CN215473680U - Composite reinforced decorative film - Google Patents
Composite reinforced decorative film Download PDFInfo
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- CN215473680U CN215473680U CN202121619643.6U CN202121619643U CN215473680U CN 215473680 U CN215473680 U CN 215473680U CN 202121619643 U CN202121619643 U CN 202121619643U CN 215473680 U CN215473680 U CN 215473680U
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Abstract
The utility model belongs to the technical field of film materials, and particularly relates to a composite reinforced decorative film; the decorative film comprises a multilayer structure, and sequentially comprises a wear-resistant layer with the thickness of 0.1-0.2 mm, a pattern film with the thickness of 0.05-0.15 mm, a gumming layer with the thickness of 0.03-0.1 mm and a protective layer with the thickness of 0.05-0.2 mm from bottom to top; the gum dipping layer can be replaced by a connecting film, and the thickness is 0.05-0.2 mm; when the gumming layer is omitted, the protective layer is a gumming layer of PET or PP non-woven fabric, and the thickness of the protective layer is 0.1-0.2 mm; when the gum dipping layer is omitted, the protective layer can be replaced by a gum dipping layer made of melamine or urea-formaldehyde glue, and the thickness of the gum dipping layer is 0.03-0.1 mm. The film material prepared by the utility model has the scratch resistance of more than 20N and the wear resistance of more than AC4, and overcomes the problems of poor strength and scratch resistance and extreme susceptibility to temperature and humidity of the existing indoor decoration film.
Description
Technical Field
The utility model belongs to the technical field of film materials, and particularly relates to a composite reinforced decorative film.
Background
The decorative film is a novel decorative material prepared by using high molecular Polymer (PVC) as a raw material and adding various auxiliary agents through calendaring and compounding, can be compounded with base materials such as wood, plastic plates, aluminum plates, iron plates and the like to prepare a multipurpose decorative material, and is widely applied to the fields of interior decoration, interior decoration of airplanes, ships, trains and the like. At present, the indoor decoration film has a single structure, poor strength and scratch resistance, and is very easily influenced by temperature and humidity.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a more excellent composite reinforced decorative film, which overcomes the technical problems that the existing indoor decorative film is poor in strength and scratch resistance and is very easily influenced by temperature and humidity.
In order to achieve the above purpose, the following technical scheme is provided;
a composite reinforced decorative film comprises a multilayer structure, and a wear-resistant layer, a pattern film, a gum dipping layer and a protective layer are sequentially arranged from bottom to top; wherein the thickness of the wear-resistant layer is 0.1-0.2 mm, the thickness of the patterned film is 0.05-0.15 mm, the thickness of the gum dipping layer is 0.03-0.1 mm, and the thickness of the protective layer is 0.05-0.2 mm;
a first layer: the wear-resistant layer is specifically melamine impregnated paper;
a second layer: the pattern film is any one of a PVC pattern film, a PP pattern film or a PET pattern film;
and a third layer: the gum dipping layer is a melamine or urea-formaldehyde glue gum dipping layer;
a fourth layer: the protective layer is PET or PP non-woven fabrics.
Further, in the second pattern film layer from bottom to top, a layer of adhesive is coated on the contact surface of the pattern film and the wear-resistant layer, and the adhesive is coated on the contact surfaceThe amount is 10 to 40g/M2。
The adhesive comprises the following components in percentage by mass: 20% of polyurethane modified resin, 10% of rosin modified resin, 7% of polyester resin, 1% of antioxidant, 30% of butanone, 30% of ethyl acetate and 2% of alkyl phenolic resin.
Further, in the third glue dipping layer from bottom to top, the specific preparation method of the melamine glue dipping layer comprises the following steps: using an adhesive of a melamine-formaldehyde system, enabling paper or cloth to pass through an adhesive tank filled with the adhesive, and then drying the paper or cloth by an oven with hot air to pre-cure the adhesive to obtain a melamine impregnated layer; the temperature of the oven is 120-170 ℃, and the pre-curing degree is 10-40.
The glue dipping layer of the urea-formaldehyde glue is prepared by the following specific steps: using thermosetting melamine resin with an adhesive being a urea-formaldehyde system, enabling paper or cloth to pass through a glue tank filled with the adhesive, and then drying the paper or cloth through a drying oven with hot air to pre-cure the adhesive to obtain a gum dipping layer of urea-formaldehyde glue; the temperature of the oven is 120-170 ℃, and the pre-curing degree is 10-40.
Further, the third glue dipping layer from bottom to top can be replaced by a connecting film, and the thickness of the connecting film is 0.05-0.2 mm; the preparation method comprises the following steps: using 18g per square of base paper to impregnate the adhesive, wherein the adhesive amount is 100-200% of the gram weight of the base paper; the adhesive comprises the following components in percentage by mass: 20% of polyurethane modified resin, 10% of rosin modified resin, 7% of polyester resin, 1% of antioxidant, 30% of butanone, 30% of ethyl acetate and 2% of alkyl phenolic resin.
When the third layer of the impregnated layer is replaced by the connecting film, the fourth layer of the impregnated layer can also be replaced by a melamine or urea-formaldehyde adhesive impregnated layer, and the thickness of the impregnated layer is 0.03-0.1 mm.
Furthermore, the third glue dipping layer from bottom to top can be omitted, and meanwhile, the fourth protective layer is replaced by a glue dipping layer made of PET or PP non-woven fabric, and the thickness of the glue dipping layer is 0.1-0.2 mm; the glue dipping layer of the PET or PP non-woven fabric is prepared by the following specific steps: immersing the PET or PP non-woven fabric into the adhesive, so that the dosage of the adhesive on the surface of the PET or PP non-woven fabric is 75-200 percent of the gram weight of the PET or PP non-woven fabric; the adhesive comprises the following components in percentage by mass: 20% of polyurethane modified resin, 10% of rosin modified resin, 7% of polyester resin, 1% of antioxidant, 30% of butanone, 30% of ethyl acetate and 2% of alkyl phenolic resin;
when the third glue dipping layer is omitted, the fourth protective layer can be replaced by a melamine or urea-formaldehyde glue dipping layer, and the thickness of the fourth protective layer is 0.03-0.1 mm.
A preparation process of a composite reinforced decorative film specifically comprises the following steps:
(1) firstly, coating a layer of adhesive on the contact surface of the pattern film and the wear-resistant layer, wherein the coating weight is 10-40 g/M2. Then, paving materials layer by layer from the first layer to the last layer from bottom to top;
(2) after paving, feeding the materials into a hot press, wherein the hot pressing temperature is 125-185 ℃, and the hot pressing time is 30-250 seconds;
(3) and trimming and fixing the width after transferring from the press to obtain the reinforced decorative film.
The reinforced decorative film prepared by the utility model can be compounded on the surfaces of PVC, MGO, wood boards, multilayer boards, density boards, cement fiber boards, calcium silicate boards or foaming boards by double-component PU glue or PUR glue in a cold pressing way, and is used for decorating the ground and the wall; the back of the base material is compounded with a balance layer with the same structure, so that the performance is better.
The utility model has the beneficial effects that:
the composite reinforced decorative film provided by the utility model has good strength and scratch resistance based on the deep scratch resistance ISO1518 standard, and the scratch resistance can reach more than 20N; the micro scratch-resistant EN 16094 standard reaches grade B1; the abrasion resistance can reach more than AC 4; meanwhile, the reinforced decorative film prepared by the utility model is little influenced by temperature and humidity, and the warping change of the tile is less than 0.25mm under the conditions of-20-80 ℃ and 15-95 humidity; the dimensional stability test standard ISO23999, the dimensional stability is less than-0.1%; the prepared reinforced decorative film is subjected to water boiling test, and does not crack or foam after being boiled for 6 hours at the temperature of 95 ℃; after 20 cold and hot cycles, the surface has no cracks, and the product has better stability and excellent performance.
Drawings
FIG. 1 is a schematic structural view of a reinforced decorative film prepared in example 1 of the present invention;
FIG. 2 is a schematic structural diagram of a reinforced decorative film prepared in example 2 of the present invention;
fig. 3 is a schematic structural view of the reinforced decorative film prepared in embodiment 3 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, which are described in detail below, but the scope of the present invention is not limited thereto.
Example 1:
as shown in fig. 1, a composite reinforced decorative film comprises a four-layer structure, which comprises melamine impregnated paper, a PVC pattern film, a melamine impregnated layer and PP non-woven fabric from bottom to top in sequence; the thickness of the melamine impregnated paper is 0.2mm, the thickness of the PVC pattern film is 0.1mm, the thickness of the melamine impregnated layer is 0.05mm, and the thickness of the PP non-woven fabric is 0.2 mm.
The preparation method of the composite reinforced decorative film comprises the following steps:
(1) melamine impregnated paper is used as a first layer, and the thickness is 0.2 mm;
then coating a layer of adhesive on the surface of the PVC pattern film, wherein the coating weight is 20g/M2(ii) a The adhesive comprises the following components in percentage by mass: 20% of polyurethane modified resin, 10% of rosin modified resin, 7% of polyester resin, 1% of antioxidant, 30% of butanone, 30% of ethyl acetate and 2% of alkyl phenolic resin;
the PVC pattern film is coated to be used as a second layer, and the thickness of the second layer is 0.1 mm;
the melamine dipping layer is used as a third layer, the thickness of the melamine dipping layer is 0.05mm, and the specific operation of the melamine dipping layer is as follows: using an adhesive of a melamine-formaldehyde system, enabling paper or cloth to pass through an adhesive tank filled with the adhesive, and then drying the paper or cloth by an oven with hot air to pre-cure the adhesive to obtain a melamine impregnated layer; the temperature of the oven is 120 ℃, and the pre-curing degree is 10;
the PP non-woven fabric is used as a fourth layer, and the thickness of the PP non-woven fabric is 0.2 mm;
(2) paving materials according to the first layer to the fourth layer; after the paving is finished, feeding the materials into a hot press, wherein the hot pressing temperature is 150 ℃, and the hot pressing time is 60 seconds;
(3) and trimming and fixing the width after transferring from the press to obtain the reinforced decorative film.
And (3) performance testing: tests were performed based on the reinforced decorative film prepared in example 1;
(1) strength and scratch resistance are based on the deep scratch resistance ISO1518 standard: the scratch resistance can reach more than 20N; the micro scratch-resistant EN 16094 standard reaches grade B1; the abrasion resistance can reach more than AC 4;
(2) temperature and humidity impact test: changing the ambient temperature of the reinforced decorative film between-20 ℃ and 80 ℃, and simultaneously controlling the humidity to change at 15-95%; then taking out the reinforced decorative film, and detecting that the tile warpage change of the reinforced decorative film is less than 0.25 mm;
(3) the dimensional stability test standard ISO23999, the dimensional stability is less than-0.1%;
(4) through the water boiling test, the reinforced decorative film is soaked in hot water at 95 ℃ for 6 hours and then the shape of the reinforced decorative film is observed, so that the reinforced decorative film does not crack or bubble;
(5) the surface of the reinforced decorative film has no cracks after 20 cycles of cold (the temperature is minus 20 ℃) and hot (the temperature is 80 ℃).
Example 2:
as shown in fig. 2, a composite reinforced decorative film comprises a four-layer structure, which comprises melamine impregnated paper, a PVC pattern film, a connecting film and a PP non-woven fabric from bottom to top in sequence; wherein, the thickness of melamine impregnated paper is 0.1mm, the thickness of PVC flower grain membrane is 0.1mm, the thickness of connection membrane is 0.05mm, the thickness of PP's non-woven fabrics is 0.15 mm.
The preparation method of the composite reinforced decorative film comprises the following steps:
(1) melamine impregnated paper is used as a first layer, and the thickness is 0.1 mm;
then coating a layer of adhesive on the surface of the PVC pattern film, wherein the coating weight is 20g/M2(ii) a The above-mentionedThe adhesive comprises the following components in percentage by mass: 20% of polyurethane modified resin, 10% of rosin modified resin, 7% of polyester resin, 1% of antioxidant, 30% of butanone, 30% of ethyl acetate and 2% of alkyl phenolic resin;
the PVC pattern film is coated to be used as a second layer, and the thickness of the second layer is 0.1 mm;
the connecting film is used as a third layer and has the thickness of 0.05 mm; the connecting membrane is operated as follows: using 18g of base paper per square to impregnate the adhesive, wherein the adhesive amount is 150 percent of the gram weight of the base paper;
the PP non-woven fabric is used as a fourth layer, and the thickness of the PP non-woven fabric is 0.15 mm;
(2) paving materials according to the first layer to the fourth layer; after the paving is finished, feeding the materials into a hot press, wherein the hot pressing temperature is 150 ℃, and the hot pressing time is 60 seconds;
(3) and trimming and fixing the width after transferring from the press to obtain the reinforced decorative film.
And (3) performance testing: tests were performed based on the reinforced decorative film prepared in example 2;
(1) strength and scratch resistance are based on the deep scratch resistance ISO1518 standard: the scratch resistance can reach more than 20N; the micro scratch-resistant EN 16094 standard reaches grade B1; the abrasion resistance can reach more than AC 4;
(2) temperature and humidity impact test: changing the ambient temperature of the reinforced decorative film between-20 ℃ and 80 ℃, and simultaneously controlling the humidity to change at 15-95%; then taking out the reinforced decorative film, and detecting that the tile warpage change of the reinforced decorative film is less than 0.25 mm;
(3) the dimensional stability test standard ISO23999, the dimensional stability is less than-0.1%;
(4) through the water boiling test, the reinforced decorative film is soaked in hot water at 95 ℃ for 6 hours and then the shape of the reinforced decorative film is observed, so that the reinforced decorative film does not crack or bubble;
(5) the surface of the reinforced decorative film has no cracks after 20 cycles of cold (the temperature is minus 20 ℃) and hot (the temperature is 80 ℃).
Example 3:
as shown in fig. 3, a composite reinforced decorative film comprises a three-layer structure, which is a dipping layer of melamine dipping paper, a PVC pattern film and a PP non-woven fabric from bottom to top; the thickness of the melamine impregnated paper is 0.2mm, the thickness of the PVC pattern film is 0.1mm, and the thickness of the gum dipping layer of the PP non-woven fabric is 0.1 mm.
The preparation method of the composite reinforced decorative film comprises the following steps:
(1) melamine impregnated paper is used as a first layer, and the thickness is 0.2 mm;
then coating a layer of adhesive on the surface of the PVC pattern film, wherein the coating weight is 20g/M2(ii) a The PVC pattern film is coated to be used as a second layer, and the thickness of the second layer is 0.1 mm;
a gum dipping layer of the PP non-woven fabric is used as a third layer, and the thickness is 0.1 mm; immersing the PP non-woven fabric into the adhesive, so that the dosage of the adhesive on the surface of the PP non-woven fabric is 100 percent of the gram weight of the PP non-woven fabric;
the adhesive comprises the following components in percentage by mass: 20% of polyurethane modified resin, 12% of rosin modified resin, 5% of polyester resin, 1% of antioxidant, 30% of butanone and 32% of ethyl acetate;
(2) paving materials according to the first layer to the third layer; after the paving is finished, feeding the materials into a hot press, wherein the hot pressing temperature is 150 ℃, and the hot pressing time is 60 seconds;
(3) and trimming and fixing the width after transferring from the press to obtain the reinforced decorative film.
And (3) performance testing: tests were performed based on the reinforced decorative film prepared in example 3;
(1) strength and scratch resistance are based on the deep scratch resistance ISO1518 standard: the scratch resistance can reach more than 20N; the micro scratch-resistant EN 16094 standard reaches grade B1; the abrasion resistance can reach more than AC 4;
(2) temperature and humidity impact test: changing the ambient temperature of the reinforced decorative film between-20 ℃ and 80 ℃, and simultaneously controlling the humidity to change at 15-95%; then taking out the reinforced decorative film, and detecting that the tile warpage change of the reinforced decorative film is less than 0.25 mm;
(3) the dimensional stability test standard ISO23999, the dimensional stability is less than-0.1%;
(4) through the water boiling test, the reinforced decorative film is soaked in hot water at 95 ℃ for 6 hours and then the shape of the reinforced decorative film is observed, so that the reinforced decorative film does not crack or bubble;
(5) the surface of the reinforced decorative film has no cracks after 20 cycles of cold (the temperature is minus 20 ℃) and hot (the temperature is 80 ℃).
It should be noted that the above-described embodiments may enable those skilled in the art to more fully understand the present invention, but do not limit the present invention in any way. Thus, it will be appreciated by those skilled in the art that the utility model may be modified and equivalents may be substituted; all technical solutions and modifications thereof which do not depart from the spirit and technical essence of the present invention should be covered by the scope of the present patent.
Claims (6)
1. The composite reinforced decorative film is characterized by comprising a multilayer structure, wherein a wear-resistant layer, a pattern film, a gum dipping layer and a protective layer are sequentially arranged from bottom to top; wherein the thickness of the wear-resistant layer is 0.1-0.2 mm, the thickness of the patterned film is 0.05-0.15 mm, the thickness of the gum dipping layer is 0.03-0.1 mm, and the thickness of the protective layer is 0.05-0.2 mm;
the wear-resistant layer is specifically melamine impregnated paper;
the pattern film is any one of a PVC pattern film, a PP pattern film or a PET pattern film;
the gum dipping layer is a melamine or urea-formaldehyde glue gum dipping layer;
the protective layer is PET or PP non-woven fabrics.
2. The reinforced decorative film as claimed in claim 1, wherein the contact surface between the patterned film and the wear layer is coated with a layer of adhesive in an amount of 10-40 g/M2。
3. The composite reinforced decorative film of claim 1, wherein the dipped layer can be replaced by a connecting film, and the thickness of the connecting film is 0.05-0.2 mm; the connecting film is formed by impregnating 18g of base paper with adhesive, and the adhesive amount is 100-200% of the gram weight of the base paper.
4. The composite reinforced decorative film of claim 3, wherein the protective layer is replaced by a dipping layer of melamine or urea-formaldehyde glue, and the thickness is 0.03-0.1 mm.
5. The composite reinforced decorative film of claim 1, wherein the dipping layer can be omitted, and the protective layer is replaced by a dipping layer of PET or PP non-woven fabric with a thickness of 0.1-0.2 mm.
6. The composite reinforced decorative film of claim 5, wherein the protective layer is replaced by a dipping layer of melamine or urea-formaldehyde glue, and the thickness of the dipping layer is 0.03-0.1 mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121619643.6U CN215473680U (en) | 2021-07-16 | 2021-07-16 | Composite reinforced decorative film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121619643.6U CN215473680U (en) | 2021-07-16 | 2021-07-16 | Composite reinforced decorative film |
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| CN215473680U true CN215473680U (en) | 2022-01-11 |
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| CN202121619643.6U Active CN215473680U (en) | 2021-07-16 | 2021-07-16 | Composite reinforced decorative film |
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