CN203487404U

CN203487404U - True color embossed leather

Info

Publication number: CN203487404U
Application number: CN201320644233.6U
Authority: CN
Inventors: 查洪涛; 查治彤
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-10-18
Filing date: 2013-10-18
Publication date: 2014-03-19
Anticipated expiration: 2023-10-18

Abstract

The utility model discloses a true color embossed leather, comprising an embossed leather body which is press-molded by a three-dimensional mold and provided with concave-convex fluctuant three-dimensional patterns on the surface, wherein a coat of color is applied to the upper surface of the embossed leather body; a color ink layer is sprayed on the upper surface of the coat of color; the upper surface of the color ink layer is covered with a wearing layer. The true color embossed leather provided by the utility model is rich in color, and has a bright and novel visual effect; in the meantime, as the embossed leather has the concave-convex stereo effect, people can have a strong sense of touch while touching the embossed leather.

Description

A kind of RGB embossment leather

Technical field

The utility model relates to embossment leather, particularly a kind of RGB embossment leather.

Background technology

In leather substance industry, leather is the good product of a kind of pliability, and it is utilized rightly and can produce the various goods with beautiful pattern.For increasing the attractive in appearance and feel of leather, can make leather produce anaglyph by pressure molding, i.e. direct pressing embossment on leather, but this leather color is relatively single, main monochromatic or only have several colors.

In recent years, occurred that some can produce the method for the leather products with three-D pattern, publication number is that the utility model patent of CN 1899857 A discloses a kind of leather carving process, this technique is carried out hot pressing matched moulds again by paste composite PVC at the leather back side, embossment height on leather is increased greatly, and do not produce leather breakage, cracking, pattern is not accurate, bubble, there are the problems such as obvious wrinkle, and embossment is attractive in appearance, there is natural effect, but this technique also can only obtain two kinds of contrastive colours after polishing, pattern color is abundant not, the visual effect producing is more dull.

Summary of the invention

The utility model is intended to provide a kind of rich color and visual effect is true to nature, touch the RGB embossment leather that sense is obvious, ABRASION RESISTANCE is good.

A kind of RGB embossment leather, comprise the embossment leather body by the compressing surface of three-dimensional mould with ups and downs 3-D graphic, the upper surface of described embossment leather body is coated with dyed layer, the upper surface air brushing of dyed layer has color ink layer, and is coated with wearing layer at the upper surface of color ink layer.

A manufacture method for RGB embossment leather, comprises the steps:

1) select the three-dimensional mould corresponding with the embossing pattern of required manufacture embossment leather;

2) leather is placed under three-dimensional mould, the temperature of rising three-dimensional mould, the pressure of raising three-dimensional mould, carries out high temperature punching press, and cooling and shaping, obtains embossment leather body;

3) the leather air brushing colouring agent preparing is evenly sprayed on to the upper surface of embossment leather body, fully dries, form dyed layer;

4) upper surface at dyed layer by the even air brushing of the very color color ink of the printing choosing, fully dries, and forms color ink layer;

5) the leather wear-resistant protection agent preparing is evenly sprayed on to the upper surface of color ink layer, fully dries, form wearing layer, obtain RGB embossment leather.

Step 2) temperature that in, the technological parameter of high temperature punching press is three-dimensional mould is increased to 80 ~ 110 ℃, and the pressure of three-dimensional mould is increased to the high pressure of 15 ~ 20 kilogram/square centimeters, and the retention time of high temperature punching press is 10 ~ 15 seconds.

Wherein, the leather air brushing colouring agent described in step 3), by weight, comprises following component:

28 ~ 42 parts of butyl acrylates; 96 ~ 144 parts, water, 26 ~ 40 parts of methyl methacrylates; 0.4 ~ 0.6 part of ammonium persulfate; 4 ~ 6 parts of divinylbenzenes; 3.2 ~ 4.8 parts of emulsifier os; 1.6 ~ 2.4 parts, acrylic acid; 1.6 ~ 2.4 parts of sodium polymethacrylates.

The preparation method of above-mentioned leather air brushing colouring agent, comprises the steps:

3.2 ~ 4.8 parts of emulsifier os, 1.6 ~ 2.4 parts of sodium polymethacrylates, 28 ~ 42 parts of butyl acrylates, 26 ~ 40 parts of methyl methacrylates, 4 ~ 6 parts of divinylbenzenes, 1.6 ~ 2.4 parts of acrylic acid and 80wt% water are added to reaction pot, strong stirring, fully emulsified, obtain pre-emulsion; 0.4 ~ 0.6 part of ammonium persulfate obtains ammonium sulfate by the water-soluble solution of 12wt%, gets the above-mentioned pre-emulsion of 15wt%, is warming up to 60 ℃, adds 15wt% ammonium persulfate solution and remaining water, until feed liquid starts slightly to turn blue; Drip residue 85wt% pre-emulsion and residue 85wt% ammonium persulfate solution simultaneously, controlling time for adding is 5-6 hours, and make ammonium persulfate solution be slightly slower than pre-emulsion to drip, after pre-emulsion adds, remaining ammonium persulfate solution is all added to reaction pot, be warming up to 90 ℃, keep l hour, be cooled to below 35 ℃, discharging, obtains leather air brushing colouring agent.

Wherein, the leather wear-resistant protection agent described in step 5), by weight, comprises following component:

1160 ~ 1740 parts of polyester-diols; 600 ~ 900 parts of polyester polyol; 6.2 ~ 9.3 parts of dibutyl tin laurates; 560 ~ 840 parts of TDI; 132 ~ 198 parts of diglycols; 8160 ~ 12240 parts, acetone; 80 ~ 120 parts of triethylamines; 116 ~ 174 parts, tartaric acid.

The preparation method of above-mentioned leather wear-resistant protection agent, comprises the steps:

1160 ~ 1740 parts of polyester-diols, 600 ~ 900 parts of polyester polyol are shunk in 120 ℃ of decompressions, be cooled to 60 ℃, add 6.2 ~ 9.3 parts of dibutyl tin laurates, 560 ~ 840 parts of TDI, reaction 3-5 hour, makes base polyurethane prepolymer for use as; Add 132 ~ 198 parts of diglycols, 80 ℃ are continued reaction 2.5 hours, are cooled to 45 ℃, add 116 ~ 174 parts of tartaric acid and 2800 ~ 4200 parts of solution that acetone forms, and 55～60 ℃ of reactions, after 1 hour, add 4800 ~ 7200 parts of acetone diluted; In this solution, add 80 ~ 120 parts of triethylamines and 560 ~ 840 parts of solution that acetone forms, stir; Under high degree of agitation, slowly add distilled water, resin is by the transparent white paste that becomes, and gradually by thick thinning; At 55～65 ℃, acetone is removed in decompression distillation, obtains the agent of leather wear-resistant protection.

The very color color ink of printing described in step 4), is the conventional RGB ink that can directly buy on the market, and it is prior art.

RGB embossment leather described in the utility model, adopt computer three-dimensional data in kind to become three-dimensional mould with high accuracy three-dimensional Carving Machining, and make embossment leather body in conjunction with the compressing mode of High Temperature High Pressure, the embossment leather of making is indeformable at normal temperatures, embossment leather body is stereo concave-convex effect, touch obviously good hand touch.Simultaneously, it is coated with the leather air brushing colouring agent that is applicable to adhering to color and firm color mixing specially on embossment leather body, its absorbency is strong, being coated in described embossment leather body surface and leather bonds firmly forms after dyed layer, the abundant RGB ink in conjunction with color ink layer of this dyed layer energy, make embossment leather surface rich color, the beautiful novelty of visual effect; On color ink layer, be coated with the agent of leather wear-resistant protection, be combined with leather and form the good wearing layer of ABRASION RESISTANCE, make leather there is good anti-wear performance, durable in use, be difficult for grinding away.

Accompanying drawing explanation

Fig. 1 is the front section view of RGB embossment leather of the present utility model.

In figure: 1, embossment leather body; 2, dyed layer; 3, color ink layer; 4, wearing layer.

The specific embodiment

As shown in Figure 1, a kind of RGB embossment leather, comprise the embossment leather body 1 by the compressing surface of three-dimensional mould with ups and downs 3-D graphic, the upper surface of described embossment leather body 1 is coated with dyed layer 2, the upper surface air brushing of dyed layer 2 has color ink layer 3, and is coated with wearing layer 4 at the upper surface of color ink layer 3.

The manufacture method of above-mentioned RGB embossment leather, comprises the steps:

3, the manufacture method of RGB embossment leather according to claim 2, it is characterized in that, step 2) temperature that in, the technological parameter of high temperature punching press is three-dimensional mould is increased to 80 ~ 110 ℃, the pressure of three-dimensional mould is increased to the high pressure of 15 ~ 20 kilogram/square centimeters, and the retention time of high temperature punching press is 10 ~ 15 seconds.。

Step 2) temperature that in, the technological parameter of high temperature punching press is three-dimensional mould is increased to 80 ~ 110 ℃, and the pressure of three-dimensional mould is increased to the high pressure of 15 ~ 20 kilogram/square centimeters, and the retention time of high temperature punching press is 10 ~ 15 seconds.By above-mentioned technology controlling and process, can make the stamping forming embossment leather of high temperature body, molding effect is better, moulding is more stable.

Wherein, form the leather air brushing colouring agent of dyed layer, by weight, comprise following component: 28 ~ 42 parts of butyl acrylates; 96 ~ 144 parts, water, 26 ~ 40 parts of methyl methacrylates; 0.4 ~ 0.6 part of ammonium persulfate; 4 ~ 6 parts of divinylbenzenes; 3.2 ~ 4.8 parts of emulsifier os; 1.6 ~ 2.4 parts, acrylic acid; 1.6 ~ 2.4 parts of sodium polymethacrylates; Its preparation method is: 3.2 ~ 4.8 parts of emulsifier os, 1.6 ~ 2.4 parts of sodium polymethacrylates, 28 ~ 42 parts of butyl acrylates, 26 ~ 40 parts of methyl methacrylates, 4 ~ 6 parts of divinylbenzenes, 1.6 ~ 2.4 parts of acrylic acid and 80wt% water are added to reaction pot, strong stirring, fully emulsified, obtain pre-emulsion; 0.4 ~ 0.6 part of ammonium persulfate obtains ammonium sulfate by the water-soluble solution of 12wt%, gets the above-mentioned pre-emulsion of 15wt%, is warming up to 60 ℃, adds 15wt% ammonium persulfate solution and remaining water, until feed liquid starts slightly to turn blue; Drip residue 85wt% pre-emulsion and residue 85wt% ammonium persulfate solution simultaneously, controlling time for adding is 5-6 hours, and make ammonium persulfate solution be slightly slower than pre-emulsion to drip, after pre-emulsion adds, remaining ammonium persulfate solution is all added to reaction pot, be warming up to 90 ℃, keep l hour, be cooled to below 35 ℃, discharging, obtains.

In addition, form the leather wear-resistant protection agent of wearing layer, by weight, comprise following component: 1160 ~ 1740 parts of polyester-diols; 600 ~ 900 parts of polyester polyol; 6.2 ~ 9.3 parts of dibutyl tin laurates; 560 ~ 840 parts of TDI; 132 ~ 198 parts of diglycols; 8160 ~ 12240 parts, acetone; 80 ~ 120 parts of triethylamines; 116 ~ 174 parts, tartaric acid; Its preparation method is: 1160 ~ 1740 parts of polyester-diols, 600 ~ 900 parts of polyester polyol are shunk in 120 ℃ of decompressions, be cooled to 60 ℃, add 6.2 ~ 9.3 parts of dibutyl tin laurates, 560 ~ 840 parts of TDI, reaction 3-5 hour, makes base polyurethane prepolymer for use as; Add 132 ~ 198 parts of diglycols, 80 ℃ are continued reaction 2.5 hours, are cooled to 45 ℃, add 116 ~ 174 parts of tartaric acid and 2800 ~ 4200 parts of solution that acetone forms, and 55～60 ℃ of reactions, after 1 hour, add 4800 ~ 7200 parts of acetone diluted; In this solution, add 80 ~ 120 parts of triethylamines and 560 ~ 840 parts of solution that acetone forms, stir; Under high degree of agitation, slowly add distilled water, resin is by the transparent white paste that becomes, and gradually by thick thinning; At 55～65 ℃, acetone is removed in decompression distillation, obtains.

Claims

1. a RGB embossment leather, it is characterized in that: comprise the embossment leather body (1) by the compressing surface of three-dimensional mould with ups and downs 3-D graphic, the upper surface of described embossment leather body (1) is coated with dyed layer (2), the upper surface air brushing of dyed layer (2) has color ink layer (3), and is coated with wearing layer (4) at the upper surface of color ink layer (3).