CN202656540U

CN202656540U - High-emulation stainless steel composite steel plate

Info

Publication number: CN202656540U
Application number: CN 201220290702
Authority: CN
Inventors: 王欣南
Original assignee: Suzhou Xinying Special Material Technologies Co Ltd
Current assignee: Suzhou Xinying Special Material Technologies Co Ltd
Priority date: 2012-06-20
Filing date: 2012-06-20
Publication date: 2013-01-09
Anticipated expiration: 2022-06-20

Abstract

The utility model discloses a high-emulation stainless steel composite steel plate and a preparation method thereof. The high-emulation stainless steel composite steel plate comprises a PE (Poly Ethylene) protective film, a hard coating, a PET (polyethylene terephthalate) hairline film, a first bottom coating, a vacuum aluminum coating layer, a second bottom coating, a first adhesive layer, a PVC (polyvinyl chloride) film, a second adhesive layer, a steel plate and a back painting layer, which are placed in sequence from top to bottom and closely combined with each other, wherein the hairline surface of the PET hairline film is downward; and the hard coating, the first bottom coating and the second bottom coating are all UV (Ultraviolet) adhesives. The high-emulation stainless steel composite steel plate disclosed by the utility model has an appearance effect similar to the appearance effect of a real stainless steel plate; moreover, compared with the stainless steel plate, the high-emulation stainless steel composite steel plate disclosed by the utility model has the advantages of comparatively low cost, excellent performance as well as green and environment friendly manufacturing process; and the domestic gap in the high-emulation stainless steel composite steel plate manufacturing field is filled up.

Description

A kind of high emulation stainless compound steel plate

Technical field

The utility model relates to a kind of high emulation stainless compound steel plate.

Background technology

The household electrical appliances composite is that (such as cold-rolled steel sheet, heat zinc coating plate, electrolytic galvanized sheet etc.) apply various high-molecular coatings (such as polyester, silicon modification of (co) polyesters, segregation fluoroethylene resin, polyvinyl chloride, acrylic resin, epoxy resin etc.) or paste the product that upper various plastic sheetings (such as PET, PET-PVC composite membrane etc.) are made on its surface by strict technology controlling and process take metal strap as base material.Technical development has been passed through and simply has been coated with seal, spray printing to processes such as present roller coat, pad pastings.In recent years, along with the develop rapidly of China's economy, the demand of composite is also increasing, causes the also corresponding rapid growth that obtained of China's composite production capacity.At present the most of production equipment of China is built in eighties of last century, employing mostly be spraying coating process.Because there is the problem of environmental pollution of phosphorus and dust in this technique, along with the raising of Environmental Protection in China standard, the raising of living standards of the people and the enhancing of environmental consciousness, these techniques will be in the condition that progressively is eliminated.

Through nearly 30 years unremitting effort, China has become the first big country of household appliances manufacturing.Along with the continuous growth of domestic and international demand, the individual demand of decorative appearance and the upgrading of product also are the important topics that we face.Now people more follow the fashion, environmental protection, the design concept of recovering one's original simplicity and design effect.On appearance tactile impression and physical property, stainless steel materials is desirable material, uses the earliest on kitchen appliance, washing machine and some high-end building materials.This fashion and trend are rooted in the hearts of the people, but the stainless steel materials cost is expensive, and the surface is difficult for arranging, and consumes in a large number rare nickel resources, and sheet material machine-shaping also has technical difficulty.Have now a kind of " high emulation stainless steel film " (high imitative film) and the composite board of steel plate or aluminium sheet to begin to use at household electrical appliances, its relative cost is lower, superior performance, production technology environmental protection, and outward appearance especially true to nature is good enough to pass for genuine.Along with the constantly skilled and breakthrough of producing of technology, it is leading that this technology has progressively become the third generation of household electrical appliances adnornment industry.

High imitative film production technology threshold is high, and complex process will apply to the high-tech technology of multinomial IT and photoelectricity industry.The at present domestic manufacturer that does not have specialty, its film is mainly produced domestic the auxiliary work of doing the applying steel plate by the several companies of Japan and Korea S.

How can produce the high emulation stainless compound steel plate of function admirable, be the problem that those skilled in the art probe into all the time.And China is not to the technology of producing high emulation stainless compound steel plate also not on top of.

The utility model content

The utility model purpose is: for the problems referred to above, the utility model discloses a kind of high emulation stainless compound steel plate, this clad steel plate has the appearance effect very alike with real stainless steel materials, and compare with stainless steel materials, its cost is relatively low, superior performance, production technology environmental protection.The utility model has been filled up the technological gap of China in high emulation stainless compound steel plate field.

The technical solution of the utility model is: a kind of high emulation stainless compound steel plate; by PE diaphragm, hard conating, PET hairline film, the first priming coat, vacuum aluminium coated layer, the second priming coat, the first adhesive phase, PVC film, the second adhesive phase, steel plate and back paint layer that arrange and that mutually be closely linked consist of successively from top to down; the hairline of described PET hairline film faces down; described hard conating is the UV lacquer, and described the first priming coat and the second priming coat are UV glue.

Described the first adhesive phase and the second adhesive phase are polyurethane binder.

The utility model has the advantages that: the prepared high emulation stainless compound steel plate of the utility model process, have the appearance effect very alike with real stainless steel materials, and compare with stainless steel materials, its cost is relatively low, superior performance, production technology environmental protection.The utility model has been filled up the technological gap of China in high emulation stainless compound steel plate field.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described:

Fig. 1 is the structural representation of high emulation stainless compound steel plate among the utility model embodiment;

Wherein: 1-PE diaphragm, 2-hard conating, 3-PET hairline film, 4-the first priming coat, 5-vacuum aluminium coated layer, 6-the second priming coat, 7-the first adhesive phase, 8-PVC film, 9-the second adhesive phase, 10-steel plate, 11-back paint layer.

The specific embodiment

With reference to shown in Figure 1, the high emulation stainless compound steel plate of the present embodiment is by PE diaphragm 1, hard conating 2, PET hairline film 3, the first priming coat 4, vacuum aluminium coated layer 5, the second priming coat 6, the first adhesive phase 7, PVC film 8, the second adhesive phase 9, steel plate 10 and back paint layer 11 that arrange and that mutually be closely linked consist of successively from top to down.Wherein: the hairline of described PET hairline film 3 faces down, and described hard conating 2 is the UV lacquer, and described the first priming coat 4 and the second priming coat 6 are UV glue.Described the first adhesive phase 7 and the second adhesive phase 9 are polyurethane binder.

In the present embodiment, the preparation method of described PET hairline film mainly comprises following two large steps:

1) the solvent-free UV glue at the front of the PET of thick 20 ~ 100um, wide 800 ~ 1500mm film coating thick layer 3 ~ 20um (is solvent-free ultraviolet curing glue, its viscosity is preferably between 500 ~ 1500mPa.s), thereby at the positive solvent-free UV glue-line that forms thick 3 ~ 20um of PET film.

2) will be coated with PET film behind the solvent-free UV glue through the force position of hairline mould roller and rubber roll, described hairline mould roller is pushed the solvent-free UV glue-line in PET film front, and in the time of extruding the UV glue-line be carried out UV and solidify and process.Be shaped with slim and sexy texture on the hairline mould roller, thereby the texture on the hairline mould roller is pressed in (at the careful hair texture of solvent-free UV glue-line formation) on the solvent-free UV glue-line, treat that solvent-free UV glue-line carries out the demoulding when reaching demoulding hardness requirement, continue after the demoulding that solvent-free UV glue-line is carried out UV and solidify processing, make solvent-free UV glue-line reach the hardness of product requirement, finally obtain PET hairline film.Described hairline mould roller is metal material, is provided with hydrologic cycle cooling system in it.The pressure of the force position of described hairline mould roller and rubber roll is 9.8 ~ 39.2N.

The preparation method of the high emulation stainless compound steel plate of the present embodiment may further comprise the steps:

Step 1, at the UV lacquer of the non-hairline face coating thick layer 1 ~ 5um of PET hairline film 3, and this UV glue-line is carried out UV solidify and process the hard conating 2 of formation;

Step 2, carry out UV primary coat (coating UV glue) at the hairline face of PET hairline film 3, the the first priming coat 4(that forms thickness and be 0.5 ~ 1mm is with the adhesive force between the hairline face of REINFORCED PET hairline film and vacuum aluminum-coated), and then carry out vacuum aluminum-coated, thereby form vacuum aluminium coated layers 5 at the first priming coat 4;

Step 3, carry out the UV primary coat on described vacuum aluminium coated layer 5 surfaces, form the second priming coat 6.Then described the second priming coat 6 coating one deck polyurethane binder (coating temperature: 35 ~ 37 ℃, relative humidity: 70%), form the first adhesive phase 7 of thick 3 ~ 10um.After the first adhesive phase is fully dry and PVC film 8 carry out the compound (composite pressure 50 ~ 60N of dry type, 80 ~ 100 ℃ of temperature), make the PET-PVC composite membrane, 50 ℃ ± 5 ℃ lower wearing out 48 hours, make the peeling force of PET and PVC reach 4 ~ 6N/25mm(to guarantee household electrical appliances " Sven-Gan Eriksson " requirement of experiment of colored steel the PET-PVC composite membrane after compound);

Step 4, with steel plate 10 through after cleaning, degreasing and the Passivation Treatment; the steel plate reverse side coating is formed back paint layer 11; the positive coating of steel plate polyurethane binder is formed the second adhesive phase 9; after the heating and the PET-PVC composite membrane that makes of step 3 (the compound tension force 20 ~ 55kg that is combined with each other; composite pressure 4 ~ 6kg); and on PET-PVC composite membrane surface the compound tension force 15 ~ 30kg of compound last layer PE diaphragm 1(again, composite pressure 4 ~ 6kg) just obtains high emulation stainless compound steel plate.

Above-mentioned steel plate 10 both can adopt cold-rolled steel sheet, also can adopt galvanized steel plain sheet; Described galvanized steel plain sheet can be hot-dip galvanizing sheet steel, also can be plated steel sheet.The applicant uses said method, adopts respectively cold-rolled steel sheet, hot-dip galvanizing sheet steel and plated steel sheet to prepare three high emulation stainless compound steel plates, and the performance test results of these three high emulation stainless compound steel plates sees the following form:

Sequence number	Project	Cold-rolled steel sheet	Hot-dip galvanizing sheet steel	Plated steel sheet
					1	Gloss	148°	155°	162°
2	Pencil hardness	H is without obvious cut	H is without obvious cut	H is without obvious cut
					3	Yield strength (Mpa)	220	265	260
4	Hot strength (Mpa)	320	310	290
					5	Extensibility (%)	45	37	42
6	Heat resistance (value of chromatism)	ΔE：0.28	ΔE：0.51	ΔE：0.43
					7	The cross cutting	1mm 100 lattice are without peeling off	1mm 100 lattice are without peeling off	1mm 100 lattice are without peeling off
8	AEG-process	7mm is without peeling off	7mm is without peeling off	7mm is without peeling off

In the upper table, for the detection method of product " heat resistance " be: 150 ℃ of high-temperature cabinets are put in test piece, were placed 1 hour, after having tested with test before test piece aberration relatively, Δ E≤1.0 before and after being heated.

Certainly, above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow people can understand content of the present utility model and implements according to this, can not limit protection domain of the present utility model with this.All equivalent transformation or modifications of doing according to the Spirit Essence of the utility model main technical schemes all should be encompassed within the protection domain of the present utility model.

Claims

1. one kind high emulation stainless compound steel plate; it is characterized in that: it is by PE diaphragm (1) that arrange successively and that mutually be closely linked from top to down; hard conating (2); PET hairline film (3); the first priming coat (4); vacuum aluminium coated layer (5); the second priming coat (6); the first adhesive phase (7); PVC film (8); the second adhesive phase (9); steel plate (10) and back paint layer (11) consist of; the hairline of described PET hairline film (3) faces down; described hard conating (2) is the UV lacquer, and described the first priming coat (4) and the second priming coat (6) are UV glue.

2. high emulation stainless compound steel plate according to claim 1, it is characterized in that: described the first adhesive phase (7) and the second adhesive phase (9) are polyurethane binder.