Summary of the invention
The object of the present invention is to provide the preparation method of sofa artificial leather for a kind of environment-protection type outdoor, it mainly comprises step:
1) at 100-150 ℃ by water-soluble glue or hot-melt on base fabric, carry out drying and processing at 60-150 ℃, make base cloth;
2) in the thermoplastic elastomer (TPE) of 0.6-1 weight portion, add the colouring agent of 0.05-0.2 weight portion and the auxiliary agent of 0.6-0.8 weight portion, mix, heating at 100-360 ℃, with the composite for base fabric making through step 1), cooling after suppressing under 0.2-0.8MPa after melting;
3) by step 2) goods that make strengthen in 30-80 ℃ of water, and drying and processing, makes described environment-protection type outdoor sofa artificial leather.
Preferably, step 1) also comprises that the modifier of the thermoplastic elastomer (TPE) of 0.5-1 weight portion and 0.2-0.6 weight portion is heated to 15-300 ℃ to carry out after melting mixing, bonding under 0.2-0.8MPa with described base cloth.Preferably, described modifier is polyethylene (PE) or ethylene-octene copolymer (POE).
Preferably, described base fabric is nonwoven, woven fabric or super fine cloth.Described water-soluble glue is water-soluble acrylic or water-soluble poval.Described PUR is ethylene-vinyl acetate EVA.Described thermoplastic elastomer (TPE) is any or its any combination in polyurethane elastomer, thermoplastic elastomer (TPE) TPE, phenylethylene elastomer TPR, thermoplastic sulfurized rubber TRV, styrene-butylene copolymer SEBS, styrene block thing SBS, isoprene block thing SIS, ethylene-vinyl acetate EVA, TPUE TPEE, thermoplastic elastomer TPAE.Described colouring agent is Masterbatch or the toner of environment-friendly type.
Preferably, described auxiliary agent is any or its any combination in silicone oil, polyethylene, blowing agent, surfactant.Described blowing agent is AC blowing agent or microballoon blowing agent, and described surfactant is silicone oil.
By adopting the preparation method of sofa artificial leather for environment-protection type outdoor provided by the invention, do not use in process of production solvent, to environment, can not pollute, the raw material adopting is to take thermoplastic elastomer (TPE) as raw material, be environment-friendly materials, replace method and raw material (PVC, the PU) slurry of traditional mode of production synthetic leather, and can reuse.Rim charge can reuse.Solve the problem of environmental pollution existing in traditional mode of production synthetic leather, met the requirement of outdoor goods.
The complete meet the requirement of environmental protection of sofa artificial leather that utilizes the present invention to produce, compares with traditional sofa artificial leather, ageing-resistant, hydrolysis, low temperature resistant, wear-resisting.
For above and other objects of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
The specific embodiment
The invention provides the preparation method of sofa artificial leather for a kind of environment-protection type outdoor, the method comprises the surface treatment to base cloth, the mixture that thermoplastic elastomer (TPE), colouring agent, auxiliary agent form, bonding through extruder heating and melting and base cloth, then by one, be with textured roller (or release liners) compacting to be combined into sofa artificial leather.The present invention is in process of production without any pollution, and the sofa artificial leather making is desirable sofa artificial leather, and it is wear-resisting, low temperature resistant, anti-hydrolytic performance, resistance to xanthochromia.
Below by specific embodiment, technical scheme of the present invention is specifically described, but protection scope of the present invention is not limited to described embodiment.
Embodiment 1
A preparation method for sofa artificial leather for environment-protection type outdoor, as shown in Figure 1.Carry out successively following step:
Using nonwoven as base fabric, at 100 ℃, water-soluble poval is coated on base fabric, at 110 ℃, carry out drying and processing, make base cloth.
By the silicone oil of the rubber-like elastomer TPR of 0.8 weight portion and 0.2 weight portion, carry out melting mixing with the environment-friendly type Masterbatch of 1 weight portion through 160 ℃ of extruder heating, then through die head with carry out compoundly with the release liners of texture and the above-mentioned base cloth making, make the special-purpose sofa artificial leather in preliminary open air under 0.5MPa pressure.
Preliminary outdoor special-purpose sofa artificial leather is strengthened in having 35 ℃ of water, and drying and processing, makes the special-purpose sofa artificial leather of full environment-protection type outdoor.
Resulting environment-protection type outdoor uses the performance indications of sofa artificial leather in Table 1.
Embodiment 2
A preparation method for sofa artificial leather for environment-protection type outdoor, as shown in Figure 1.Carry out successively following step:
Using woven fabric as base fabric, at 140 ℃, water-soluble acrylic is coated on base fabric, at 120 ℃, carry out drying and processing, make base cloth.
By the paraffin of part thermoplastic elastomer (TPE) TPU and 0.2 weight portion of 0.7 weight, through extruder, heat 240 ℃ with the environment-friendly type toner of 1 weight portion and carry out melting mixing, then through die head with carry out compoundly with the release liners of texture and the above-mentioned base cloth making, make the special-purpose sofa artificial leather in preliminary open air under 0.7MPa pressure.
Preliminary outdoor special-purpose sofa artificial leather is strengthened in having 65 ℃ of water, and drying and processing, makes the special-purpose sofa artificial leather of full environment-protection type outdoor.
Resulting environment-protection type outdoor uses the performance indications of sofa artificial leather in Table 1.
Embodiment 3
A preparation method for sofa artificial leather for environment-protection type outdoor, as shown in Figure 1.Carry out successively following step:
Using super fine cloth as base fabric, at 150 ℃, water-soluble acrylic is coated on base fabric, at 90 ℃, carry out drying and processing, make base cloth.
By the polypropylene of the thermoplastic polyester elastomer TPEE of 0.6 weight portion and 0.4 weight portion, carry out melting mixing with the environment-friendly type toner of 0.1 weight portion through 200 ℃ of extruder heating, then through die head with carry out compoundly with the release liners of texture and the above-mentioned base cloth making, make the special-purpose sofa artificial leather in preliminary open air under 0.6MPa pressure.
Preliminary outdoor special-purpose sofa artificial leather is strengthened in having 75 ℃ of water, and drying and processing, makes the special-purpose sofa artificial leather of full environment-protection type outdoor.
Resulting environment-protection type outdoor uses the performance indications of sofa artificial leather in Table 1.
Embodiment 4
A preparation method for sofa artificial leather for environment-protection type outdoor, as shown in Figure 1.Carry out successively following step:
Using super fine cloth as base fabric, at 130 ℃, ethylene-vinyl acetate copolymer EVA is coated on base fabric, at 80 ℃, carry out drying and processing, make base cloth.
By the microballoon blowing agent of the thermoplastic elastomer TPAE of 0.9 weight portion and 0.1 weight portion, carry out melting mixing with the environment-friendly type color masterbatch of 0.02 weight portion through 260 ℃ of extruder heating, then through die head with carry out compoundly with the release liners of texture and the above-mentioned base cloth making, make the special-purpose sofa artificial leather in preliminary open air under 0.4MPa pressure.
Preliminary outdoor special-purpose sofa artificial leather is strengthened in having 30 ℃ of water, and drying and processing, makes the special-purpose sofa artificial leather of full environment-protection type outdoor.
Resulting environment-protection type outdoor uses the performance indications of sofa artificial leather in Table 1.
Embodiment 5
A preparation method for sofa artificial leather for environment-protection type outdoor, as shown in Figure 1.Carry out successively following step:
Using nonwoven as base fabric, at 100 ℃, ethylene-vinyl acetate copolymer EVA is coated on base fabric, at 110 ℃, carry out drying and processing, make base cloth, then the modifier polyethylene (PE) of the thermoplastic elastomer (TPE) TPE of 0.5 weight portion and 0.5 weight portion being heated to 150 ℃ carries out after melting mixing, add and be pressed under 0.2MPa bondingly with the above-mentioned base cloth making, make the base material with some strength.
By the silicone oil of the mixture of the thermoplastic elastomer (TPE) TPE of 1 weight portion, styrene-butylene copolymer SEBS and styrene block thing SBS (three mixes with the ratio of 1:1:1) and 0.6 weight portion, carry out melting mixing with the environment-friendly type color masterbatch of 0.05 weight portion through 100 ℃ of extruder heating, then through die head with carry out compoundly with the release liners of texture and the above-mentioned base cloth making, make the special-purpose sofa artificial leather in preliminary open air under 0.2MPa pressure.
Preliminary outdoor special-purpose sofa artificial leather is strengthened in having 75 ℃ of water, and drying and processing, makes the special-purpose sofa artificial leather of full environment-protection type outdoor.
Resulting environment-protection type outdoor uses the performance indications of sofa artificial leather in Table 1.
Embodiment 6
A preparation method for sofa artificial leather for environment-protection type outdoor, as shown in Figure 1.Carry out successively following step:
Using woven fabric as base fabric, at 120 ℃, ethylene-vinyl acetate EVA is coated on base fabric, at 150 ℃, carry out drying and processing, make base cloth, then the modifier ethylene-octene copolymer (POE) of the ethylene-vinyl acetate EVA of 1 weight portion and 0.6 weight portion being heated to 300 ℃ carries out after melting mixing, add and be pressed under 0.8MPa bondingly with the above-mentioned base cloth making, make the base material with some strength.
By the polypropylene of the mixture of pentadiene block thing SiS, the ethylene-vinyl acetate EVA of 1 weight portion and thermoplastic sulfurized rubber TPU (three mixes with the ratio of 1:1:1) and 0.8 weight portion, carry out melting mixing with the environment-friendly type toner of 2 weight portions through 360 ℃ of extruder heating, then through die head with carry out compoundly with the release liners of texture and the above-mentioned base cloth making, make the special-purpose sofa artificial leather in preliminary open air under 0.8MPa pressure.
Preliminary outdoor special-purpose sofa artificial leather is strengthened in having 80 ℃ of water, and drying and processing, makes the special-purpose sofa artificial leather of full environment-protection type outdoor.
Resulting environment-protection type outdoor uses the performance indications of sofa artificial leather in Table 1.
The synthetic leather index contrast of being produced by the prepared synthetic leather of the present invention and prior art is as follows:
Table 1
Above-described is only the preferred embodiment of the present invention.It should be pointed out that for the person of ordinary skill of the art, under the premise without departing from the principles of the invention, can also do some distortion and improvement, all these should be considered as belonging to protection of the present invention.