CN117261395A - Double-sided bright lace sheet and preparation method and application thereof - Google Patents

Double-sided bright lace sheet and preparation method and application thereof Download PDF

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Publication number
CN117261395A
CN117261395A CN202311209446.0A CN202311209446A CN117261395A CN 117261395 A CN117261395 A CN 117261395A CN 202311209446 A CN202311209446 A CN 202311209446A CN 117261395 A CN117261395 A CN 117261395A
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China
Prior art keywords
lace
parts
lace sheet
layer
sheet
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CN202311209446.0A
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Chinese (zh)
Inventor
刘承发
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Dongguan Iuiu Household Products Co ltd
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Dongguan Iuiu Household Products Co ltd
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Priority to CN202311209446.0A priority Critical patent/CN117261395A/en
Publication of CN117261395A publication Critical patent/CN117261395A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G11/00—Table linen
    • A47G11/003—Table-cloths
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G23/00—Other table equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/406—Bright, glossy, shiny surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/412—Transparent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/582—Tearability
    • B32B2307/5825—Tear resistant
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
    • C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/04—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/10—Esters; Ether-esters
    • C08K5/12—Esters; Ether-esters of cyclic polycarboxylic acids

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention provides a double-sided bright lace sheet, which comprises a PET layer, a back adhesive layer, a convex pattern lace sheet, a printing layer and a transparent PVC layer which are sequentially compounded; or comprises a PET layer, a back adhesive layer, a relief lace sheet, a transparent PVC layer and a printing layer which are sequentially compounded; the back adhesive layer is prepared from a thermoplastic acrylic resin mixture, an organic solvent and silicon powder. The PET is used as a base material, the back adhesive layer is attached to the convex lace sheet, so that the double-sided bright lace sheet is obtained, the cost is remarkably reduced, the double-sided bright lace sheet obtained by using the PET as the base material is soft in texture, good in sagging property, and has a decorative function by combining with lace modeling, and on the basis, the product is not deformed and has stronger tearing resistance.

Description

Double-sided bright lace sheet and preparation method and application thereof
Technical Field
The invention belongs to the technical field of household articles, and particularly relates to a double-sided bright lace sheet, a preparation method and application thereof.
Background
The tablecloth is covered on the table and the tabletop to prevent dirt or to increase the beautiful appearance. The plastic materials are mainly classified into two major types of plastic materials and textile materials according to the production process, wherein the plastic materials comprise PVC tablecloth, EVA tablecloth, PEVA tablecloth, pattern-ironing tablecloth, cotton substrate PVC tablecloth, PP tablecloth and other polyethylene tablecloth, curtain coating film tablecloth and the like; textile types include lace tablecloths.
The plastic tablecloth is widely applied to daily life due to the fact that the tablecloth is easy to clean, convenient and practical, and the like, and the practicability of the plastic tablecloth is high. However, the current plastic tablecloth has higher cost and low cost of PET material, but the PET film has poor heat resistance, is easy to deform in the preparation and subsequent use processes, and has poor binding force between the relief lace sheet and the PET film due to the surface tension of the PET film.
Thus, there is a need for a low cost, decorative, high performance sheet.
Disclosure of Invention
In view of the above, the technical problem to be solved by the invention is to provide a double-sided bright lace sheet, a preparation method and application thereof, and the double-sided bright lace sheet provided by the invention has low cost, decorative function and excellent performance.
The invention provides a double-sided bright lace sheet, which comprises a PET layer, a back adhesive layer, a convex pattern lace sheet, a printing layer and a transparent PVC layer which are sequentially compounded;
or comprises a PET layer, a back adhesive layer, a relief lace sheet, a transparent PVC layer and a printing layer which are sequentially compounded.
Preferably, the convex pattern lace sheet is prepared from the following raw materials in parts by mass:
60 to 75 parts of calcium carbonate filler, 25 to 35 parts of diisononyl phthalate, 45 to 55 parts of SG to 5 resin powder, 1.5 to 2.5 parts of heat stabilizer, 0.06 to 0.2 part of pigment powder, 0.01 to 0.15 part of titanium pigment, 1.5 to 2.5 parts of ACR auxiliary agent, 0.25 to 0.4 part of stearic acid and 3 parts of foaming auxiliary agent.
Preferably, the back adhesive layer is prepared from a thermoplastic acrylic resin mixture, an organic solvent and silicon powder.
Preferably, the back adhesive layer is prepared from the following raw materials in parts by mass:
9-11 parts of transparent glue;
9-11 parts of oily glue;
10-30 parts of butanone;
15-25 parts of ethyl acetate;
10-20 parts of n-butyl acetate;
15-35 parts of toluene;
1-3 parts of silicon powder.
Preferably, the PET standard weight is (17+ -5) g/m 2 。
Preferably, the thickness of the relief lace sheet is 200-520 mu m; the thickness of the PET layer is 12 mu m, and the thickness of the transparent printed pattern layer is 13-17 mu m;
the thickness of the double-sided bright lace sheet product is 0.50-0.65 mm, and the width is 0.5-1.37 m.
The invention also provides a preparation method of the double-sided bright lace sheet, which comprises the following steps:
a) Mixing the raw materials for preparing the relief lace sheet, and then placing the mixture into a screw of a lace machine for high-temperature extrusion plasticizing foaming to obtain a foaming material;
the foaming material is scraped and coated into a gravure lace mold through a discharge port of a die head at the front end of a screw rod, and is heated, dried and molded to obtain a convex pattern lace sheet;
b) Coating a back adhesive layer on the surface of the PET layer, attaching the convex pattern lace sheet on the surface of the back adhesive layer, coating a printing layer on the other side of the convex pattern lace sheet, hot-pressing and laminating transparent PVC, and rolling to obtain the double-sided bright lace sheet.
The invention also provides a preparation method of the double-sided bright lace sheet, which comprises the following steps:
a) Mixing the raw materials for preparing the relief lace sheet, and then placing the mixture into a screw of a lace machine for high-temperature extrusion plasticizing foaming to obtain a foaming material;
the foaming material is scraped and coated into a gravure lace mold through a discharge port of a die head at the front end of a screw rod, and is heated, dried and molded to obtain a convex pattern lace sheet;
b) Coating a back adhesive layer on the surface of the PET layer, attaching the convex pattern lace sheet on the surface of the back adhesive layer, performing hot pressing lamination on the other surface of the convex pattern lace sheet and transparent PVC, coating a printing layer, drying, and rolling to obtain the double-sided bright lace sheet.
Preferably, the primary plasticizing temperature of the lace machine screw is 160-170 ℃; the secondary plasticizing temperature is between 175 and 185 ℃;
the temperature of the die head at the front end of the screw is 170+/-5 ℃;
the hot-press lamination rubber roll tension is 5.2+/-2 kgf/cm < 2 >, the rolling traction tension is 4+/-2 kgf/cm < 2 >, the lamination temperature is 165+/-5 ℃, the plate roller oil temperature is 185 ℃ +/-10 ℃, the rubber roll water temperature is 10 ℃ +/-1 ℃, the cooling wheel water temperature is 10 ℃ +/-1 ℃, the host machine speed is 8+/-1 m/min, the stripping speed is 5+/-1 m/min, the cooling wheel speed is 5+/-1 m/min, the traction wheel speed is 5+/-1 m/min, the rolling speed is 10+/-1 m/min, and the air pressure is set to be 4-6KG;
in the step b), the running speed of the dried forming machine main machine is: 13+ -1 m/min; winding speed: 13+ -1 m/min, and oven temperature 150+ -5deg.C.
The invention also provides application of the double-sided bright lace sheet to serving as tablecloth and a dining table pad.
Compared with the prior art, the invention provides a double-sided bright lace sheet, which comprises a PET layer, a back adhesive layer, a convex pattern lace sheet, a printing layer and a transparent PVC layer which are sequentially compounded; or comprises a PET layer, a back adhesive layer, a relief lace sheet, a transparent PVC layer and a printing layer which are sequentially compounded; the back adhesive layer is prepared from a thermoplastic acrylic resin mixture, an organic solvent and silicon powder. The PET is used as a base material, the back adhesive layer is attached to the convex lace sheet, so that the double-sided bright lace sheet is obtained, the cost is remarkably reduced, the double-sided bright lace sheet obtained by using the PET as the base material is soft in texture, good in sagging property, and has a decorative function by combining with lace modeling, and on the basis, the product is not deformed and has stronger tearing resistance.
Detailed Description
The invention provides a double-sided bright lace sheet, which comprises a PET layer, a back adhesive layer, a convex pattern lace sheet, a printing layer and a transparent PVC layer which are sequentially compounded;
or comprises a PET layer, a back adhesive layer, a relief lace sheet, a transparent PVC layer and a printing layer which are sequentially compounded.
The PET film is used as a base material, so that the cost of the product can be obviously reduced, and the PET film is soft in texture, good in sagging property and has a decorative function by combining with lace modeling.
Therefore, the invention ensures that the double-sided bright lace sheet product is not deformed and has stronger tear resistance performance by controlling the process conditions, particularly the hot-press bonding process and combining the back adhesive layer arranged between the PET film and the convex lace sheet, and the PET film and the convex lace sheet have higher bonding force.
In the present invention, the standard weight of the 12 μm thick PET film is (17.+ -. 5) g/m 2 Preferably 12, 15, 17, 20, 22, or (17.+ -. 5) g/m 2 Arbitrary values in between.
The convex pattern lace sheet is prepared from the following raw materials in parts by mass:
60 to 75 parts of calcium carbonate filler, 25 to 35 parts of diisononyl phthalate, 45 to 55 parts of SG to 5 resin powder, 1.5 to 2.5 parts of heat stabilizer, 0.06 to 0.2 part of pigment powder, 0.01 to 0.15 part of titanium pigment, 1.5 to 2.5 parts of ACR auxiliary agent and 0.25 to 0.4 part of stearic acid. 9-10 parts of foaming auxiliary agent;
the heat stabilizer is selected from 1801 stearic acid, and the foaming auxiliary agent is selected from foaming auxiliary agents with the model number of AC-6000.
The raw materials for preparing the relief lace sheet provided by the invention comprise 60-75 parts of calcium carbonate filler, preferably 60, 65, 70, 75 or any value between 60 and 75 parts.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 25-35 parts of diisononyl phthalate, preferably 25, 30, 35 or any value between 25 and 35 parts.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 45-55 parts of SG-5 resin powder, preferably 45, 50, 55 or any value between 45 and 55 parts.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 1.5-2.5 parts of heat stabilizer, preferably 1.5, 2.0, 2.5 or any value between 1.5-2.5 parts. The heat stabilizer is selected from 1801 stearic acid.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 0.06-0.2 part of pigment powder, preferably 0.06, 0.1, 0.12, 0.15, 0.2 or any value between 0.06-0.2 part. The specific type of the pigment powder is not particularly limited, and can be specifically selected according to the color of the lace sheet.
The preparation raw materials of the relief lace sheet provided by the invention also comprise 0.01-0.15 part of titanium dioxide, preferably 0.01, 0.05, 0.1, 0.15 or any value between 0.01-0.15 part.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 1.5-2.5 parts of ACR auxiliary agent, preferably 1.5, 2.0, 2.5 or any value between 1.5-2.5 parts. In the invention, the ACR auxiliary agent is selected from ACR-135A, the specification is 25 KG/bag and powder.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 0.25-0.4 part of stearic acid, preferably 0.25, 0.3, 0.35, 0.4 or any value between 0.25 and 0.4 part.
The raw materials for preparing the relief lace sheet provided by the invention also comprise 3 parts of foaming auxiliary agents. The foaming auxiliary agent is selected from foaming auxiliary agents with the model number of AC-6000.
According to the invention, the back adhesive layer is arranged between the composite PET layer and the convex pattern lace sheet, and the PET film layer is prevented from deforming in the preparation and use processes by combining a specific preparation process, and has good binding force with the convex pattern lace sheet.
The back adhesive layer is prepared from a thermoplastic acrylic resin mixture, an organic solvent and silicon powder.
The organic solvent is selected from one or more of butanone, ethyl acetate, n-butyl acetate and toluene.
Specifically, the back adhesive layer is prepared from the following raw materials in parts by mass:
9-11 parts of transparent glue;
9-11 parts of oily glue;
10-30 parts of butanone;
15-25 parts of ethyl acetate;
10-20 parts of n-butyl acetate;
15-35 parts of toluene;
1-3 parts of silicon powder.
In the invention, the raw materials for preparing the back adhesive layer comprise 9-11 parts of transparent glue, preferably 9, 10, 11 or any value between 9 and 11 parts. The transparent glue is precoating glue, the source of the precoating glue is not particularly limited, the transparent glue is generally sold in the market, and the specific components are preferably as follows:
TABLE 1
Name of substance component Range of dosage (wt%)
Modified waterborne polyurethane 23±1
Alcohol solvents 27.8±1
Water and its preparation method 47.7±1
Silica dioxide 1.5±1
Leveling agent 0.03
The preparation raw materials of the back adhesive layer also comprise 9-11 parts of oily glue, preferably 9, 10, 11 or any value between 9 and 11 parts. The source of the back glue is not particularly limited, and the oil glue is generally commercially available. The specific components are preferably as follows:
TABLE 2
Name of substance component Range of dosage (wt%)
Modified acrylic resin 25±1
Solvent (butanone/toluene/refined methyl ester) 74±1
Silica dioxide 2±1
The raw materials for preparing the back adhesive layer also comprise 10-30 parts of butanone, preferably 10, 15, 20, 25, 30 or any value between 10 and 30 parts.
The raw materials for preparing the gum layer also comprise 10-20 parts of n-butyl acetate, preferably 10, 12, 15, 17, 20 or any value between 10 and 20 parts.
The raw materials for preparing the back adhesive layer also comprise 15-25 parts of ethyl acetate, preferably 15, 17, 20, 22, 25 or any value between 15 and 25 parts.
The raw materials for preparing the back adhesive layer also comprise 15-35 parts of toluene, preferably 15, 20, 25, 30, 35 or any value between 15 and 35 parts.
The preparation raw materials of the back adhesive layer also comprise 1-3 parts of silicon powder, preferably 1, 2, 3 or any value between 1 and 3.
And mixing the raw materials to obtain the back adhesive, wherein the solid content of the back adhesive is 20+/-2 wt% and the viscosity of the back adhesive at 25 ℃ is 20+/-3 s.
The back adhesive layer provided by the invention is a hot stamping back adhesive for plastic, and is coated on the surface of PET and is attached to the relief lace sheet. Wherein the coating glue amount is 0.8-1.6 g/m 2 The anilox roll coated is 175-200 mesh, preferably 180 mesh, coating speed: the highest temperature of 80+ -5 m/min, the highest temperature of the drying tunnel is 100deg.C, 130deg.C, 150deg.C and 120deg.C respectively.
In the invention, the thickness of the relief lace sheet is 200-520 mu m; the thickness of the PET film is 12 mu m, and the thickness of the transparent printed pattern layer is 13-17 mu m.
The thickness of the double-sided bright lace sheet product is 0.50-0.65 mm, and the width is 0.5-1.37 m.
The invention also provides a preparation method of the double-sided bright lace sheet, which comprises the following steps:
a) Mixing the raw materials for preparing the relief lace sheet, and then placing the mixture into a screw of a lace machine for high-temperature extrusion plasticizing foaming to obtain a foaming material;
the foaming material is scraped and coated into a gravure lace mold through a discharge port of a die head at the front end of a screw rod, and is heated, dried and molded to obtain a convex pattern lace sheet;
b) Coating a back adhesive layer on the surface of the PET layer, attaching the convex pattern lace sheet on the surface of the back adhesive layer, coating a printing layer on the other side of the convex pattern lace sheet, hot-pressing and laminating transparent PVC, and rolling to obtain the double-sided bright lace sheet.
The invention also provides a preparation method of the double-sided bright lace sheet, which comprises the following steps:
a) Mixing the raw materials for preparing the relief lace sheet, and then placing the mixture into a screw of a lace machine for high-temperature extrusion plasticizing foaming to obtain a foaming material;
the foaming material is scraped and coated into a gravure lace mold through a discharge port of a die head at the front end of a screw rod, and is heated, dried and molded to obtain a convex pattern lace sheet;
b) Coating a back adhesive layer on the surface of the PET layer, attaching the convex pattern lace sheet on the surface of the back adhesive layer, performing hot pressing lamination on the other surface of the convex pattern lace sheet and transparent PVC, coating a printing layer, drying, and rolling to obtain the double-sided bright lace sheet.
Wherein, the primary plasticizing temperature of the screw of the lace machine is 160-170 ℃; the secondary plasticizing temperature is between 175 and 185 ℃; the primary plasticizing temperature is 164+/-5 ℃ in the first region, 165+/-5 ℃ in the second region and 168+/-5 ℃ in the third region, the secondary plasticizing temperature is 170+/-5 ℃ in the fourth region, 172+/-5 ℃ in the fifth region and 174+/-5 ℃ in the sixth region
The temperature of the die head at the front end of the screw is 170+/-5 ℃. The screw front end die head is divided into seven areas, including one area: 170+ -5deg.C, two regions: 170+ -5deg.C, three regions: 170+ -5deg.C, four regions: 170+ -5deg.C, five regions: 170+ -5deg.C, six regions: 170+ -5deg.C, seven regions: 170.+ -. 5 ℃.
The hot-press lamination rubber roll tension is 5.2+/-2 kgf/cm < 2 >, the rolling traction tension is 4+/-2 kgf/cm < 2 >, the lamination temperature is 165+/-5 ℃, the plate roller oil temperature is 185 ℃ +/-10 ℃, the rubber roll water temperature is 10 ℃ +/-1 ℃, the cooling wheel water temperature is 10 ℃ +/-1 ℃, the host machine speed is 8+/-1 m/min, the stripping speed is 5+/-1 m/min, the cooling wheel speed is 5+/-1 m/min, the traction wheel speed is 5+/-1 m/min, the rolling speed is 10+/-1 m/min, and the air pressure is set to be 4-6KG.
In the step b), the operation speed of the main machine of the drying and forming machine is: 13+ -1 m/min; winding speed: 13+ -1 m/min, and oven temperature 150+ -5deg.C.
The invention also provides application of the double-sided bright lace sheet to serving as tablecloth and a dining table pad.
The PET is used as a base material, the back adhesive layer is attached to the convex lace sheet, so that the double-sided bright lace sheet is obtained, the cost is remarkably reduced, the double-sided bright lace sheet obtained by using the PET as the base material is soft in texture, good in sagging property, and has a decorative function by combining with lace modeling, and on the basis, the product is not deformed and has stronger tearing resistance.
In order to further understand the present invention, the double-sided bright lace sheet provided by the present invention, the preparation method and the application thereof are described below with reference to examples, and the scope of the present invention is not limited by the following examples.
Example 1
1. 75 parts of calcium carbonate filler (with the diameter of 1000 meshes), 35 parts of diisononyl phthalate, 55 parts of resin powder (SG-5 resin powder), 2.5 parts of heat stabilizer 1801 (stearic acid), 0.2 part of pigment powder, 0.15 part of titanium pigment and ACR auxiliary agent ACR-135A:2.5 parts of stearic acid 0.4 parts and 3 parts of foaming auxiliary agent (model AC-6000) are weighed according to a proportion, put into mixing equipment and stirred uniformly, put into a storage vat, pushed and pulled manually until the side of a lace machine table is lifted to the upper part of a screw side feeding groove by a crane, mixed powder particles are injected into a screw of the lace machine by opening a baffle below the storage vat, 6 screw sections (primary plasticizing first region 164+/-5 ℃, secondary plasticizing region 165+/-5 ℃, tertiary plasticizing region 168+/-5 ℃, secondary plasticizing fourth plasticizing region 170+/-5 ℃, five region 172+/-5 ℃, six region 174+/-5 ℃) plasticizing foaming, and then 7 region discharge ports of a lace die head which is parallelly injected into the front end of the screw are scraped into a gravure lace die by a scraper, heated and dried by high-temperature heat conducting oil communicated in the lace die to form a embossed lace sheet.
2. Mixing 11 parts of transparent glue, 11 parts of oily glue, 30 parts of butanone, 25 parts of ethyl acetate, 20 parts of n-butyl acetate, 35 parts of toluene and 3 parts of silicon powder to obtain back glue; the solid content of the back adhesive is 20+/-2 wt% and the viscosity at 25 ℃ is 20+/-3 s.
And coating the back adhesive on the surface of PET. Wherein the coating glue amount is 1.6g/m 2 The coated anilox roll was 180 mesh, coating speed: 80m/min, the highest temperature zone of the drying tunnel temperature100 ℃, 130 ℃, 150 ℃ and 120 ℃ respectively.
3. And attaching the convex pattern lace sheet on the surface of the back adhesive layer, coating a printing layer on the other side of the convex pattern lace sheet, then performing hot-pressing lamination on transparent PVC, and rolling to obtain the double-sided bright lace sheet.
The hot-press lamination rubber roll tension is 5.2+/-2 kgf/cm < 2 >, the rolling traction tension is 4+/-2 kgf/cm < 2 >, the lamination temperature is 165+/-5 ℃, the plate roller oil temperature is 185 ℃ +/-10 ℃, the rubber roll water temperature is 10 ℃ +/-1 ℃, the cooling wheel water temperature is 10 ℃ +/-1 ℃, the host machine speed is 8+/-1 m/min, the stripping speed is 5+/-1 m/min, the cooling wheel speed is 5+/-1 m/min, the traction wheel speed is 5+/-1 m/min, the rolling speed is 10+/-1 m/min, and the air pressure is set to be 4-6KG.
Drying and forming machine main machine operation speed: 13m/min (+ -1 m/min); winding speed: 13m/min (+ -1 m/min), oven temperature 150 ℃ + -5 ℃.
Example 2
1. 75 parts of calcium carbonate filler (with the diameter of 1000 meshes), 35 parts of diisononyl phthalate, 55 parts of resin powder (SG-5 resin powder), 2.5 parts of heat stabilizer 1801 (stearic acid), 0.2 part of pigment powder, 0.15 part of titanium pigment and ACR auxiliary agent ACR-135A:2.5 parts of stearic acid 0.4 parts and 3 parts of foaming auxiliary agent (model AC-6000) are weighed according to a proportion, put into mixing equipment and stirred uniformly, put into a storage vat, pushed and pulled manually until the side of a lace machine table is lifted to the upper part of a screw side feeding groove by a crane, mixed powder particles are injected into a screw of the lace machine by opening a baffle below the storage vat, 6 screw sections (primary plasticizing first region 164+/-5 ℃, secondary plasticizing region 165+/-5 ℃, tertiary plasticizing region 168+/-5 ℃, secondary plasticizing fourth plasticizing region 170+/-5 ℃, five region 172+/-5 ℃, six region 174+/-5 ℃) plasticizing foaming, and then 7 region discharge ports of a lace die head which is parallelly injected into the front end of the screw are scraped into a gravure lace die by a scraper, heated and dried by high-temperature heat conducting oil communicated in the lace die to form a embossed lace sheet.
2. Mixing 11 parts of transparent glue, 11 parts of oily glue, 30 parts of butanone, 25 parts of ethyl acetate, 20 parts of n-butyl acetate, 35 parts of toluene and 3 parts of silicon powder to obtain back glue; the solid content of the back adhesive is 20+/-2 wt% and the viscosity at 25 ℃ is 20+/-3 s.
And coating the back adhesive on the surface of PET. Wherein the coating glue amount is 1.6g/m 2 The coated anilox roll was 180 mesh, coating speed: the highest temperature of the drying tunnel is 100 ℃, 130 ℃, 150 ℃ and 120 ℃ respectively at 80 m/min.
3. And (3) attaching the convex pattern lace sheet on the surface of the back adhesive layer, then coating a printing layer after the other surface of the convex pattern lace sheet is bonded with transparent PVC by hot pressing, drying and rolling to obtain the double-sided bright lace sheet.
The hot-press lamination rubber roll tension is 5.2+/-2 kgf/cm < 2 >, the rolling traction tension is 4+/-2 kgf/cm < 2 >, the lamination temperature is 165+/-5 ℃, the plate roller oil temperature is 185 ℃ +/-10 ℃, the rubber roll water temperature is 10 ℃ +/-1 ℃, the cooling wheel water temperature is 10 ℃ +/-1 ℃, the host machine speed is 8+/-1 m/min, the stripping speed is 5+/-1 m/min, the cooling wheel speed is 5+/-1 m/min, the traction wheel speed is 5+/-1 m/min, the rolling speed is 10+/-1 m/min, and the air pressure is set to be 4-6KG.
Drying and forming machine main machine operation speed: 13m/min (+ -1 m/min); winding speed: 13m/min (+ -1 m/min), oven temperature 150 ℃ + -5 ℃.
Performance test:
(1) The object is: the insulation properties of the insulation materials under different conditions of use were tested.
The steps are as follows:
1. preparing test equipment and samples: thermometer, heat source, test sample (tablecloths prepared in example 1 and example 2), experimental container, etc.
2. A constant temperature source, such as a heat source, is provided in the laboratory and maintained at a certain temperature.
3. The sample of insulating material is placed beside the heat source, simulating different conditions of use, e.g. different humidity, different wind speeds, etc.
4. The temperature beside the heat source and on the surface of the insulating material was measured using a thermometer and the data was recorded.
5. Multiple measurements are made on each insulation sample under each use condition to ensure accuracy and repeatability of the test results.
6. Based on the measured temperature data, thermal insulation performance indicators, such as thermal conductivity, etc., under different use conditions are calculated and compared.
7. And according to the test result, evaluating the heat insulation performance of the heat insulation material under different use conditions, and providing corresponding technical improvement and optimization suggestions.
The thermal conductivity of the tablecloths prepared in examples 1 and 2 generally ranged from 0.02 to 1.0W/(m·k) under standard temperature and humidity conditions (20 ℃,50% relative humidity).
The thermal conductivity of the insulation material may increase slightly with increasing temperature, about 10-20% per 10 c increase.
The influence of humidity, pressure and other factors on the heat insulation performance is relatively small and can be ignored in general.
(2) Binding force test
1. The object is: and testing the binding force of the tablecloth and the weight.
The steps are as follows:
1. preparing test equipment and samples: tablecloth samples, flat surfaces, calibration weights of different weights.
2. The tablecloth samples were tiled on the test surface.
3. The calibrated weights were placed on different areas of the tablecloth.
4. A vertical pulling force is slowly applied in an attempt to move the tablecloth from the surface.
5. The minimum force with which the tablecloth starts to move when a tensile force is applied is recorded.
6. Repeating the above steps for several times to obtain accurate result and calculating average binding force value.
7. And (5) evaluating the binding force of the tablecloth and the weight according to the test result, and recording data.
8. Compared with the binding force of different tablecloth samples, corresponding technical improvement and optimization suggestions are provided.
Test results: using the tablecloths prepared in examples 1 and 2, a weight of approximately 2-5 kg was placed with a probability of 50-80% of the weight being firmly held on the tablecloth.
2. The object is: and testing the binding force of the tablecloth and the tensile force.
The steps are as follows:
1. preparing test equipment and samples: tablecloth samples, flat surfaces, devices capable of applying tension (e.g., clamps, ropes).
2. The tablecloth samples were tiled on the test surface.
3. The tablecloth is fixed at one end by using a fixture, a rope or the like.
4. And gradually applying a tensile force to test the binding force of the tablecloth and the tensile force.
5. The force value at which the tablecloth starts to move when a tensile force is applied is recorded, and the movement is observed.
6. Multiple tests are performed to obtain accurate results and an average binding force value is calculated.
7. And according to the test result, evaluating the binding force of the tablecloth and the tensile force, and recording data.
8. Compared with the binding force of different tablecloth samples, corresponding technical improvement and optimization suggestions are provided.
With the tablecloths prepared in examples 1 and 2, tensile force in the horizontal direction was applied, and the tablecloth had a probability of 60-90% that it could firmly adhere to the tensile force and was not easily loosened or detached.
3. The object is: and testing the binding force of the tablecloth and humidity.
The steps are as follows:
1. preparing test equipment and samples: tablecloth samples, humidity controlling equipment or environment, flat surfaces.
2. The tablecloth samples were tiled on the test surface.
3. The humidity of the environment is adjusted to a set humidity level.
4. The humidity control device was placed beside the tablecloth to ensure that the humidity covered the entire tablecloth surface evenly.
5. And observing whether the tablecloth material is deformed, adhered or wrinkled under different humidity conditions.
6. The combination of tablecloth and humidity was recorded, including the degree of deformation, degree of movement, etc.
7. Multiple tests were performed to obtain accurate results and the average binding calculated.
8. And according to the test result, evaluating the combination condition of the tablecloth and the humidity, and recording data.
9. Compared with the binding force of different tablecloth samples, corresponding technical improvement and optimization suggestions are provided.
As the humidity increases, the binding force between the tablecloths of examples 1 and 2 and the object gradually increases. In an environment with low relative humidity (30%), the binding force is in the range of 30-50%. And in an environment (70%) with high relative humidity, the binding force is in the range of 70-90%.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (10)

1. The double-sided bright lace sheet is characterized by comprising a PET layer, a back adhesive layer, a convex pattern lace sheet, a printing layer and a transparent PVC layer which are sequentially compounded;
or comprises a PET layer, a back adhesive layer, a relief lace sheet, a transparent PVC layer and a printing layer which are sequentially compounded.
2. The double-sided bright lace sheet according to claim 1, wherein the embossed lace sheet is prepared from the following raw materials in parts by mass:
60 to 75 parts of calcium carbonate filler, 25 to 35 parts of diisononyl phthalate, 45 to 55 parts of SG to 5 resin powder, 1.5 to 2.5 parts of heat stabilizer, 0.06 to 0.2 part of pigment powder, 0.01 to 0.15 part of titanium pigment, 1.5 to 2.5 parts of ACR auxiliary agent, 0.25 to 0.4 part of stearic acid and 3 parts of foaming auxiliary agent.
3. The double sided bright lace sheet of claim 1, wherein the gum layer is prepared from a thermoplastic acrylic resin mixture, an organic solvent, and silicon powder.
4. The double-sided bright lace sheet according to claim 1, wherein the gum layer is prepared from the following raw materials in parts by mass:
9-11 parts of transparent glue;
9-11 parts of oily glue;
10-30 parts of butanone;
15-25 parts of ethyl acetate;
10-20 parts of n-butyl acetate;
15-35 parts of toluene;
1-3 parts of silicon powder.
5. The double sided bright lace sheet of claim 1, wherein the PET basis weight is (17±5) g/m 2 。
6. The double sided bright lace sheet of claim 1, wherein the thickness of the lace sheet is 200-520 μιη; the thickness of the PET layer is 12 mu m, and the thickness of the transparent printed pattern layer is 13-17 mu m;
the thickness of the double-sided bright lace sheet product is 0.50-0.65 mm, and the width is 0.5-1.37 m.
7. A method of making a double sided bright lace sheet as claimed in any one of claims 1 to 6, comprising the steps of:
a) Mixing the raw materials for preparing the relief lace sheet, and then placing the mixture into a screw of a lace machine for high-temperature extrusion plasticizing foaming to obtain a foaming material;
the foaming material is scraped and coated into a gravure lace mold through a discharge port of a die head at the front end of a screw rod, and is heated, dried and molded to obtain a convex pattern lace sheet;
b) Coating a back adhesive layer on the surface of the PET layer, attaching the convex pattern lace sheet on the surface of the back adhesive layer, coating a printing layer on the other side of the convex pattern lace sheet, hot-pressing and laminating transparent PVC, and rolling to obtain the double-sided bright lace sheet.
8. A method of making a double sided bright lace sheet as claimed in any one of claims 1 to 6, comprising the steps of:
a) Mixing the raw materials for preparing the relief lace sheet, and then placing the mixture into a screw of a lace machine for high-temperature extrusion plasticizing foaming to obtain a foaming material;
the foaming material is scraped and coated into a gravure lace mold through a discharge port of a die head at the front end of a screw rod, and is heated, dried and molded to obtain a convex pattern lace sheet;
b) Coating a back adhesive layer on the surface of the PET layer, attaching the convex pattern lace sheet on the surface of the back adhesive layer, performing hot pressing lamination on the other surface of the convex pattern lace sheet and transparent PVC, coating a printing layer, drying, and rolling to obtain the double-sided bright lace sheet.
9. The preparation method according to claim 7 or 8, wherein the primary plasticizing temperature of the lace machine screw is between 160 and 170 ℃; the secondary plasticizing temperature is between 175 and 185 ℃;
the temperature of the die head at the front end of the screw is 170+/-5 ℃;
the hot-press lamination rubber roll tension is 5.2+/-2 kgf/cm < 2 >, the rolling traction tension is 4+/-2 kgf/cm < 2 >, the lamination temperature is 165+/-5 ℃, the plate roller oil temperature is 185 ℃ +/-10 ℃, the rubber roll water temperature is 10 ℃ +/-1 ℃, the cooling wheel water temperature is 10 ℃ +/-1 ℃, the host machine speed is 8+/-1 m/min, the stripping speed is 5+/-1 m/min, the cooling wheel speed is 5+/-1 m/min, the traction wheel speed is 5+/-1 m/min, the rolling speed is 10+/-1 m/min, and the air pressure is set to be 4-6KG;
in the step b), the running speed of the dried forming machine main machine is: 13+ -1 m/min; winding speed: 13+ -1 m/min, and oven temperature 150+ -5deg.C.
10. Use of a double sided bright lace sheet as claimed in any one of claims 1 to 6 as tablecloth, dining table mat.
CN202311209446.0A 2023-09-18 2023-09-18 Double-sided bright lace sheet and preparation method and application thereof Pending CN117261395A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311209446.0A CN117261395A (en) 2023-09-18 2023-09-18 Double-sided bright lace sheet and preparation method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311209446.0A CN117261395A (en) 2023-09-18 2023-09-18 Double-sided bright lace sheet and preparation method and application thereof

Publications (1)

Publication Number Publication Date
CN117261395A true CN117261395A (en) 2023-12-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN117261395A (en)

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