CN112280254B - Environment-friendly PBT home decoration film and adhesive tape produced by using same - Google Patents
Environment-friendly PBT home decoration film and adhesive tape produced by using same Download PDFInfo
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- CN112280254B CN112280254B CN202010732196.9A CN202010732196A CN112280254B CN 112280254 B CN112280254 B CN 112280254B CN 202010732196 A CN202010732196 A CN 202010732196A CN 112280254 B CN112280254 B CN 112280254B
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- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
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- 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
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
- C08K5/523—Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
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- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/14—Glass
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K9/00—Use of pretreated ingredients
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Abstract
The invention relates to the technical field of PBT home decoration films, in particular to an environment-friendly PBT home decoration film and an adhesive tape produced by using the same. The preparation raw materials of the environment-friendly PBT home decoration film comprise the following components of pretreated PBT reclaimed materials, glass fibers, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent; the preparation method of the environment-friendly PBT home decoration film comprises the following steps: s1: providing a pretreated PBT reclaimed material; s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film. The environmental protection PBT house ornamentation membrane in this application can reach energy-concerving and environment-protective in the production process, and the production process need not wash, improves production efficiency.
Description
Technical Field
The invention relates to the technical field of PBT home decoration films, in particular to an environment-friendly PBT home decoration film and an adhesive tape produced by using the same.
Background
Polybutylene terephthalate is a polymer prepared by a transesterification method of dimethyl terephthalate and butanediol or a direct esterification method of the polybutylene terephthalate and the butanediol, and is called PBT for short in English. Polybutylene terephthalate (PBT) is a crystalline thermoplastic resin with a fast crystallization rate, which can be rapidly crystallized at a low temperature, and is advantageous for molding processing.
The pure PBT has the general performance, but the mechanical and thermal properties are greatly improved after being reinforced and modified by glass fibers. The specific performance characteristics are as follows: the mechanical property is similar to PA and POM, the friction coefficient is small, the self-lubricating property is good, the thermal stability and the chemical stability are good, the electrical insulation property is excellent, the rigidity and the hardness are high, the impact resistance is good, the dimensional stability is high, the processability is good, the heat resistance is good, and the modified flame-retardant PBT can achieve self-extinguishing after leaving fire. So that the packaging material can be widely applied to home decoration, electrical product packaging, food packaging, clothing packaging, daily necessities packaging and the like.
However, PBT suffers from some drawbacks, such as being sensitive to notched impact and having poor resistance to thermal hydrolysis; is easily affected by factors such as crystallization, technology, mold and the like, especially glass fiber reinforced PBT is easy to generate more mold scales in the production process, which leads to the need of cleaning the mold at regular time in the continuous processing process, thus resulting in low production efficiency.
In order to solve the technical problems, the applicant develops an environment-friendly PBT home decoration film and an adhesive tape produced by using the film.
Disclosure of Invention
In order to solve the problems, the first aspect of the invention provides an environment-friendly PBT home decoration film, which is prepared from the following raw materials in parts by weight:
preferably, the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
preferably, the pretreatment steps of the pretreated PBT reclaimed material are as follows:
and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in 0.01mol/L acetic acid solution, standing for 2 minutes, and drying to obtain the pretreated PBT reclaimed material.
Preferably, the glass fiber is alkali-free glass fiber, and the fiber monofilament diameter is 10-20 mu m.
Preferably, the silane coupling agent is a mixture of one or more of KH550, KH560, KH570, KH 792.
Preferably, the flame retardant is a phosphate flame retardant; the phosphate flame retardant is one or more of diphenyl phosphate, triphenyl phosphate, tricresyl phosphate, tri-xylene phosphate, tri (2, 6-xylyl) phosphate, tri (2, 4, 6-trimethylphenyl) phosphate, tri (2, 4-di-tert-butylphenyl) phosphate and tri (2, 6-xylyl) phosphate.
Preferably, the dispersing agent is one or a mixture of more than one of zinc stearate, magnesium stearate, barium stearate, glyceryl monostearate and glyceryl tristearate.
Preferably, the glass fibers are modified glass fibers.
The second aspect of the invention provides a preparation method of the environment-friendly PBT home decoration film, which comprises the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
The third aspect of the invention provides an adhesive tape prepared by applying the environment-friendly PBT home decoration film, and the preparation process of the adhesive tape comprises the following steps:
providing an acrylate adhesive;
uniformly coating the acrylic ester adhesive on the environment-friendly PBT home decoration film by using a coating machine to form an acrylic ester adhesive layer;
and covering an isolation layer on the acrylic ester adhesive layer.
The invention has the beneficial effects that:
1. the environment-friendly energy-saving PBT film prepared by the environment-friendly energy-saving PBT film production process hardly generates mold scale in the production process, and improves the production efficiency.
2. The PBT reclaimed material is adopted for processing, and because the macromolecule chain segments in the PBT reclaimed material are broken, the tensile strength can be greatly improved by creatively adjusting the formula in the application.
3. The product has better heat-resistant hydrolysis performance.
Detailed Description
In the following, the technical solutions of the embodiments of the present invention will be clearly and completely described in conjunction with the embodiments of the present invention, and it is apparent that the embodiments are only representative embodiments of some but not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without making any creative effort are within the protection scope of the present invention.
The invention provides an environment-friendly PBT home decoration film, which is prepared from the following raw materials in parts by weight:
the term "PBT recycle" is not particularly limited, and any PBT recycle may be used, and examples thereof include: PBT engineering plastic reclaimed materials, PBT home decoration film fiber reclaimed materials and the like.
In the application, the PBT reclaimed material can recycle resources, change waste into valuable and achieve the technical effects of energy conservation and environmental protection.
In a preferred embodiment, the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
in a preferred embodiment, the pretreatment steps of the pretreated PBT recycle are:
and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in 0.01mol/L acetic acid solution, standing for 2 minutes, and drying to obtain the pretreated PBT reclaimed material.
The applicant has found unexpectedly that in the process of pretreating the PBT reclaimed material, the concentration of the acetic acid solution in the soaking solution cannot be too high or too low, the performance of the PBT reclaimed material obtained after the PBT reclaimed material is subsequently obtained can be influenced by the too high or too low concentration, and the treatment time cannot be too long, and the optimal time is 2 minutes.
In a preferred embodiment, the glass fibers are alkali-free glass fibers and the fiber filaments have a diameter of 10 to 20 μm.
Preferably, the silane coupling agent is a mixture of one or more of KH550, KH560, KH570, KH 792.
Preferably, the flame retardant is a phosphate flame retardant; the phosphate flame retardant is one or more of diphenyl phosphate, triphenyl phosphate, tricresyl phosphate, tri-xylene phosphate, tri (2, 6-xylyl) phosphate, tri (2, 4, 6-trimethylphenyl) phosphate, tri (2, 4-di-tert-butylphenyl) phosphate and tri (2, 6-xylyl) phosphate.
Preferably, the dispersing agent is one or a mixture of more than one of zinc stearate, magnesium stearate, barium stearate, glyceryl monostearate and glyceryl tristearate.
Preferably, the glass fibers are modified glass fibers.
The preparation method of the modified glass fiber comprises the following steps:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 0.5h at 400 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in polyether silicone oil for 15min at 50 ℃, and drying to obtain the modified glass fiber.
The second aspect of the invention provides a preparation method of the environment-friendly PBT home decoration film, which comprises the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
In a preferred embodiment, the pretreatment steps of the pretreated PBT recycle are:
and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in 0.01mol/L acetic acid solution, standing for 2 minutes, and drying to obtain the pretreated PBT reclaimed material.
The environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
in a preferred embodiment, the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
in a preferred embodiment, the glass fibers are alkali-free glass fibers and the fiber filaments have a diameter of 10 to 20 μm.
In a preferred embodiment, the silane coupling agent is a mixture of one or more of KH550, KH560, KH570, KH 792.
In a preferred embodiment, the flame retardant is a phosphate flame retardant; the phosphate flame retardant is one or more of diphenyl phosphate, triphenyl phosphate, tricresyl phosphate, tri-xylene phosphate, tri (2, 6-xylyl) phosphate, tri (2, 4, 6-trimethylphenyl) phosphate, tri (2, 4-di-tert-butylphenyl) phosphate and tri (2, 6-xylyl) phosphate.
In a preferred embodiment, the dispersing agent is one or a mixture of several of zinc stearate, magnesium stearate, barium stearate, glyceryl monostearate and glyceryl tristearate.
In a preferred embodiment, the pigment is selected from one or more of titanium white, carbon black, chrome yellow, iron blue, cadmium red, cadmium yellow, lithopone, iron oxide red, iron oxide yellow.
In a preferred embodiment, the film former is selected from the group consisting of acrylic film formers.
The third aspect of the invention provides an adhesive tape prepared by applying the environment-friendly PBT home decoration film, and the preparation process of the adhesive tape comprises the following steps:
providing an acrylate adhesive;
uniformly coating the acrylic ester adhesive on the environment-friendly PBT home decoration film by using a coating machine to form an acrylic ester adhesive layer;
and covering an isolation layer on the acrylic ester adhesive layer.
In order to improve the strength of the PBT house-hold film, a high proportion of glass fibers (the weight ratio of the PBT reclaimed material to the glass fibers is 100:30) are added in the formula of the PBT house-hold film, and in the production process, more mold scales can be generated in a screw extruder, so that in the continuous processing process, the mold needs to be cleaned regularly, and the production efficiency is low. In the application, the formula and the proportion of the PBT home decoration film are creatively improved, and especially, the modified glass fiber and the chain-locking nano calcium carbonate are added, so that the strength of the PBT home decoration film is improved, very little mold scale is generated in the production process, the production efficiency is improved, and the energy conservation and the environment friendliness are realized. Meanwhile, by creatively adjusting the formula in the application, the tensile strength can be greatly improved, and the tensile strength is not greatly reduced after hot water treatment, so that the product has better heat hydrolysis resistance.
The following is a specific embodiment for illustrating the technical solution of the present application.
Example 1:
the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
the pretreatment steps of the pretreated PBT reclaimed material are as follows:
after the PBT reclaimed material is cleaned and crushed, the crushing fineness is as follows: 20 meshes; the PBT reclaimed material is engineering plastic reclaimed material;
placing the mixture into 0.01mol/L acetic acid solution, standing the mixture for 2 minutes, and drying the mixture to obtain the pretreated PBT reclaimed material.
The glass fiber is alkali-free glass fiber, and the diameter of a fiber monofilament is 10 mu m;
the silane coupling agent is KH550;
the flame retardant is tricresyl phosphate;
the dispersing agent is glyceryl tristearate;
the pigment is titanium white;
the chain-locked nano calcium carbonate; purchased from Huayu nanotechnology limited;
the film forming agent is organosilicon modified acrylic resin 17X-8501.
The preparation method of the environment-friendly PBT home decoration film comprises the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
Wherein, the feeding speed of the double-screw extrusion granulator is 250g/min, the extrusion speed is 100r/min, and the processing temperature is 155 ℃ in the first region, 210 ℃ in the second region, 255 ℃ in the third region, 255 ℃ in the fourth region, 250 ℃ in the fifth region and 230 ℃ in the sixth region (extrusion port); the dicing speed was 0.8m/min. And (5) putting the prepared slices into a baking oven to be dried for 3 hours, wherein the drying temperature is 100 ℃. And (3) carrying out tape casting on the dried slices to prepare a film, wherein the processing temperature is 160 ℃ in the first region, 235 ℃ in the second region, 260 ℃ in the third region, 250 ℃ in the fourth region and 255 ℃ in the die head.
Example 2:
the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
the pretreatment steps of the pretreated PBT reclaimed material are as follows:
after the PBT reclaimed material is cleaned and crushed, the crushing fineness is as follows: 20 meshes; the PBT reclaimed material is engineering plastic reclaimed material;
placing the mixture into 0.01mol/L acetic acid solution, standing the mixture for 2 minutes, and drying the mixture to obtain the pretreated PBT reclaimed material.
The glass fiber is alkali-free glass fiber, and the diameter of a fiber monofilament is 10 mu m;
the silane coupling agent is KH550;
the flame retardant is tricresyl phosphate;
the dispersing agent is glyceryl tristearate;
the pigment is titanium white;
the chain-locked nano calcium carbonate; purchased from Huayu nanotechnology limited;
the film forming agent is organosilicon modified acrylic resin 17X-8501.
The preparation method of the environment-friendly PBT home decoration film comprises the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
Wherein, the feeding speed of the double-screw extrusion granulator is 250g/min, the extrusion speed is 100r/min, and the processing temperature is 155 ℃ in the first region, 210 ℃ in the second region, 255 ℃ in the third region, 255 ℃ in the fourth region, 250 ℃ in the fifth region and 230 ℃ in the sixth region (extrusion port); the dicing speed was 0.8m/min. And (5) putting the prepared slices into a baking oven to be dried for 3 hours, wherein the drying temperature is 100 ℃. And (3) carrying out tape casting on the dried slices to prepare a film, wherein the processing temperature is 160 ℃ in the first region, 235 ℃ in the second region, 260 ℃ in the third region, 250 ℃ in the fourth region and 255 ℃ in the die head.
Example 3:
the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
the pretreatment steps of the pretreated PBT reclaimed material are as follows:
after the PBT reclaimed material is cleaned and crushed, the crushing fineness is as follows: 20 meshes; the PBT reclaimed material is engineering plastic reclaimed material;
placing the mixture into 0.01mol/L acetic acid solution, standing the mixture for 2 minutes, and drying the mixture to obtain the pretreated PBT reclaimed material.
The glass fiber is alkali-free glass fiber, and the diameter of a fiber monofilament is 10 mu m;
the silane coupling agent is KH550;
the flame retardant is tricresyl phosphate;
the dispersing agent is glyceryl tristearate;
the pigment is titanium white;
the chain-locked nano calcium carbonate; purchased from Huayu nanotechnology limited;
the film forming agent is organosilicon modified acrylic resin 17X-8501.
The preparation method of the environment-friendly PBT home decoration film comprises the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
Wherein, the feeding speed of the double-screw extrusion granulator is 250g/min, the extrusion speed is 100r/min, and the processing temperature is 155 ℃ in the first region, 210 ℃ in the second region, 255 ℃ in the third region, 255 ℃ in the fourth region, 250 ℃ in the fifth region and 230 ℃ in the sixth region (extrusion port); the dicing speed was 0.8m/min. And (5) putting the prepared slices into a baking oven to be dried for 3 hours, wherein the drying temperature is 100 ℃. And (3) carrying out tape casting on the dried slices to prepare a film, wherein the processing temperature is 160 ℃ in the first region, 235 ℃ in the second region, 260 ℃ in the third region, 250 ℃ in the fourth region and 255 ℃ in the die head.
Example 4:
the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
the pretreatment steps of the pretreated PBT reclaimed material are as follows:
after the PBT reclaimed material is cleaned and crushed, the crushing fineness is as follows: 20 meshes; the PBT reclaimed material is engineering plastic reclaimed material;
placing the mixture into 0.01mol/L acetic acid solution, standing the mixture for 2 minutes, and drying the mixture to obtain the pretreated PBT reclaimed material.
The glass fiber is modified glass fiber;
the preparation method of the modified glass fiber comprises the following steps:
pretreatment of glass fibers: placing glass fibers (alkali-free glass fibers, wherein the diameter of fiber monofilaments is 10 mu m) in a muffle furnace, and roasting at 400 ℃ for 0.5h to obtain pretreated glass fibers;
and standing the pretreated glass fiber in polyether silicone oil for 15min at 50 ℃, and drying to obtain the modified glass fiber.
The silane coupling agent is KH550;
the flame retardant is tricresyl phosphate;
the dispersing agent is glyceryl tristearate;
the pigment is titanium white;
the chain-locked nano calcium carbonate; purchased from Huayu nanotechnology limited;
the film forming agent is organosilicon modified acrylic resin 17X-8501.
The preparation method of the environment-friendly PBT home decoration film comprises the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
Wherein, the feeding speed of the double-screw extrusion granulator is 250g/min, the extrusion speed is 100r/min, and the processing temperature is 155 ℃ in the first region, 210 ℃ in the second region, 255 ℃ in the third region, 255 ℃ in the fourth region, 250 ℃ in the fifth region and 230 ℃ in the sixth region (extrusion port); the dicing speed was 0.8m/min. And (5) putting the prepared slices into a baking oven to be dried for 3 hours, wherein the drying temperature is 100 ℃. And (3) carrying out tape casting on the dried slices to prepare a film, wherein the processing temperature is 160 ℃ in the first region, 235 ℃ in the second region, 260 ℃ in the third region, 250 ℃ in the fourth region and 255 ℃ in the die head.
Comparative example 1:
the specific procedure of comparative example 1 was the same as in example 1, except that the pretreated PBT recycle was replaced with a PBT recycle (i.e., the PBT recycle was not subjected to the pretreatment step).
Comparative example 2:
the specific procedure of comparative example 2 was the same as in example 1, except that the pretreatment step of the pretreated PBT recycle was replaced with:
and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in 0.1mol/L acetic acid solution, standing for 2 minutes, and drying to obtain the pretreated PBT reclaimed material.
Comparative example 3:
the specific procedure of comparative example 3 was the same as in example 1, except that the pretreatment step of the pretreated PBT recycle was replaced with:
and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in 0.01mol/L acetic acid solution, standing for 20 minutes, and drying to obtain the pretreated PBT reclaimed material.
Comparative example 4:
the specific procedure of comparative example 4 was the same as in example 1, except that the pretreatment step of the pretreated PBT recycle was replaced with:
and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in a hydrochloric acid solution with the concentration of 0.01mol/L, standing for 2 minutes, and drying to obtain the pretreated PBT reclaimed material.
Comparative example 5:
the specific procedure of comparative example 5 was the same as in example 1, except that the chain-like nano calcium carbonate was replaced with nano calcium oxide.
Comparative example 6:
the specific procedure of comparative example 6 was the same as in example 1, except that chain-locked nano calcium carbonate was replaced with spherical nano calcium carbonate.
Comparative example 7:
the specific procedure of comparative example 7 was the same as in example 1, except that the chain-locked nano calcium carbonate was replaced with needle-shaped nano calcium carbonate.
Comparative example 8:
the specific procedure of comparative example 8 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
directly standing the glass fiber in polyether silicone oil for 15min at 50 ℃, and drying to obtain the modified glass fiber.
Comparative example 9:
the specific procedure of comparative example 9 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 2 hours at 400 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in polyether silicone oil for 15min at 50 ℃, and drying to obtain the modified glass fiber.
Comparative example 10:
the specific procedure of comparative example 10 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 10min at 400 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in polyether silicone oil for 15min at 50 ℃, and drying to obtain the modified glass fiber.
Comparative example 11:
the specific procedure of comparative example 11 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 0.5h at 400 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in polyether silicone oil for 30min at 50 ℃, and drying to obtain the modified glass fiber.
Comparative example 12:
the specific procedure of comparative example 12 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 0.5h at 400 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in polyether silicone oil for 5min at 50 ℃, and drying to obtain the modified glass fiber.
Comparative example 13:
the specific procedure of comparative example 13 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 0.5h at 400 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in methyl silicone oil for 5min at 50 ℃, and drying to obtain the modified glass fiber.
Comparative example 14:
the specific procedure of comparative example 14 was the same as in example 4, except that the preparation method of the modified glass fiber was changed to:
pretreatment of glass fibers: placing the glass fiber in a muffle furnace, and roasting for 0.5h at 500 ℃ to obtain pretreated glass fiber;
and standing the pretreated glass fiber in polyether silicone oil for 30min at 50 ℃, and drying to obtain the modified glass fiber.
The performance test method comprises the following steps:
1. film scale evaluation method: the products obtained in the examples and comparative examples were each continuously produced 10 times, and the weight of the scale scraped off from the fixed exhaust port was measured.
2. Tensile strength: standard astm d638 is tested.
3. Evaluation method of thermal hydrolysis resistance: the tensile strength of the products obtained in examples and comparative examples was measured after immersing them in hot water at 100℃for 72 hours.
The specific data are shown in the product performance evaluation table in Table 1.
Table 1 product performance evaluation table
According to the multiple groups of examples and the comparison experimental data, the environment-friendly and energy-saving PBT home decoration film prepared by the environment-friendly and energy-saving PBT home decoration film production process has the advantages that mold scales are hardly generated in the production process, and the production efficiency is improved. Meanwhile, in the application, the PBT reclaimed material is processed, and because the macromolecule chain segments in the PBT reclaimed material are broken, the tensile strength can be greatly improved through creatively adjusting the formula in the application, and the tensile strength is not greatly reduced after hot water treatment, so that the product has better heat-resistant hydrolysis performance.
The environment-friendly PBT home decoration film prepared in the embodiment 4 is adopted to prepare an adhesive tape, and the preparation process of the adhesive tape comprises the following steps:
providing an acrylate adhesive;
uniformly coating the acrylic acid ester adhesive on the environment-friendly PBT home decoration film prepared in the embodiment 4 by using a coating machine to form an acrylic acid ester adhesive layer; the thickness of the acrylic adhesive layer is 1mm;
and covering an isolation layer on the acrylic ester adhesive layer. And (5) after ultraviolet curing, obtaining the adhesive tape.
The applicant states that the detailed process equipment and process flows of the present invention are described by the above examples, but the present invention is not limited to, i.e., does not mean that the present invention must be practiced in dependence upon, the above detailed process equipment and process flows. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitution of raw materials for the product of the present invention, addition of auxiliary components, selection of specific modes, etc., falls within the scope of the present invention and the scope of disclosure.
Claims (9)
1. The environment-friendly PBT home decoration film is characterized by comprising the following raw materials in parts by weight:
100 parts of pretreated PBT reclaimed materials;
10-30 parts of glass fiber;
1-5 parts of a silane coupling agent;
1-10 parts of flame retardant;
3-15 parts of dispersing agent;
1-10 parts of pigment;
5-12 parts of chain-locked nano calcium carbonate;
1-15 parts of film forming agent;
the pretreatment steps of the pretreated PBT reclaimed material are as follows: and (3) cleaning and crushing the PBT reclaimed material, placing the PBT reclaimed material in 0.01mol/L acetic acid solution, standing for 2 minutes, and drying to obtain the pretreated PBT reclaimed material.
2. The environment-friendly PBT home decoration film as claimed in claim 1, wherein the environment-friendly PBT home decoration film comprises the following raw materials in parts by weight:
100 parts of pretreated PBT reclaimed materials;
30 parts of glass fiber;
3 parts of a silane coupling agent;
10 parts of flame retardant;
12 parts of dispersing agent;
5 parts of pigment;
7 parts of chain-locked nano calcium carbonate;
3 parts of film forming agent.
3. The environmentally friendly PBT house wrap film of claim 1 wherein the glass fibers are alkali free glass fibers and the fiber filaments have a diameter of 10 to 20 μm.
4. The environmentally friendly PBT house-hold film of claim 1, wherein the silane coupling agent is a mixture of one or more of KH550, KH560, KH570, KH 792.
5. The environmentally friendly PBT house wrap film of claim 1, wherein the flame retardant is a phosphate flame retardant; the phosphate flame retardant is one or more of diphenyl phosphate, triphenyl phosphate, tricresyl phosphate, tri-xylene phosphate, tri (2, 6-xylyl) phosphate, tri (2, 4, 6-trimethylphenyl) phosphate and tri (2, 4-di-tert-butylphenyl) phosphate.
6. The environmentally friendly PBT house hold film of claim 1, wherein the dispersant is one or a mixture of several of zinc stearate, magnesium stearate, barium stearate, glyceryl monostearate, and glyceryl tristearate.
7. The environmentally friendly PBT house wrap film of claim 1 wherein the glass fibers are modified glass fibers.
8. The method for preparing the environment-friendly PBT home decoration film according to any one of claims 1 to 7, which is characterized by comprising the following steps:
s1: providing a pretreated PBT reclaimed material;
s2: uniformly mixing the pretreated PBT reclaimed material, glass fiber, a silane coupling agent, a flame retardant, a dispersing agent, pigment, chain-locked nano calcium carbonate and a film forming agent, adding the mixture into a double-screw extrusion granulator for mixing granulation, and carrying out tape casting and heating drying to obtain the environment-friendly PBT home decoration film.
9. The adhesive tape prepared by using the environment-friendly PBT home decoration film according to any one of claims 1 to 7, which is characterized in that the preparation process of the adhesive tape comprises the following steps:
providing an acrylate adhesive;
uniformly coating the acrylic ester adhesive on the environment-friendly PBT home decoration film by using a coating machine to form an acrylic ester adhesive layer;
and covering an isolation layer on the acrylic ester adhesive layer.
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