CN109808278B - PETG (polyethylene terephthalate glycol) and PVC (polyvinyl chloride) composite decorative material and preparation method thereof - Google Patents
PETG (polyethylene terephthalate glycol) and PVC (polyvinyl chloride) composite decorative material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a PETG and PVC composite decorative material and a preparation method thereof, wherein the preparation method comprises the following steps: preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120-140 ℃ to obtain the preheated PETG material; preheating a PVC bottom layer: preheating the PVC material, and controlling the temperature to be 140-150 ℃ to obtain the preheated PVC material; compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot pressing is carried out through a calender, the temperature is controlled to be 160-180 ℃, and a composite material layer consisting of the PETG surface layer and the PVC bottom layer is obtained; and (3) cooling: and cooling the composite material layer to obtain the PETG and PVC composite decorative material. The composite decorative material has the characteristics of good mechanical property, good flattening, no upwarp, high brightness, high transparency and attractive appearance, and can not produce adverse sequelae on human bodies after the human bodies contact the composite decorative material.
Description
Technical Field
The invention relates to a decorative material, in particular to a PETG (polyethylene terephthalate glycol) and PVC (polyvinyl chloride) composite decorative material and a preparation method thereof.
Background
At present, most of decorative skins used for cabinets, tables, chairs, doors and the like are made of polyvinyl chloride (PVC) materials, and related problems of carcinogenesis, tumors and the like of human bodies can be caused when the decorative skins are used on contact surfaces. PETG is a transparent, non-crystalline copolyester, and is fully called polyethylene glycol terephthalate-1, 4-cyclohexanedimethanol ester. The product is a product obtained by Polycondensation of Terephthalic Acid (PTA), Ethylene Glycol (EG) and 1, 4-Cyclohexanedimethanol (CHDM) through an ester exchange method, 1, 4-cyclohexanedimethanol comonomer is added compared with PET, and ethylene glycol comonomer is added compared with PCT, so that the performance of PETG is greatly different from PET and PCT. The PETG sheet material has outstanding toughness and high impact strength, the impact strength of the PETG sheet material is 3-10 times that of modified polyacrylate, the PETG sheet material has a wide processing range, high mechanical strength and excellent flexibility, and compared with PVC, the PETG sheet material has the advantages of high transparency, good gloss, easiness in printing and environmental protection. Most of the prior PETG films are produced by using an extrusion casting machine, and have the defects of poor thickness difference flattening, poor shrinkage and warping and poor aesthetic property. In the prior art, due to the fact that technical operating conditions for compounding the PETG material and the PVC are insufficient, the two sheets made of different materials are difficult to laminate, and a finished product cannot keep transparent and attractive after the lamination.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide the PETG and PVC composite decorative material which has the characteristics of good mechanical property, good flattening, no upwarp, high brightness, transparency and beauty, and meanwhile, the composite decorative material does not produce adverse sequelae on human bodies after the human bodies contact the composite decorative material.
The second purpose of the invention is to provide a preparation method of the PETG and PVC composite decorative material.
One of the purposes of the invention is realized by adopting the following technical scheme:
the PETG and PVC composite decorative material is characterized in that: is formed by compounding a PETG surface layer and a PVC bottom layer.
Further, the thickness of the PETG surface layer is 0.07-0.15 mm.
Further, the thickness of the PVC bottom layer is 0.2-0.7 mm.
Further, the upper surface of the PETG surface layer is also provided with a UV wear-resistant coating.
Further, the PVC bottom layer is a colored PVC material layer.
The second purpose of the invention is realized by adopting the following technical scheme:
a preparation method of a PETG and PVC composite decorative material is characterized by comprising the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120-140 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating the PVC material, and controlling the temperature to be 140-150 ℃ to obtain the preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot pressing is carried out through a calender, the temperature is controlled to be 160-180 ℃, and a composite material layer consisting of the PETG surface layer and the PVC bottom layer is obtained;
and (3) cooling: and cooling the composite material layer to obtain the PETG and PVC composite decorative material.
Further, an embossing step is also included between the compounding step and the cooling step: and embossing the upper surface of the PETG surface layer.
Further, after the cooling step is completed, a UV wear-resistant coating is arranged on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
Further, in the PVC bottom layer preheating step, the PVC material is preheated through a bright surface roller.
Further, in the cooling step, the cooling temperature was controlled to 16 ℃.
Compared with the prior art, the invention has the beneficial effects that:
1. the composite decorative material prepared by preheating the PETG material by the super mirror roller, preheating the PVC material, simultaneously respectively limiting the preheating temperature, attaching the preheated PETG material and the preheated PVC material together, and then carrying out hot pressing by the calender has the characteristics of good mechanical property, good flattening, no tilting, high brightness, transparency and beauty, and simultaneously, no adverse sequelae to the body can be generated after the human body contacts the composite decorative material.
2. The upper surface of the PETG surface layer is subjected to embossing treatment, decorative skins in various patterns can be formed, and in addition, the upper surface of the PETG surface layer is provided with the UV wear-resistant coating, so that the hardness of the UV wear-resistant coating is above H3 level, and the PETG surface layer has the advantage of good wear resistance.
Drawings
Fig. 1 is a photograph showing the composite decorative material of PETG and PVC of example 1.
Detailed description of the preferred embodiments
The present invention is further described with reference to the accompanying drawings and specific embodiments, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available.
A PETG and PVC composite decorative material is formed by compounding a PETG surface layer and a PVC bottom layer.
In a preferred embodiment, the PETG facing has a thickness of 0.07 to 0.15 mm.
In a preferred embodiment, the thickness of the PVC base layer is 0.2 to 0.7 mm.
As a preferred embodiment, the upper surface of the PETG surface layer is also provided with a UV wear-resistant coating.
As a preferred embodiment, the PVC bottom layer is a colored PVC material layer.
A preparation method of a PETG and PVC composite decorative material is characterized by comprising the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120-140 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating the PVC material, and controlling the temperature to be 140-150 ℃ to obtain the preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot pressing is carried out through a calender, the temperature is controlled to be 160-180 ℃, and a composite material layer consisting of the PETG surface layer and the PVC bottom layer is obtained;
and (3) cooling: and cooling the composite material layer to obtain the PETG and PVC composite decorative material.
The invention can achieve the flatness by using a calender to produce the PETG membrane, the flattening degree is better than that of an extrusion casting film, the thickness error can be controlled within +/-3 percent, the contraction is reduced, and the membrane is more beautiful.
As a preferred embodiment, the embossing step is further included between the compounding step and the cooling step: and embossing the upper surface of the PETG surface layer.
In a preferred embodiment, after the cooling step is completed, a UV wear-resistant coating is arranged on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
In a preferred embodiment, in the PVC substrate preheating step, the PVC material is preheated by passing through a bright roll.
In a preferred embodiment, the cooling temperature is controlled to 16 ℃ in the cooling step.
The following are specific examples of the present invention, and raw materials, equipments and the like used in the following examples can be obtained by purchasing them unless otherwise specified.
Example 1:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 130 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 145 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 170 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.10mm and the thickness of the PVC bottom layer to be 0.4 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
Referring to fig. 1, the PETG and PVC composite decorative material prepared in this embodiment has the characteristics of good flattening, no tilting, high brightness, transparency and beauty.
Example 2:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 140 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled at 160 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.07mm and the thickness of the PVC bottom layer to be 0.2 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 3:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 125 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 142 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 165 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.08mm and the thickness of the PVC bottom layer to be 0.3 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 4:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 135 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 148 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 175 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.12mm and the thickness of the PVC bottom layer to be 0.5 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 5:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 140 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 150 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 180 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.15mm and the thickness of the PVC bottom layer to be 0.7 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 6:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 140 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 150 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 170 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.10mm and the thickness of the PVC bottom layer to be 0.60 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 7:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 130 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 150 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 180 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.15mm and the thickness of the PVC bottom layer to be 0.5 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 8:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 1450 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 175 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.11mm and the thickness of the PVC bottom layer to be 0.65 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
Example 9:
a preparation method of a PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 125 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating a PVC material by a bright surface roller, and controlling the temperature to be 140 ℃ to obtain a preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot-pressed by a calender, the temperature is controlled to be 165 ℃, and a composite material layer consisting of a PETG surface layer and a PVC bottom layer is obtained;
and (3) cooling: cooling the composite material layer, and controlling the cooling temperature to be 16 ℃ to obtain a PETG and PVC composite decorative material; controlling the thickness of the PETG surface layer to be 0.10mm and the thickness of the PVC bottom layer to be 0.4 mm;
and arranging a UV wear-resistant coating on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
The PETG and PVC composite decorative material prepared by the embodiment has the characteristics of good flattening, no upwarp, high brightness, transparency and attractive appearance. The real object picture effect is similar to that of the embodiment 1, and is not repeatedly provided.
And (3) performance detection:
the PETG and PVC composite decorative material prepared in the embodiments 1-9 of the invention is subjected to mechanical property detection, and the detection result is shown in Table 1.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention should not be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (8)
1. The PETG and PVC composite decorative material is characterized in that: the PVC film is formed by compounding a PETG surface layer and a PVC bottom layer; the thickness of the PETG surface layer is 0.07-0.15 mm; the thickness of the PVC bottom layer is 0.2-0.7 mm;
the preparation method of the PETG and PVC composite decorative material comprises the following steps:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120-140 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating the PVC material, and controlling the temperature to be 140-150 ℃ to obtain the preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot pressing is carried out through a calender, the temperature is controlled to be 160-180 ℃, and a composite material layer consisting of the PETG surface layer and the PVC bottom layer is obtained;
and (3) cooling: and cooling the composite material layer to obtain the PETG and PVC composite decorative material.
2. The PETG and PVC composite decorative material of claim 1, wherein the upper surface of the PETG surface layer is further provided with a UV wear-resistant coating.
3. The PETG and PVC composite decorative material of claim 1, wherein the PVC bottom layer is a colored PVC material layer.
4. A method for preparing the PETG and PVC composite decorative material according to any one of claims 1 to 3, comprising the steps of:
preheating a PETG surface layer: preheating the PETG material by a super mirror roller, and controlling the temperature to be 120-140 ℃ to obtain the preheated PETG material;
preheating a PVC bottom layer: preheating the PVC material, and controlling the temperature to be 140-150 ℃ to obtain the preheated PVC material;
compounding: the preheated PETG material and the preheated PVC material are adhered together, and then hot pressing is carried out through a calender, the temperature is controlled to be 160-180 ℃, and a composite material layer consisting of the PETG surface layer and the PVC bottom layer is obtained;
and (3) cooling: and cooling the composite material layer to obtain the PETG and PVC composite decorative material.
5. The method for preparing PETG and PVC composite decorative material according to claim 4, wherein the embossing step is further included between the compounding step and the cooling step: and embossing the upper surface of the PETG surface layer.
6. The method for preparing PETG and PVC composite decorative material according to claim 4, wherein after the cooling step is completed, a UV wear-resistant coating is arranged on the upper surface of the PETG surface layer, so that the hardness of the UV wear-resistant coating is above H3 level.
7. The method for preparing PETG and PVC composite decorative material as claimed in claim 4, wherein in the PVC bottom layer preheating step, the PVC material is preheated by a bright surface roller.
8. The method for preparing PETG and PVC composite decorative material according to claim 4, wherein in the cooling step, the cooling temperature is controlled to be 16 ℃.
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| CN201811517321.3A CN109808278B (en) | 2018-12-12 | 2018-12-12 | PETG (polyethylene terephthalate glycol) and PVC (polyvinyl chloride) composite decorative material and preparation method thereof |
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| CN201811517321.3A CN109808278B (en) | 2018-12-12 | 2018-12-12 | PETG (polyethylene terephthalate glycol) and PVC (polyvinyl chloride) composite decorative material and preparation method thereof |
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| CN110948989A (en) * | 2019-11-14 | 2020-04-03 | 海宁帝龙永孚新材料有限公司 | High resistant decoration membrane and processing equipment that discolours of waiting |
| CN112497791B (en) * | 2020-10-20 | 2023-05-09 | 青岛创宇塑胶制品有限公司 | PETG composite edge banding strip sheet preparation system |
| CN118003675A (en) * | 2024-02-05 | 2024-05-10 | 东莞市万塑成塑料有限公司 | Manufacturing process and application of PETG panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202294012U (en) * | 2011-11-07 | 2012-07-04 | 乐金华奥斯(天津)有限公司 | Surface decorative film |
| CN206109265U (en) * | 2016-08-19 | 2017-04-19 | 上海谷奇数码科技有限公司 | Multi -functional weak solvent of mirror image prints material and card |
| CN208930871U (en) * | 2018-10-26 | 2019-06-04 | 扶沟县杏山饰业新材料有限公司 | A kind of novel furniture protective film |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202294012U (en) * | 2011-11-07 | 2012-07-04 | 乐金华奥斯(天津)有限公司 | Surface decorative film |
| CN206109265U (en) * | 2016-08-19 | 2017-04-19 | 上海谷奇数码科技有限公司 | Multi -functional weak solvent of mirror image prints material and card |
| CN208930871U (en) * | 2018-10-26 | 2019-06-04 | 扶沟县杏山饰业新材料有限公司 | A kind of novel furniture protective film |
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