WO2019237224A1

WO2019237224A1 - Mute decorative material and preparation method therefor and use thereof

Info

Publication number: WO2019237224A1
Application number: PCT/CN2018/090618
Authority: WO
Inventors: 张明奇
Original assignee: 明和科技（唐山）股份有限公司
Priority date: 2018-06-11
Filing date: 2018-06-11
Publication date: 2019-12-19

Abstract

A mute decorative material, comprising, sequentially from top to bottom, a wear resistant layer 1, a printing layer 2 and a mute layer 3; the wear resistant layer 1 is of a transparent polyvinyl chloride material, the printing layer 2 is a polyvinyl chloride thin film having a surface printed with a pattern, and the mute layer 3 is of a polyvinyl chloride flexible foaming material. Further provided are a method for preparing the mute decorative material, and a floor, a wallboard and a furniture board comprising the mute decorative material.

Description

Silent decorative material and preparation method and application thereof

Technical field

The invention relates to a mute material, in particular to a mute decoration material, a preparation method thereof, and a floor, a wallboard and a furniture plate including the mute decoration material.

Background technique

People are increasingly demanding the appearance of furniture such as desks, bookshelves, cabinets, and the aesthetics and practicality of wall panels and floors. Traditionally used coatings are too monotonous, and are prone to mold and delamination during use, and dirt is not easy to clean. The visual feeling of wooden decorative boards is relatively natural and comfortable, but it is easy to absorb water and swell or dry and deform. In the process of use, problems such as shrinkage, deformation, warping, and poor durability often occur. It also requires a large amount of wood, and the production cost is relatively high. Not widely used. Polyvinyl chloride (PVC) and melamine decorative paper came into being. It has the advantages of natural color, gorgeous colors, and various patterns. It also has good wear resistance, scratch resistance, and weather resistance. People love and have been accepted and recognized by more and more people. However, in the past, decorative materials such as polyvinyl chloride or melamine decorative paper, when used or impacted on at home, would emit loud reflection sounds and penetrating sounds, which seriously affected people's living environment. Therefore, consumers urgently need a flexible and silent decorative material in buildings, which has excellent mute effect, and is both safe and environmentally friendly and durable.

Summary of the Invention

The invention provides a mute decorative material, which, while retaining the original characteristics of PVC and melamine decorative paper, can significantly reduce the reflection and penetration sound generated in the building, and can replace traditional PVC or melamine. Ammonia decorative materials are used in flat coatings. The invention also provides a method for preparing the mute decorative material, and a floor, a wall board and a furniture board including the mute decorative material.

The mute decorative material of the present invention can be used in building cabinets, table boards, wall boards, floors and the like.

In one aspect of the present invention, a mute decorative material is provided, which includes a wear-resistant layer 1, a printing layer 2, and a mute layer 3 in order from top to bottom. The abrasion-resistant layer 1 is a transparent polyvinyl chloride material. The printing layer 2 is a polyvinyl chloride film with a pattern printed on the surface, and the mute layer 3 is a polyvinyl chloride flexible foam material.

In a preferred embodiment of the mute decorative material of the present invention, the abrasion resistant layer 1 comprises 65-95% by weight of polyvinyl chloride, 1-30% by weight of plasticizer, and 0.5-10% by weight of calcium zinc. stabilizer. Optionally, the outer surface of the wear-resistant layer is coated with a UV coating layer.

In a preferred embodiment of the mute decorative material of the present invention, the printed layer 2 is a patterned polyvinyl chloride film, and the polyvinyl chloride film contains 45-70% by weight of polyvinyl chloride; 20-45% by weight % Of an inorganic filler selected from calcium carbonate and talc; 0-10% by weight of a plasticizer; 0.5-5% by weight of a calcium-zinc stabilizer, and optionally pigments.

In a preferred embodiment of the mute decorative material of the present invention, the mute layer 3 is made of 40-70% by weight of a polyvinyl chloride resin, 10-30% by weight of a plasticizer, and 0.5-3% by weight of calcium zinc. Stabilized, 0.5-2% by weight foaming regulator, 10-30% by weight inorganic filler selected from calcium carbonate and talc, 0.5-5% by weight foaming agent, and optionally pigments processed The silent layer is a closed-cell foam structure without a substrate, and has a Shore hardness of 25-50A and a density of 0.65-0.95 g / cm ³ .

Preferably, the PVC resin used for preparing the silent layer is selected from the group consisting of an emulsion method PVC paste resin and a suspension method PVC resin.

In a preferred embodiment of the mute decorative material of the present invention, the thickness of the wear-resistant layer is 0.1mm-1.0mm, the thickness of the printed layer is 0.07mm-0.1mm, and the thickness of the mute layer is 0.5mm. -1.5mm, the total thickness of the above three layers is 0.7mm-2.6mm.

In another aspect of the present invention, a method for preparing a mute decorative material is provided, which includes the following steps:

1) Preparation of abrasion-resistant layer: The polyvinyl chloride, plasticizer, and calcium-zinc stabilizer used for the abrasion-resistant layer are measured and weighed, and the transparent PVC is prepared through processes such as mixing, mixing, opening, calendering, and cooling. Wear-resistant layer; optionally coating the surface of the PVC transparent wear-resistant layer with a UV coating;

2) Preparing the printing layer: Weigh the polyvinyl chloride used for the printing layer, an inorganic filler selected from calcium carbonate and talc, a plasticizer, a calcium-zinc stabilizer, and optionally a pigment, and weigh the mixture, The PVC film is obtained by processes such as mixing, opening, calendering, and cooling, and the pattern is printed on the obtained PVC film to prepare a printed layer;

3) Preparation of the mute layer: one of two ways selected from the following:

3-1) Weigh the PVC paste resin with plasticizer, calcium-zinc stabilizer, foaming regulator, inorganic filler selected from calcium carbonate and talc, foaming agent, and optional pigments in the emulsion method. After mixing, coating, gelling, foaming, cooling and other processes, a substrate-free closed-cell foam structure is prepared as a silent layer. The Shore hardness of the silent layer is 25-50A and the density is 0.65-0.95g / cm. ³ ;

3-2) Weighing the suspended PVC resin with plasticizer, calcium zinc stabilizer, foaming regulator, inorganic filler selected from calcium carbonate and talc, foaming agent, and optionally pigment, by weighing, After mixing, mixing, calendering, foaming, cooling and other processes, a substrate-free closed-cell foam structure is prepared as a silent layer. The silent layer has a Shore hardness of 25-50A and a density of 0.65-0.95g / cm ³ ;

4) Continuous bonding: The above-mentioned wear-resistant layer, printing layer and silent layer are sequentially prepared through continuous unwinding, preheating, laminating, embossing, cooling and other processes to obtain sheet-like silent decorative materials.

The mute decorative material of the present invention can be used in combination with a base material layer of various indoor building materials. The base material layer includes a base material commonly used in flooring, wallboards, and furniture boards for indoor construction. At least one of vinyl chloride board, polyethylene board, polypropylene board, gypsum board, calcium silicate board, magnesia board, magnesia board, cement board, density board, plywood board, stone plastic board, and plastic board.

By bonding the mute decorative material of the present invention to a base material layer of a floor, a wallboard and a furniture plate, a floor, a wallboard or a furniture plate with a mute decorative material can be obtained. The bonding of the mute decorative material and the base material layer can be performed without using an adhesive, or the surface of the mute layer side of the mute decorative material and / or the surface of the base material layer to be bonded can be coated with environmentally friendly glue. The mute decorative material is bonded to the substrate layer.

Therefore, another aspect of the present invention provides a mute floor, which includes a wear-resistant layer 1, a printing layer 2, a mute layer 3, and a substrate layer 4 in order from top to bottom. The abrasion-resistant layer is a transparent polyvinyl chloride material. The printed layer is a polyvinyl chloride film with a pattern printed on the surface, the mute layer is a polyvinyl chloride flexible foam material, and the substrate layer is selected from the group consisting of polyvinyl chloride board, density board, plywood board, stone plastic board, And at least one of a plastic plate, wherein the three layers of the abrasion-resistant layer 1, the printing layer 2, and the mute layer 3 may be replaced with the mute decoration material of the present invention as described above.

Another aspect of the present invention provides a mute wallboard, which includes an abrasion-resistant layer 1, a printing layer 2, a mute layer 3, and a substrate layer 4 'in order from the outside to the inside. The abrasion-resistant layer is a transparent polyvinyl chloride material. The printing layer is a polyvinyl chloride film with a pattern printed on the surface, the mute layer is a polyvinyl chloride flexible foaming material, and the substrate layer is selected from a polyvinyl chloride board, a gypsum board, a calcium silicate board, and magnesite At least one of a board, a magnesia board, a cement board, a stone plastic board, and a plastic board, wherein the three layers of the abrasion-resistant layer 1, the printing layer 2, and the mute layer 3 may use the mute decorative material of the present invention as described above. Instead.

Another aspect of the present invention provides a silent board for furniture, which includes a wear-resistant layer 1, a printing layer 2, a silent layer 3, and a substrate layer 4 "in order from top to bottom, and the wear-resistant layer is transparent polyvinyl chloride. Material, the printing layer is a polyvinyl chloride film with a pattern printed on the surface, the mute layer is a polyvinyl chloride flexible foaming material, and the substrate layer is selected from a polyvinyl chloride board, a polyethylene board, a polypropylene board, At least one of MDF, plywood, and plastic board, wherein the three layers of wear-resistant layer 1, printing layer 2, and mute layer 3 may be replaced by the mute decoration material as described above.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic cross-sectional structure diagram of a preferred embodiment of the mute decorative material of the present invention.

FIG. 2 is a schematic cross-sectional structure diagram of a preferred embodiment of the silent floor including the silent decorative material of the present invention.

FIG. 3 is a schematic cross-sectional structure diagram of a preferred embodiment of a mute wall panel including a mute decorative material of the present invention.

FIG. 4 is a schematic cross-sectional structure diagram of a preferred embodiment of a silent board for furniture including the silent decorative material of the present invention.

detailed description

In order to make the foregoing objects, features, and advantages of the present invention more comprehensible, specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, the definitions in this specification shall prevail.

Unless otherwise stated, all percentages, parts, ratios, etc. are by weight.

The polyvinyl chloride (PVC) used in the present invention is selected from any polyvinyl chloride obtainable by a known polymerization method or any commercially available polyvinyl chloride. Commercially available polyvinyl chloride having a K value of K60-K70 is particularly preferred. Ethylene.

The term "emulsion method PVC paste resin" refers to a polyvinyl chloride resin prepared by emulsion polymerization, and is also referred to in the industry as paste resin, PVC paste resin, emulsified powder, and fine powder.

The term "suspension PVC resin" refers to polyvinyl chloride resin prepared by suspension polymerization. It is a general-purpose PVC resin and the most widely used PVC resin in the market. It is also called PVC powder, coarse powder, and suspended PVC in the industry. Resin.

The term "transparent polyvinyl chloride material" refers to a transparent material whose main component is polyvinyl chloride, which may contain one or more additives such as plasticizers, tougheners, and calcium-zinc stabilizers.

The term "polyvinyl chloride film" refers to a film mainly composed of polyvinyl chloride, which may contain one or more additives such as inorganic fillers, plasticizers, tougheners, calcium-zinc stabilizers, and pigments.

The term "polyvinyl chloride foaming material" refers to a foaming material prepared mainly with polyvinyl chloride, which may contain one or more additives, such as plasticizers, calcium-zinc stabilizers, foaming regulators, fillers, Pigments, etc.

The present invention provides a mute decorative material, as shown in FIG. 1, which includes a wear-resistant layer 1, a printing layer 2, and a mute layer 3 in order from top to bottom. The abrasion-resistant layer is a transparent polyvinyl chloride material. The printed layer is a polyvinyl chloride film with a pattern printed on the surface, and the silent layer is a polyvinyl chloride foamed material.

In a preferred embodiment of the mute decorative material of the present invention, the wear-resistant layer comprises 65-95% by weight, or 70-90% by weight of polyvinyl chloride; 1-30% by weight, or 5-25% by weight Plasticizer; and 0.5-10% by weight, or 1-3% by weight calcium-zinc stabilizer, optionally, the outer surface of the wear-resistant layer is coated with a UV coating layer. The UV coating of the UV coating is not particularly limited, and may be selected from commercially available known UV coatings, such as UV coatings based on epoxy acrylate, polyurethane, urethane acrylate, polyester acrylate, polyether acrylate, and the like .

In a preferred embodiment of the mute decorative material of the present invention, the printed layer is a patterned polyvinyl chloride film, and the polyvinyl chloride film contains 45-70% by weight, or 50-65% by weight of polyvinyl chloride. Ethylene; 20-45% by weight, or 25-40% by weight of an inorganic filler selected from calcium carbonate and talc; 0-10% by weight, or 0.5-7% by weight of a plasticizer; 0.5-5% by weight, or 1-4% by weight of calcium-zinc stabilizer, and optionally pigments. The printing pattern on the surface of the printing layer is not particularly limited, and may be any pattern, such as wood grain, stone grain, monochrome, and other specific or abstract patterns.

In a preferred embodiment of the mute decorative material of the present invention, the mute layer is made of 40-70% by weight, or 45-60% by weight of a polyvinyl chloride resin; 10-30% by weight, or 20-30% by weight Plasticizer; 0.5-3 wt%, or 1-2.5 wt% calcium zinc stabilizer; 0.5-2 wt%, or 1-2 wt% foaming regulator; 10-30 wt%, or 10- 20% by weight of an inorganic filler selected from the group consisting of calcium carbonate and talc; 0.5-5% by weight, or 1-4% by weight of a blowing agent, and optionally a pigment, the silent layer is substrate-free The closed-cell foam structure has a Shore hardness of 25-50 A, preferably 30-45 A, and a density of 0.65-0.95 g / cm ³ , preferably 0.70-0.90 g / cm ³ . Preferably, the foaming temperature is 180-220 ° C, and the foaming time is 1-4 minutes.

Preferably, the PVC resin used for preparing the PVC foaming material may be an emulsion method PVC paste resin or a suspension method PVC resin, and a commercially available polyvinyl chloride having a polymerization degree K value of K60-K70 is preferred.

The plasticizer used in the mute decorative material of the present invention may be any plasticizer known in the art, for example, selected from diisononyl phthalate (DINP), dioctyl terephthalate (DOTP) , Citrates, and epoxy soybean oil (ESO) one or more plasticizers.

The foaming agent used in the mute decorative material of the present invention may be any foaming agent known in the art, such as an organic foam selected from azo compounds, N-nitroso compounds, and sulfonyl hydrazide compounds. Agents, such as azodicarbonamide, which decompose and foam at high temperatures of 160-200 degrees.

The foaming regulator used in the mute decorative material of the present invention may be any foaming regulator known in the art, such as chlorinated polyethylene (CPE), acrylic processing aid (ACR), methyl methacrylate Ester / butadiene / styrene terpolymer (MBS), etc.

In a preferred embodiment of the mute decorative material of the present invention, the thickness of the wear-resistant layer is 0.1mm-1.0mm, preferably 0.1-0.7mm, and the thickness of the printing layer is 0.07mm-0.1mm, preferably 0.07- 0.08mm, the thickness of the mute layer is 0.5mm-1.5mm, preferably 1.0-1.5mm, and the total thickness of the above three layers is 0.7mm-2.6mm, preferably 1.1-2.3mm.

1) Preparation of abrasion-resistant layer: The polyvinyl chloride, plasticizer, and calcium-zinc stabilizer used for the abrasion-resistant layer are measured and weighed, and the transparent PVC is prepared through processes such as mixing, mixing, opening, calendering, and cooling. Wear-resistant layer; optionally a UV coating is applied to the surface of the PVC transparent wear-resistant layer. The mixing is preferably performed at 100-130 ° C for 2-6 minutes, the mixing is preferably performed at 120-160 ° C for 3-8 minutes, and the rolling is preferably performed at 150-180 ° C at a line of 15-30 m / min. Speed, the cooling is preferably performed at a linear speed of 15-30 m / min using normal temperature water;

2) Preparing the printing layer: Weigh the polyvinyl chloride used for the printing layer, an inorganic filler selected from calcium carbonate and talc, a plasticizer, a calcium-zinc stabilizer, and optionally a pigment, and weigh the mixture, The PVC film is obtained by processes such as mixing, opening, calendering, and cooling, and the pattern is printed on the obtained PVC film to prepare a printed layer. Among them, the mixing is preferably performed at 100-140 ° C for 2-6 minutes, the mixing is preferably performed at 130-170 ° C for 3-8 minutes, the rolling is preferably performed at 160-190 ° C at a linear speed of 20-40 m / min, and the cooling is preferably performed. When using normal temperature water at a line speed of 20-40 m / min;

3) Preparation of mute layer: one of the following two methods is selected:

3-1) Weigh the PVC paste resin with plasticizer, calcium-zinc stabilizer, foaming regulator, inorganic filler selected from calcium carbonate and talc, foaming agent, and optional pigments in the emulsion method. The compound layer is prepared by mixing, coating, gelling, foaming, cooling and other processes. The mixture is preferably stirred at 30-50 ° C for 2-6 minutes, and then the mixture is coated on release paper. The gel is preferably carried out at 170-190 ° C for 1-4 minutes, and the foaming is preferably carried out at 180-220 ° C. For 1-4 minutes, cooling is preferably performed at a linear speed of 4-8 meters / minute using normal temperature water. The release paper is removed to obtain a closed-cell foam structure without a substrate as a silent layer. The Shore hardness of the silent layer is 25- 50A, density is 0.65-0.95g / cm ³ ;

3-2) Weighing the suspended PVC resin with plasticizer, calcium zinc stabilizer, foaming regulator, inorganic filler selected from calcium carbonate and talc, foaming agent, and optionally pigment, by weighing, The compound layer is prepared through mixing, mixing, calendering, foaming, cooling and other processes. Among them, the mixing is preferably performed at 100-120 ° C for 2-6 minutes, the mixing is preferably performed at 110-140 ° C for 3-8 minutes, and the rolling is preferably performed at 150-170 ° C at a linear speed of 20-40 m / min. And foaming It is preferably performed at 180-220 ° C for 1-4 minutes, and the cooling is preferably performed at a linear speed of 20-40 m / min using normal temperature water to obtain a closed-cell foam structure without a substrate as a silent layer. The Shore hardness of the silent layer is 25-50A, density is 0.65-0.95g / cm ³ .

4) Continuous bonding: The above-mentioned wear-resistant layer, printing layer and silent layer are sequentially prepared through continuous unwinding, preheating, laminating, embossing, cooling and other processes to obtain sheet-shaped silent decorative materials. The bonding is preferably performed at a linear speed of 15-30 m / min at 140-180 ° C, and the cooling is preferably performed at a linear speed of 15-30 m / min using normal temperature water.

By bonding the mute decorative material of the present invention to a base material layer of a floor, a wallboard and a furniture plate, a floor, a wallboard or a furniture plate with a mute decorative material can be obtained. The bonding of the mute decorative material and the base material layer may be performed without using an adhesive, or an environmentally-friendly adhesive may be coated on the surface of the mute layer side of the mute decorative material or the surface of the base material layer to be bonded. The mute decorative material is bonded to the substrate layer. Preferably, the environmentally friendly adhesive may be a one-component solvent-free environmentally friendly hot glue or cold glue, such as PUR (moisture curing reaction type polyurethane hot melt adhesive), white latex (polyvinyl acetate adhesive), or It is a two-component solvent-free environment-friendly cold glue, such as two-component epoxy AB glue, two-component polyurethane AB glue.

The present invention provides a silent floor, as shown in FIG. 2, which includes a wear-resistant layer 1, a printing layer 2, a silent layer 3, and a substrate layer 4 in order from top to bottom, wherein the wear-resistant layer 1 and the printing layer 2 The mute layer 3 and the mute layer 3 may be replaced by the mute decorative material of the present invention, and the base material layer 4 is selected from a polyvinyl chloride board, a density board, a plywood board, a stone plastic board, and a plastic board. In a preferred embodiment of the silent floor of the present invention, the floor substrate layer 4 comprises 100 parts by weight of polyvinyl chloride; 0-30 parts by weight, preferably 2-20 parts by weight of a plasticizer; 100-750 parts by weight, Preferably 120-500 parts by weight of an inorganic filler selected from calcium carbonate, kaolin, talc, etc .; 0-20 parts by weight, preferably 1-15 parts by weight of a toughener or impact modifier; and 0-5 parts by weight It is preferably 1-4 parts by weight of rosin. The Shore D hardness of the substrate layer 4 is greater than 60, and preferably 60-80. The base material layer 4 may be one layer or a plurality of layers.

The present invention also provides a mute wallboard, as shown in FIG. 3, which includes a wear-resistant layer 1, a printing layer 2, a mute layer 3, and a substrate layer 4 'in order from the outside to the inside. The layer 2 and the mute layer 3 may be replaced by the mute decoration material of the present invention. The substrate layer 4 'is selected from the group consisting of a polyvinyl chloride board, a gypsum board, a calcium silicate board, a magnesite board, a magnesium oxide board, a cement board, Stone plastic board, and plastic board. The base layer 4 'has a Shore D hardness of 55-80. The substrate layer 4 'may be one layer or a plurality of layers.

The present invention also provides a silent sheet for furniture, as shown in FIG. 4, which includes a wear-resistant layer 1, a printing layer 2, a silent layer 3, and a substrate layer 4 "from top to bottom, wherein the wear-resistant layer 1 The printing layer 2, the silent layer 3, and the silent layer 3 may be replaced with the silent decorative material of the present invention. The substrate layer 4 "is selected from the group consisting of polyvinyl chloride board, polyethylene board, polypropylene board, density board, plywood board, and plastic board. The base material layer 4 "has a Shore D hardness of 60-80. The base material layer 4" may be one layer or multiple layers.

In the silent floor, silent wall panel and silent panel for furniture of the present invention, the plasticizer is preferably selected from diisononyl phthalate (DINP), dioctyl terephthalate (DOTP), One or more plasticizers such as citrates, and epoxy soybean oil (ESO); the toughener or impact modifier is preferably selected from chlorinated polyethylene and acrylate processing aids, Examples are methyl methacrylate-butadiene-styrene terpolymer (MBS) and acrylic polymers.

Examples

The following further describes the features and effects of the present invention through examples, but the present invention is not limited by the scope of these examples.

Example 1 Preparation of Silent Decoration Material A

Formulation of wear layer 1 (weight percentage based on total formula weight):

Polyvinyl chloride (S-65, Formosa Plastics (Ningbo) Co., Ltd., K value 65, degree of polymerization 1030) 75%

Plasticizer DOTP (UN-488, Liancheng Chemical Industry Co., Ltd.) 22%

Calcium Zinc Stabilizer (CZ-300, Dongguan Jiaquan Plastic Co., Ltd.) 3%

Formula for printed layer 2 (weight percent based on total formula weight):

Formulation of Silent Layer 3 (weight percentage based on total formula weight):

According to the formulation of the above layers, the silent decoration material is prepared through the following steps:

1) Preparation of abrasion-resistant layer 1: The raw materials in the abrasion-resistant layer formula are weighed, and the PVC transparent layer abrasion-resistant layer 1 is prepared through the mixing, mixing, opening, calendering, cooling, and rewinding processes. The thickness of layer 1 is 1.0mm;

2) Preparing the printed layer 2: Weigh each raw material in the formula of the printed layer, and obtain the PVC film through the mixing, mixing, opening, calendering, cooling, and rewinding processes, and then print and rewind the process to obtain the printed Layer 2, thickness of printed layer 2 is 0.1mm;

3) Preparation of mute layer 3: Weigh each raw material in the formula of mute layer and prepare foamed PVC material through mixing, coating, gelling, foaming, cooling, and rolling processes to obtain mute layer 3, mute layer 3 It is a closed-cell foam structure without substrate, with a Shore hardness of 45A, a density of 0.95g / cm ³ and a thickness of 1.5mm;

4) Continuous bonding: The above-mentioned prepared wear-resistant layer, printing layer and silent layer are sequentially prepared through continuous unwinding, preheating, laminating, embossing, cooling and other processes to obtain a sheet-like silent decorative material A with a thickness It is 2.6mm.

Example 2 Preparation of Silent Decoration Material B

Formulation of wear layer 1 (weight percentage based on total formula weight):

Polyvinyl chloride (S-65, Formosa Plastics (Ningbo) Co., Ltd., K value 65, degree of polymerization 1030) 80%

Plasticizer DOTP (UN-488, Liancheng Chemical Industry Co., Ltd.) 17%

Calcium Zinc Stabilizer (CZ-300, Dongguan Jiaquan Plastic Co., Ltd.) 3%

Formula for printed layer 2 (weight percent based on total formula weight):

1) Preparation of abrasion-resistant layer 1: The raw materials in the abrasion-resistant layer formula are weighed, and the PVC transparent layer abrasion-resistant layer 1 is prepared through mixing, mixing, opening, calendering, cooling, and rewinding processes. The thickness of layer 1 is 0.1mm;

2) Preparing the printed layer 2: Weigh each raw material in the formula of the printed layer, and obtain the PVC film through the mixing, mixing, opening, calendering, cooling, and rewinding processes, and then prepare the print by the printing and rewinding processes. Layer 2, thickness of printed layer 2 is 0.1mm;

3) Preparation of silent layer 3: The raw materials in the formula of the silent layer are measured and weighed, and the silent layer 3 is prepared through mixing, mixing, calendering, foaming, cooling, and rolling processes. The silent layer 3 is closed without a substrate. Cell foam structure, with a Shore hardness of 30A, a density of 0.65g / cm ³ and a thickness of 0.5mm;

4) Continuous bonding: The above-mentioned prepared wear-resistant layer, printing layer and mute layer are sequentially prepared through continuous unwinding, preheating, laminating, embossing, cooling, and palletizing to obtain sheet-shaped mute decorative materials. B, thickness is 0.7mm.

Example 3 Preparation of Silent Floor

The floor substrate layer 4 is selected, which is a 4 mm thick polyvinyl chloride board, which includes polyvinyl chloride, a plasticizer, calcium carbonate powder, a toughening agent, and rosin. The base layer has a Shore D hardness of 70. Apply two-component polyurethane AB glue (U632, Shanghai Duyu Group Co., Ltd.) on one side of the base material layer 4, and attach the quiet layer 3 of the quiet decorative material A prepared in Example 1 to the base material layer 4, It was pressed flat and completely cured to obtain a quiet floor with a thickness of 6.6 mm.

The silent effect of this silent floor is 21 dB lower than that of the conventional laminate flooring without the silent layer 3.

Example 4 Preparation of Silent Wall Panel

A wallboard substrate layer 4 'is selected, which is a calcium silicate board with a thickness of 8 mm, and includes quartz powder, lime powder, and wood paper fibers. The Shore D hardness of the calcium silicate board is 60.

A white latex (polyvinyl acetate adhesive) is coated on any side of the substrate layer 4 ', and the silent layer 3 of the silent decorative material B prepared in Example 2 is bonded to the substrate layer 4', and flattened to make it Completely cured to obtain a quiet wallboard with a thickness of 8.7mm.

The mute effect of the mute wall panel is 12 decibels lower than that of the traditional PVC decorative wall panel.

Example 5 Preparation of Countertops for Silent Cabinets

A mute decorative material C was prepared in a similar manner to Example 2, except that the thickness of the wear-resistant layer 1 was 0.5 mm, the thickness of the print layer 2 was 0.1 mm, the thickness of the mute layer 3 was 1.0 mm, and the mute layer 3 was not. The closed-cell structure of the substrate has a Shore hardness of 40 A and a density of 0.8 g / cm ³ . The total thickness of the above three layers is 1.6mm. The printing pattern on the surface of the printing layer 2 is monochrome.

A countertop substrate layer 4 "is selected, which is a density board with a thickness of 15 mm, which includes wood fibers and synthetic resin. The Shore D hardness of the density board is 80.

Apply PUR (moisture curing reactive polyurethane hot-melt adhesive, Tianchang Xintai New Material Technology Co., Ltd., PUR-1102) on the side of the prepared mute layer 3 of the mute decoration material C to mix the mute decoration material with the substrate Layer 4 "was laminated and flattened and completely cured to obtain a countertop with a thickness of 16.6 mm.

The product's mute effect is 15 decibels lower than that of a traditional countertop without a mute layer 3.

The present invention has been described in detail through the examples, but these examples are not a limitation on the scope of the present invention. Those skilled in the art should understand that the mute decorative material of the present invention and its use can be based on the disclosure of this application. Various changes are made, and these changes are all included in the spirit of the present invention.

Claims

A mute decorative material, which includes a wear-resistant layer (1), a printing layer (2), and a mute layer (3) in order from top to bottom. The abrasion-resistant layer (1) is a transparent polyvinyl chloride material, and the printing layer (2) is a polyvinyl chloride film with a pattern printed on the surface, and the silent layer (3) is a polyvinyl chloride flexible foam material.
The mute decorative material according to claim 1, wherein the wear-resistant layer (1) comprises 65-95% by weight of polyvinyl chloride, 1-30% by weight of plasticizer, and 0.5-10% by weight of calcium zinc A stabilizer, optionally, the outer surface of the wear layer is coated with a UV coating layer.
The mute decorative material according to claim 1, wherein the printed layer (2) is a patterned polyvinyl chloride film, the polyvinyl chloride film comprises 45-70% by weight of polyvinyl chloride; 20-45% by weight % Of an inorganic filler selected from calcium carbonate and talc; 0-10% by weight of a plasticizer; 0.5-5% by weight of a calcium-zinc stabilizer, and optionally pigments.
The mute decorative material according to claim 1, wherein the mute layer (3) is made of 40-70% by weight of a polyvinyl chloride resin, 10-30% by weight of a plasticizer, and 0.5-3% by weight of calcium zinc. Stabilized, 0.5-2% by weight foaming regulator, 10-30% by weight inorganic filler selected from calcium carbonate and talc, 0.5-5% by weight foaming agent, and optionally pigments processed The silent layer is a closed-cell foam structure without a substrate, and has a Shore hardness of 25-50A and a density of 0.65-0.95 g / cm 3 .
The silent decorative material according to claim 4, wherein the PVC resin used to prepare the silent layer (3) is selected from the group consisting of an emulsion method PVC paste resin and a suspension method PVC resin.
The mute decorative material according to any one of claims 1 to 5, wherein the thickness of the wear-resistant layer (1) is 0.1mm-1.0mm, and the thickness of the printing layer (2) is 0.07mm-0.1mm, The thickness of the mute layer (3) is 0.5mm-1.5mm, and the total thickness of the above three layers is 0.7mm-2.6mm.
A method for preparing a mute decorative material, including the following steps:

1) Preparation of abrasion-resistant layer: The polyvinyl chloride, plasticizer, and calcium-zinc stabilizer used for the abrasion-resistant layer are measured and weighed, and are prepared through process steps including compounding, mixing, opening, calendering, and cooling. Obtaining a transparent wear-resistant layer of polyvinyl chloride, optionally applying a UV coating on the surface of the transparent wear-resistant layer of polyvinyl chloride;

2) Preparing the printing layer: Weigh the polyvinyl chloride used for the printing layer, an inorganic filler selected from calcium carbonate and talc, a plasticizer, a calcium-zinc stabilizer, and optionally pigments. A polyvinyl chloride film is prepared by the process steps of mixing, smelting, rolling, calendering, and cooling, and the pattern is printed on the obtained polyvinyl chloride film to prepare a printed layer;

3) Preparation of the mute layer: one of two ways selected from the following:

3-1) Weigh the PVC paste resin of emulsion method with plasticizer, calcium zinc stabilizer, foaming regulator, inorganic filler selected from calcium carbonate and talc, foaming agent, and optionally pigment, After the process steps of mixing, coating, gelling, foaming, and cooling, a substrate-free closed-cell foam structure is prepared as a silent layer. The silent layer has a Shore hardness of 25-50A and a density of 0.65-0.95. g / cm 3 ;

3-2) Weighing the suspended PVC resin with plasticizer, calcium zinc stabilizer, foaming regulator, inorganic filler selected from calcium carbonate and talc, foaming agent, and optionally pigment, by weighing, Through the process steps of mixing, mixing, calendering, foaming, and cooling, a substrate-free closed-cell foam structure is prepared as a silent layer. The silent layer has a Shore hardness of 25-50A and a density of 0.65-0.95g. / cm 3 ；

4) Continuous bonding: The above-mentioned wear-resistant layer, printing layer, and silent layer are prepared through the process steps of preheating, bonding, embossing, and cooling to obtain a sheet-like silent decorative material.
A silent floor, which includes a wear-resistant layer (1), a printing layer (2), a silent layer (3), and a substrate layer (4) in order from top to bottom, the wear-resistant layer (1) is a transparent polyvinyl chloride material The printing layer (2) is a polyvinyl chloride film with a pattern printed on the surface, the mute layer (3) is a polyvinyl chloride flexible foaming material, and the substrate layer (4) is selected from a polyvinyl chloride board, At least one of a density board, a plywood board, a stone plastic board, and a plastic board, wherein the three layers of the wear-resistant layer (1), the printing layer (2), and the mute layer (3) can be any one of claims 1-6. The mute decorative material according to one item is replaced, and the substrate layer (4) is one or more layers.
The mute wallboard comprises a wear-resistant layer (1), a printing layer (2), a mute layer (3), and a substrate layer (4 ') in this order from the outside to the inside. The abrasion-resistant layer (1) is transparent polyvinyl chloride. Material, the printing layer (2) is a polyvinyl chloride film with a pattern printed on the surface, the mute layer (3) is a polyvinyl chloride flexible foaming material, and the substrate layer (4 ') is selected from polyvinyl chloride At least one of a board, a gypsum board, a calcium silicate board, a magnesia board, a magnesia board, a cement board, a stone plastic board, and a plastic board, wherein the wear-resistant layer (1), the printing layer (2), and The three layers of the mute layer (3) can be replaced by the mute decoration material according to any one of claims 1-6, and the substrate layer (4 ') is one or more layers.
The silent sheet for furniture includes a wear-resistant layer (1), a printing layer (2), a silent layer (3), and a substrate layer (4 ") in order from top to bottom. The wear-resistant layer (1) is a transparent polymer Vinyl chloride material, the printing layer (2) is a polyvinyl chloride film with a pattern printed on the surface, the mute layer (3) is a polyvinyl chloride flexible foaming material, and the substrate layer (4 ") is selected from polymer At least one of a vinyl chloride board, a polyethylene board, a polypropylene board, a density board, a plywood board, and a plastic board, wherein the three layers of the wear-resistant layer (1), the printing layer (2), and the mute layer (3) may be It is replaced by the mute decorative material according to any one of claims 1-6, wherein the substrate layer (4 ") is one or more layers.