CN103352373A - High-breathable and wearable sofa fabrics and preparation method thereof - Google Patents

Abstract

Provided are high-breathable and wearable sofa fabrics and a preparation method thereof. The sofa fabrics are characterized in that the sofa fabrics are formed by two layers in a composite mode, wherein the base material is cloth, the upper layer is a foaming PVC resin layer, and the upper layer is prepared by the following raw materials in parts by weight: 40 to 50 parts of SG-3 type PVC resin, 2 to 3 parts of silicon carbide, 6 to 8 parts of polyvinyl alcohol, 3 to 4 parts of poly-1-butene, 2 to 3 parts of zinc oxide, 5 to 10 parts of wollastonite powder, 2 to 3 parts of methyltrimethoxysilane, 5 to 7 parts of bis-dodecyl alcohol ester, 2 to 3 parts of stearic acid, 8 to 10 parts of protein powder, 3 to 4 parts of isophthalate, 0.3 to 0.5 parts of azodicarbonamide and 3 to 4 parts of modified clay powder. Through formula and technology improvements provided by the invention, the air permeability and flexibility of synthetic leather is enhanced; the fabric layers are subjected to foaming treatment so that the synthetic leather has natural and comfortable hand feel similar to that of natural leather; and the synthetic leather is not easily damaged or torn within 3 to 5 years, thereby being suitable to be used as the fabrics of a sofa.

Description

Sofa fabric that good permeability is wear-resisting and preparation method thereof

Technical field

The invention belongs to a kind of chemical synthesis leather facing material processing technique field, specifically a kind of polyvinyl chloride synthetic leather and preparation method thereof.

Background technology

The hydrolysis that the polyvinyl chloride synthetic leather has, wear-resisting, scratch resistance, the advantage such as fire-retardant, be widely used in the aspects such as high-grade sport footwear, case and bag, sofa, but it still has many deficiencies at aspects such as flexibility, gas permeability, feel, anti-complications, need to improve with technique its prescription.

Summary of the invention

The object of the present invention is to provide wear-resisting sofa fabric of a kind of good permeability and preparation method thereof, the synthetic leather good product quality of production.

Purpose of the present invention can be achieved through the following technical solutions:

The sofa fabric that a kind of good permeability is wear-resisting, it is characterized in that compoundly consisting of by two layers, base material is cloth, the upper strata is the foaming PVC resin bed, and the upper strata is made by the raw material of following weight portion: SG-3 type polyvinyl chloride resin 40-50, carborundum 2-3, polyvinyl alcohol 6-8, poly-1-butylene 3-4, zinc oxide 2-3, wollastonite in powder 5-10, MTMS 2-3, two Lauryl Alcohol ester 5-7, stearic acid 2-3, protein powder 8-10, isophthalic acid ester 3-4, Celogen Az 0.3-0.5, modified clay powder 3-4;

Described modified clay powder makes by the following method: clay is put into 460-480 ℃ of lower calcining 3-4 hour, take out cooling, pulverize; Add again the morpholine of Rosa Damascana, the 2-3% of sodium phosphate trimer, the 2-3% of the aluminium nitride be equivalent to clay powders weight 5-8%, 3-4%, the di-n-octyl of 3-4%-4-isothiazoline-3-ketone, mix and blend 30-40 minute, and then spray into the Silane coupling agent KH550 that is equivalent to clay powders weight 3-5%, 13000-16000 rev/min of lower the stirring 60-70 minute, and get final product.

The preparation method of the sofa fabric that good permeability is wear-resisting is characterized in that may further comprise the steps:

A) with carborundum, polyvinyl alcohol, poly-1-butylene, zinc oxide, wollastonite in powder, MTMS, two Lauryl Alcohol ester, protein powder, under 105-110 ℃ through high-speed mixer mixing 8-12 minute, then, be cooled to 95-100 ℃, add residual components, stirred 5-8 minute, then, under expect that mill carries out fitting to adhesive tape machine after fully mixing, the upper strata is attached on the base material;

C) semi-finished product that post are foamed to foaming furnace, foaming parameter is one case 110-120 ℃; Two the casees 130-135 ℃; Three the casees 150-170 ℃; Four the casees 185-1950 ℃; Five the casees 140-150 ℃; Speed 15-20 m/min;

D) product is processed through surface effect after the foaming;

E) finished product inspection is qualified, dispatches from the factory.

The present invention has increased gas permeability, the pliability of synthetic leather by prescription and process modification, and surface layer is processed through foaming, has to be similar to the naturally comfortable feel that natural leather has; 3-5 is not easy breakage or tears damage, is suitable for as sofa fabric.

The specific embodiment

The sofa fabric that a kind of good permeability is wear-resisting, compoundly consist of by two layers, base material is cloth, the upper strata is the foaming PVC resin bed, and the upper strata is made by the raw material of following weight portion (kilogram): SG-3 type polyvinyl chloride resin 40, carborundum 2, polyvinyl alcohol 6, poly-1-butylene 4, zinc oxide 2, wollastonite in powder 10, MTMS 2, two Lauryl Alcohol ester 7, stearic acid 2, protein powder 8, isophthalic acid ester 4, Celogen Az 0.5, modified clay powder 3;

The preparation method of the sofa fabric that good permeability is wear-resisting is characterized in that may further comprise the steps:

A) with carborundum, polyvinyl alcohol, poly-1-butylene, zinc oxide, wollastonite in powder, MTMS, two Lauryl Alcohol ester, protein powder, under 105-110 ℃ through high-speed mixer mixing 8-12 minute, then, be cooled to 95-100 ℃, add residual components, stirred 5-8 minute, then, under expect that mill carries out fitting to adhesive tape machine after fully mixing, the upper strata is attached on the base material;

C) semi-finished product that post are foamed to foaming furnace, foaming parameter is one case 110-120 ℃; Two the casees 130-135 ℃; Three the casees 150-170 ℃; Four the casees 185-1950 ℃; Five the casees 140-150 ℃; Speed 15-20 m/min;

D) product is processed through surface effect after the foaming;

E) finished product inspection is qualified, dispatches from the factory.

Described modified clay powder makes by the following method:

Clay is put into 460-480 ℃ of lower calcining 4 hours, take out cooling, pulverize; Add again the aluminium nitride be equivalent to clay powders weight 5%, 3% sodium phosphate trimer, 2% Rosa Damascana, 3% morpholine, 3% di-n-octyl-4-isothiazoline-3-ketone, mix and blend 30-40 minute, and then spray into the Silane coupling agent KH550 that is equivalent to clay powders weight 3%, 13000-16000 rev/min of lower the stirring 60-70 minute, and get final product.

Synthetic leather of the present invention detects: stretch breaking strength/broadwise stretch breaking strength radially〉440N/3CM, directly/and filling-tear resistance〉30N ,-10 ℃ of low temperature flexibility can reach anti-tortuous 30,000 times, and degradation does not ftracture.Good air permeability.

Claims (2)

1. sofa fabric that good permeability is wear-resisting, it is characterized in that compoundly consisting of by two layers, base material is cloth, the upper strata is the foaming PVC resin bed, and the upper strata is made by the raw material of following weight portion: SG-3 type polyvinyl chloride resin 40-50, carborundum 2-3, polyvinyl alcohol 6-8, poly-1-butylene 3-4, zinc oxide 2-3, wollastonite in powder 5-10, MTMS 2-3, two Lauryl Alcohol ester 5-7, stearic acid 2-3, protein powder 8-10, isophthalic acid ester 3-4, Celogen Az 0.3-0.5, modified clay powder 3-4;

Described modified clay powder makes by the following method: clay is put into 460-480 ℃ of lower calcining 3-4 hour, take out cooling, pulverize; Add again the morpholine of Rosa Damascana, the 2-3% of sodium phosphate trimer, the 2-3% of the aluminium nitride be equivalent to clay powders weight 5-8%, 3-4%, the di-n-octyl of 3-4%-4-isothiazoline-3-ketone, mix and blend 30-40 minute, and then spray into the Silane coupling agent KH550 that is equivalent to clay powders weight 3-5%, 13000-16000 rev/min of lower the stirring 60-70 minute, and get final product.

2. the preparation method of the sofa fabric that good permeability according to claim 1 is wear-resisting is characterized in that may further comprise the steps:

A) with carborundum, polyvinyl alcohol, poly-1-butylene, zinc oxide, wollastonite in powder, MTMS, two Lauryl Alcohol ester, protein powder, under 105-110 ℃ through high-speed mixer mixing 8-12 minute, then, be cooled to 95-100 ℃, add residual components, stirred 5-8 minute, then, under expect that mill carries out fitting to adhesive tape machine after fully mixing, the upper strata is attached on the base material;

C) semi-finished product that post are foamed to foaming furnace, foaming parameter is one case 110-120 ℃; Two the casees 130-135 ℃; Three the casees 150-170 ℃; Four the casees 185-1950 ℃; Five the casees 140-150 ℃; Speed 15-20 m/min;

D) product is processed through surface effect after the foaming;

E) finished product inspection is qualified, dispatches from the factory.