of good performance containing green-tea extract.

The present invention is achieved by the following technical solutions:

Containing a PVC synthetic leather for green-tea extract, comprise base cloth layer and layer of PVC, wherein:

Layer of PVC is obtained by the raw material of following weight parts:

PVCSG-530-60, PVCSG-815-30, diethyl phthalate 50-80, triethyl citrate 2-4, ethyl-para-hydroxybenzoate 0.1-0.5, fluorite breeze 5-10, vermiculite power 10-15, tea seed grouts 5-10, glycerine 2-4, odium stearate 1-3, xanthans 1-2, flaxseed gum 0.5-1, green-tea extract 1-2, Phosphate of Polyoxyethylene Isooctyl Ether 0.2-1, lauryl sodium sulfate 0.5-1, colorant 5-10, modified additive 5-10;

Wherein modified additive is made up of the raw material of following weight portion:

Wood pulp fibre 10-15, talcum powder 5-10, corncob cellulose 10-15, cornstarch 1-5, sodium carboxymethylcellulose 3-6, calgon 1-3, nano titanium oxide 0.2-1, Tissuemat E 0.5-1, sweet mellow wine 1-2, oleic acid 0.1-0.3, dodecyl dimethyl benzyl ammonium bromide 1-2;

The preparation method of modified additive is:

Appropriate 5-10% acetum is added after being mixed with talcum powder, dodecyl dimethyl benzyl ammonium bromide by wood pulp fibre, 600-800r/min filters and drying after stirring 1-2h, add nano titanium oxide, 800-1000 DEG C of calcining 1-2h, reprocessing 2-4h after being cooled to 200-400 DEG C, corncob cellulose and cornstarch is added after cooling, all the other raw materials are added after 100-150 DEG C of process 2-3h, after mixing, preliminary grinding evenly, 60-80 DEG C, 200-400r/min stirs 2-4h, be ground to 500-1000 order after cooling, obtain final product;

Containing a production method for the PVC synthetic leather of green-tea extract, comprise the following steps:

(1) xanthans and flaxseed gum are added the acetum of appropriate 2-8%, 60-80 DEG C, 200-400r/min stirs 15-30min, add green-tea extract, odium stearate, glycerine and Phosphate of Polyoxyethylene Isooctyl Ether, 60-80 DEG C, 800-1000r/min stirs 30-60min, after spraying dry active powder;

(2) by 600-800 DEG C of calcining 1-2h after fluorite breeze and vermiculite power mixing, cooling after and tea seed grouts mixed grinding to 500-1000 order, mix with active powder and all the other raw materials, first with 200-400r/min stirring at low speed 15-30min, then filter with 1000-1500r/min high-speed stirred 45-90min, 100-200 order, add banbury, 120-150 DEG C of plasticizing 500-700s, then 140-160 DEG C is opened refining, obtains layer of PVC slurry;

(3) binding agent is applied to Ji Bushang, dry and after cooling by calender lamination by layer of PVC slurry and composite for base fabric, cooling rolling, to obtain final product.

Advantage of the present invention is:

1. the present invention is by adding active ingredient green-tea extract, effectively inhibits bacterium at synthetic leather surface colonization, has anti-oxidant, corrosion-resistant effect simultaneously, effectively improve product yellow denaturalization phenomenon, improves the quality stability of product;

2., by adding modified additive, improve the permeability of PVC synthetic leather, make it overcome air-locked shortcoming, have certain ventilative moisture absorption effect, range of application is more extensive;

3. to have been improved the feel of synthetic leather and presentation quality by recipe optimization, made it have the naturally comfortable feel being similar to natural leather.

Detailed description of the invention

Non-limiting examples of the present invention is as follows:

Embodiment 1

Layer of PVC is made up of the raw material of following weight (kg):

PVCSG-540, PVCSG-825, diethyl phthalate 70, triethyl citrate 3, ethyl-para-hydroxybenzoate 0.4, fluorite breeze 8, vermiculite power 12, tea seed grouts 7, glycerine 3, odium stearate 2, xanthans 1.5, flaxseed gum 0.8, green-tea extract 1.5, Phosphate of Polyoxyethylene Isooctyl Ether 0.8, lauryl sodium sulfate 0.7, colorant 7, modified additive 8;

Wherein modified additive is made up of the raw material of following weight (kg):

Wood pulp fibre 12, talcum powder 8, corncob cellulose 12, cornstarch 4, sodium carboxymethylcellulose 5, calgon 2, nano titanium oxide 0.5, Tissuemat E 0.8, sweet mellow wine 1.5, oleic acid 0.2, dodecyl dimethyl benzyl ammonium bromide 1.5;

The preparation method of modified additive is:

Appropriate 5% acetum is added after being mixed with talcum powder, dodecyl dimethyl benzyl ammonium bromide by wood pulp fibre, 600r/min filters and drying after stirring 2h, add nano titanium oxide, 1000 DEG C of calcinings 1h, reprocessing 2h after being cooled to 400 DEG C, corncob cellulose and cornstarch is added after cooling, add all the other raw materials after 100 DEG C of process 2h, after mixing, preliminary grinding evenly, 60 DEG C, 400r/min stirs 2h, be ground to 800 orders after cooling, obtain final product;

Its production method comprises the following steps:

(1) xanthans and flaxseed gum are added the acetum of appropriate 6%, 80 DEG C, 400r/min stirs 15min, add green-tea extract, odium stearate, glycerine and Phosphate of Polyoxyethylene Isooctyl Ether, 60 DEG C, 800r/min stirs 60min, after spraying dry active powder;

(2) by fluorite breeze and the rear 800 DEG C of calcining 1h of vermiculite power mixing, cool rear and tea seed grouts mixed grinding to 500 order, mix with active powder and all the other raw materials, first with 400r/min stirring at low speed 30min, then with 1500r/min high-speed stirred 45min, 100 orders filter, add banbury, 140 DEG C of plasticizings, then 160 DEG C are opened refining, obtain layer of PVC slurry;

(3) using aqueous polyurethane as binding agent, by layer of PVC slurry and base cloth by four-roll calender calender lamination at 160 DEG C, speed is 50 ms/min, and cooling rolling, product is through surface effect process, and quality test results is qualified, can dispatch from the factory.

Through properties of product test, this product warp direction stretching load 287.5N, broadwise tensile load 219.6N, warp-wise elongation at break 13.2%, broadwise elongation at break 20.7%, warp-wise tears load 17.3N, broadwise tears load 22.2N, and degradation does not ftracture, and meets the requirement of industry standard.

Claims

1., containing a PVC synthetic leather for green-tea extract, comprise base cloth layer and layer of PVC, it is characterized in that:

Described layer of PVC is obtained by the raw material of following weight parts:

Described modified additive is made up of the raw material of following weight portion:

The preparation method of described modified additive is:

Appropriate 5-10% acetum is added after being mixed with talcum powder, dodecyl dimethyl benzyl ammonium bromide by wood pulp fibre, 600-800r/min filters and drying after stirring 1-2h, add nano titanium oxide, 800-1000 DEG C of calcining 1-2h, reprocessing 2-4h after being cooled to 200-400 DEG C, corncob cellulose and cornstarch is added after cooling, all the other raw materials are added after 100-150 DEG C of process 2-3h, after mixing, preliminary grinding evenly, 60-80 DEG C, 200-400r/min stirs 2-4h, be ground to 500-1000 order after cooling, obtain final product.

2. the preparation method of a kind of PVC synthetic leather containing green-tea extract according to claim 1, is characterized in that, comprise the following steps:

(2) by 600-800 DEG C of calcining 1-2h after fluorite breeze and vermiculite power mixing, cooling after and tea seed grouts mixed grinding to 500-1000 order, mix with active powder and all the other raw materials, first with 200-400r/min stirring at low speed 15-30min, then filter with 1000-1500r/min high-speed stirred 45-90min, 100-200 order, add banbury, 140-160 DEG C of plasticizing, then 140-170 DEG C is opened refining, obtains layer of PVC slurry;

(3) using aqueous polyurethane as binding agent, by layer of PVC slurry and base cloth by four-roll calender calender lamination at 160-180 DEG C, speed is 40-60 m/min, and cooling rolling, product is through surface effect process, and quality test results is qualified, can dispatch from the factory.