CN111979781B - Preparation method of anti-aging PU coating polyester fabric furniture cover - Google Patents
Preparation method of anti-aging PU coating polyester fabric furniture cover Download PDFInfo
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- CN111979781B CN111979781B CN202010799426.3A CN202010799426A CN111979781B CN 111979781 B CN111979781 B CN 111979781B CN 202010799426 A CN202010799426 A CN 202010799426A CN 111979781 B CN111979781 B CN 111979781B
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- D—TEXTILES; PAPER
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- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
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Abstract
The invention relates to the field of household articles, in particular to a preparation method of an anti-aging PU coating polyester fabric furniture cover; the method comprises the following steps: preparing PU coating, treating base cloth, compounding and cutting the coating and the like; compared with the products on the market at present, the PU coating polyester fabric furniture cover prepared by the invention has excellent ageing resistance, and the PU coating using the anti-ageing modified PU resin provided by the invention is prepared by adopting the organopolysiloxane modified PU resin, and micro-nano lignin cellulose and graphene are added in the synthesis process, so that the cohesiveness, thermal stability and ageing resistance of the PU resin can be effectively improved, and the prepared coating polyester fabric furniture cover also has excellent ageing resistance, wear resistance, elasticity and scraping resistance.
Description
Technical Field
The invention relates to the field of household articles, in particular to a preparation method of an anti-aging PU coating polyester fabric furniture cover.
Background
The coated fabric is made by uniformly coating a layer of high molecular compound capable of forming a film on the surface of a fabric or non-woven fabric, and because the coated fabric can endow various functions to the fabric, can endow the fabric with unique style, hand feeling and appearance, can greatly improve the added value of products, widens the application of the fabric, and has an effect which is difficult to achieve by common printing and dyeing finishing.
CN208324430U discloses a radiation protection dacron coated fabric, the utility model relates to a radiation protection dacron cloth, including the layer of protecting against radiation, the layer of protecting against radiation is worked out by radiation protection dacron silk, radiation protection dacron silk includes the far-infrared silk, the far-infrared silk has a lot of benefits to the human body, far-infrared silk surface spiral winding has four elasticity dacron bodies, wear to be equipped with the wire along length direction in the elasticity dacron body, improve the fastness of radiation protection dacron silk, the wire surface is provided with polyester fiber, the polyester fiber surface is the radiation protection coating, be used for the radiation protection effect, the radiation protection coating surface is provided with the cotton silk layer, reduce the friction loss of radiation protection coating, in order to avoid losing the radiation protection effect, in addition, radiation protection dacron cloth still is provided with first waterproof layer and second waterproof layer and is used for the cloth is waterproof, fire-retardant layer is used for the cloth fire prevention, therefore, the utility model discloses a dacron cloth has very stable radiation protection effect, the structure is firm, still has waterproof, the effect of preventing fires.
CN105415810A discloses a coated fabric, which comprises a fabric, wherein the front side of the fabric is provided with a printed pattern layer, a waterproof and sun-proof coating is arranged on the printed pattern layer, the back side of the fabric is provided with a flame-retardant and breathable PU layer, a hole core structure is arranged in the flame-retardant and breathable PU layer, and the hole core structure is composed of flame-retardant and breathable fibers. According to the invention, the cloth has the waterproof and sun-proof performance through the waterproof and sun-proof coating, the printed pattern layer enables the cloth to have the characteristic of a printed pattern, and most importantly, the hole core structure of the flame-retardant breathable fiber is effectively added into the PU layer, so that the multifunctional PU cloth has good breathability while multiple functions are realized, and the practicability of the cloth is greatly improved.
CN205767803U provides a coated fabric, and belongs to the technical field of textiles. It has solved the problem that current coated fabric caused waste easily. This coated cloth includes by last, two-layer fabric passes through muscle yarn textile form's basic unit down, be equipped with fire-retardant layer on the downside of basic unit, be equipped with ultraviolet resistance fibrous layer on the upside of basic unit, be equipped with the articulamentum on the ultraviolet resistance fibrous layer, and the downside of articulamentum pastes mutually with ultraviolet resistance fibrous layer's the upside, the middle part of the upside of ultraviolet resistance fibrous layer is equipped with the recess, be equipped with public magic subsides in the recess, and public magic subsides pass through the hot melt adhesive and fix in the recess, be fixed with female magic subsides on the downside of articulamentum, the articulamentum is fixed mutually with ultraviolet resistance fibrous layer through the laminating of public magic subsides and female magic subsides, be printed with the pattern on the last side of articulamentum, and the last side of this articulamentum has nanometer waterproof coating still to coat. The coated fabric has the advantage of reducing waste.
With the development of textile industry science and technology and the improvement of living standard of people, coated fabrics with various purposes are more and more, especially household coated textiles and coated household covers are more and more favored by people. However, the coated fabrics prepared by the prior art and the patents are easy to age, so that the coating falls off, and the appearance and the using effect are influenced.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of an anti-aging PU coating polyester fabric furniture cover.
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 3-7 parts of heavy calcium carbonate powder, 5-9 parts of silicon dioxide powder and 4-10 parts of glass fiber powder in a mixer, and mixing at high speed for 10-40min to obtain a mixed solid filler for later use; then adding 100-120 parts of PU resin and 3.1-6.5 parts of isocyanate grafted polyether ether ketone into 28-42 parts of dimethylacetamide, heating to 60-90 ℃, uniformly mixing, adding 0.05-0.4 part of ethylene bis-stearamide and 0.1-0.3 part of hexadecanol, continuously stirring uniformly, adding mixed solid filler into the mixture, continuously mixing for 30-60min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU paint on the treated base fabric, wherein the coating weight of the paint is 50-80g/m < 2 >, and then baking for 5-18min at the temperature of 80-100 ℃; taking out, performing secondary coating on the PU coating while the PU coating is hot, wherein the coating weight of the coating is 10-60g/m < 2 >, baking the PU coating to be completely dry at the temperature of 100-120 ℃, and naturally cooling the PU coating to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The preparation method of the isocyanate grafted polyether-ether-ketone comprises the following steps:
the isocyanate grafted polyether-ether-ketone is sulfonated by chlorosulfonic acid to obtain the sulfonated polyether-ether-ketone, and part of the reaction mechanism is as follows:
the isocyanate grafted polyether-ether-ketone uses diallylamine to alkalize the sulfonated polyether-ether-ketone, so as to obtain polyether-ether-ketone resin containing two double structures; part of the reaction mechanism is shown as follows:
the isocyanate grafted polyether-ether-ketone is prepared by carrying out hydrosilylation reaction on a polyether-ether-ketone resin containing a bis-component and methacryloyl isocyanate and 1, 3-tetramethyldisiloxane, wherein part of reaction mechanism is as follows:
the isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 35-47 parts of polyether-ether-ketone resin particles, 100-120 parts of chlorosulfonic acid and 80-110 parts of concentrated sulfuric acid into a reaction kettle according to the mass parts, controlling the temperature to be 0-10 ℃, uniformly stirring, reacting for 10-18h, pouring a reaction system into ice water for precipitation, filtering, washing to be neutral, and vacuum-drying at 60-80 ℃ for 6-10h; uniformly mixing the obtained solid with 280-350 parts of isopropanol, controlling the temperature to be 60-70 ℃, reacting for 10-15h, then adding 12-25 parts of diallylamine, and continuing to react for 1-5h to obtain an intermediate product 1;
then adding 2-8 parts of methacryloyl isocyanate, 0.06-0.4 part of chloroplatinic acid and 10-18 parts of 1, 3-tetramethyldisiloxane, introducing nitrogen, stirring and reacting at 60-78 ℃ for 60-120min, evaporating to remove isopropanol after the reaction is finished, drying, and crushing the obtained solid to obtain the isocyanate grafted polyether ether ketone.
And the nominal diameter of the precursor of the glass fiber powder in the first step is 11-20 mu m.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Compared with products on the market at present, the PU coating polyester fabric furniture cover prepared by the method has excellent ageing resistance.
Drawings
FIG. 1 shows a schematic view of aFourier infrared spectrum of isocyanate grafted polyetheretherketone prepared for example 1.
The presence of a stretching absorption peak of a benzene ring near 1607/1495/1423cm-1, a stretching absorption peak of ketone near 1651cm-1, an absorption peak of an ether bond of a phenyl ether near 1271cm-1, and an antisymmetric stretching absorption peak of a sulfonic acid group near 1195cm-1 indicates that polyether ether ketone participates in the reaction; an absorption peak of a carbon-nitrogen single bond exists near 1030cm < -1 >, which indicates that diallylamine participates in the reaction; the antisymmetric stretching absorption peak of silicon oxygen exists near 1113cm-1, and the stretching absorption peak of silicon carbon exists near 685cm-1, which shows that 1, 3-tetramethyldisiloxane participates in the reaction; an absorption peak of carbon-oxygen single bond exists near 1080cm < -1 >, which indicates that the isopropanol participates in the reaction; an absorption peak of an amide carbon-nitrogen single bond at a value near 1315cm-1, an absorption peak of an isocyanato carbon-nitrogen double bond at a value near 2277cm-1, and an absorption peak of an isocyanatocarbonyl group at a value near 1779cm-1 indicates that methacryloyl isocyanate is involved in the reaction.
Detailed Description
The invention is further illustrated by the following specific examples:
example 1
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 3g of heavy calcium carbonate powder, 5g of silicon dioxide powder and 4g of glass fiber powder in a mixer, and mixing at high speed for 10min to obtain a mixed solid filler for later use; then adding 100g of PU resin and 3.1g of isocyanate grafted polyether ether ketone into 28g of dimethylacetamide, heating to 60 ℃, uniformly mixing, adding 0.05g of ethylene bis stearamide and 0.1g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 30min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU coating on the treated base fabric, wherein the coating weight of the coating is 50g/m < 2 >, and then baking for 18min at the temperature of 80 ℃; taking out and then carrying out secondary coating on the PU coating while the coating is hot, wherein the coating weight of the coating is 10g/m < 2 >, then baking the coating to be completely dry in an environment of 100 ℃, and naturally cooling the coating to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 35g of polyether-ether-ketone resin particles, 100g of chlorosulfonic acid and 80g of concentrated sulfuric acid into a reaction kettle, controlling the temperature to be 0 ℃, uniformly stirring, reacting for 10 hours, pouring a reaction system into ice water for precipitation, filtering, washing to be neutral, and drying in vacuum at 60 ℃ for 6 hours; uniformly mixing the obtained solid with 280g of isopropanol, controlling the temperature to be 60 ℃, reacting for 10 hours, then adding 12g of diallylamine, and continuing to react for 1 hour to obtain an intermediate product 1;
then 2g of methacryloyl isocyanate, 0.06g of chloroplatinic acid and 10g of 1, 3-tetramethyldisiloxane are added, nitrogen is introduced, the mixture is stirred and reacted for 60min at the temperature of 60 ℃, isopropanol is evaporated and removed after the reaction is finished, the obtained solid is dried and crushed, and the isocyanate grafted polyether ether ketone is obtained.
And the nominal diameter of the protofilament of the glass fiber powder in the step one is 11 microns.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Example 2
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 5g of heavy calcium carbonate powder, 7g of silicon dioxide powder and 6g of glass fiber powder in a mixer, and mixing at high speed for 20min to obtain a mixed solid filler for later use; then adding 110g of PU resin and 4g of isocyanate grafted polyether ether ketone into 32g of dimethylacetamide, heating to 70 ℃, uniformly mixing, adding 0.2g of ethylene bis stearamide and 0.2g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 45min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU coating on the treated base fabric, wherein the coating weight of the coating is 60g/m < 2 >, and then baking for 10min at the temperature of 90 ℃; taking out and then carrying out secondary coating on the PU coating while the PU coating is hot, wherein the coating weight of the coating is 30g/m < 2 >, then baking the PU coating to be completely dry in the environment of 110 ℃, and naturally cooling the PU coating to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 39g of polyether-ether-ketone resin particles, 110g of chlorosulfonic acid and 90g of concentrated sulfuric acid into a reaction kettle, controlling the temperature to be 5 ℃, uniformly stirring, reacting for 14 hours, pouring a reaction system into ice water, precipitating, filtering, washing to be neutral, and vacuum-drying at 70 ℃ for 8 hours; uniformly mixing the obtained solid with 290g of isopropanol, controlling the temperature to 64 ℃, reacting for 12 hours, then adding 18g of diallylamine, and continuing to react for 3 hours to obtain an intermediate product 1;
then 5g of methacryloyl isocyanate, 0.09g of chloroplatinic acid and 15g of 1, 3-tetramethyldisiloxane are added, nitrogen is introduced, the mixture is stirred and reacted for 90min at 70 ℃, isopropanol is evaporated and removed after the reaction is finished, the obtained solid is dried and crushed, and the isocyanate grafted polyether ether ketone is obtained.
And the nominal diameter of the protofilament of the glass fiber powder in the step one is 15 mu m.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Example 3
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 7g of heavy calcium carbonate powder, 9g of silicon dioxide powder and 10g of glass fiber powder in a mixer, and mixing at high speed for 40min to obtain a mixed solid filler for later use; then adding 120g of PU resin and 6.5g of isocyanate grafted polyether ether ketone into 42g of dimethylacetamide, heating to 90 ℃, uniformly mixing, adding 0.4g of ethylene bis stearamide and 0.3g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 60min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU paint on the treated base fabric, wherein the coating weight of the paint is 80g/m < 2 >, and then baking for 18min at the temperature of 100 ℃; taking out and then carrying out secondary coating on the PU coating while the PU coating is hot, wherein the coating weight of the coating is 60g/m < 2 >, then baking the PU coating to be completely dry in the environment of 120 ℃, and naturally cooling the PU coating to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 47g of polyether-ether-ketone resin particles, 120g of chlorosulfonic acid and 110g of concentrated sulfuric acid into a reaction kettle, controlling the temperature to 10 ℃, uniformly stirring, reacting for 18 hours, pouring a reaction system into ice water for precipitation, filtering, washing to be neutral, and drying in vacuum at 80 ℃ for 10 hours; uniformly mixing the obtained solid with 350g of isopropanol, controlling the temperature to be 70 ℃, reacting for 15h, then adding 25g of diallylamine, and continuing to react for 5h to obtain an intermediate product 1;
then adding 8g of methacryloyl isocyanate, 0.4g of chloroplatinic acid and 18g of 1, 3-tetramethyldisiloxane, introducing nitrogen, stirring and reacting at 78 ℃ for 120min, evaporating to remove isopropanol after the reaction is finished, drying, and crushing the obtained solid to obtain the isocyanate-grafted polyether ether ketone.
And the nominal diameter of the protofilament of the glass fiber powder in the step one is 20 microns.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Example 4
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 7g of heavy calcium carbonate powder, 9g of silicon dioxide powder and 10g of glass fiber powder in a mixer, and mixing at high speed for 40min to obtain a mixed solid filler for later use; then adding 100g of PU resin and 6.5g of isocyanate grafted polyether ether ketone into 28g of dimethylacetamide, heating to 90 ℃, uniformly mixing, adding 0.4g of ethylene bis stearamide and 0.3g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 60min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU coating on the treated base fabric, wherein the coating weight of the coating is 80g/m < 2 >, and then baking for 18min at the temperature of 100 ℃; taking out and then carrying out secondary coating on the PU coating while the PU coating is hot, wherein the coating weight of the coating is 60g/m < 2 >, then baking the PU coating to be completely dry in the environment of 120 ℃, and naturally cooling the PU coating to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 35g of polyether-ether-ketone resin particles, 120g of chlorosulfonic acid and 80g of concentrated sulfuric acid into a reaction kettle, controlling the temperature to 10 ℃, uniformly stirring, reacting for 10 hours, pouring a reaction system into ice water, precipitating, filtering, washing to be neutral, and vacuum-drying for 6 hours at 80 ℃; uniformly mixing the obtained solid with 350g of isopropanol, controlling the temperature to be 60 ℃, reacting for 10 hours, then adding 25g of diallylamine, and continuing to react for 1 hour to obtain an intermediate product 1;
then adding 2g of methacryloyl isocyanate, 0.4g of chloroplatinic acid and 10g of 1, 3-tetramethyldisiloxane, introducing nitrogen, stirring and reacting at 78 ℃ for 60min, evaporating to remove isopropanol after the reaction is finished, drying, and crushing the obtained solid to obtain the isocyanate grafted polyether ether ketone.
And the nominal diameter of the protofilament of the glass fiber powder in the step one is 11 microns.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Comparative example 1
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 7g of heavy calcium carbonate powder, 9g of silicon dioxide powder and 10g of glass fiber powder in a mixer, and mixing at high speed for 40min to obtain a mixed solid filler for later use; then adding 100g of PU resin into 28g of dimethylacetamide, heating to 90 ℃, uniformly mixing, adding 0.4g of ethylene bis stearamide and 0.3g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 60min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU coating on the treated base fabric, wherein the coating weight of the coating is 80g/m < 2 >, and then baking for 18min at the temperature of 100 ℃; taking out the cloth and then carrying out secondary coating on the PU coating while the cloth is hot, wherein the coating weight of the coating is 60g/m < 2 >, then baking the cloth to be completely dry at the temperature of 120 ℃, and naturally cooling the cloth to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
And the nominal diameter of the precursor of the glass fiber powder in the first step is 11 mu m.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Comparative example 2
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 7g of heavy calcium carbonate powder, 9g of silicon dioxide powder and 10g of glass fiber powder in a mixer, and mixing at high speed for 40min to obtain a mixed solid filler for later use; then adding 100g of PU resin and 6.5g of grafted polyether ether ketone into 28g of dimethylacetamide, heating to 90 ℃, uniformly mixing, adding 0.4g of ethylene bis stearamide and 0.3g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 60min, and uniformly dispersing to obtain the PU coating; step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU paint on the treated base fabric, wherein the coating weight of the paint is 80g/m < 2 >, and then baking for 18min at the temperature of 100 ℃; taking out the cloth and then carrying out secondary coating on the PU coating while the cloth is hot, wherein the coating weight of the coating is 60g/m < 2 >, then baking the cloth to be completely dry at the temperature of 120 ℃, and naturally cooling the cloth to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 35g of polyether-ether-ketone resin particles, 100g of chlorosulfonic acid and 80g of concentrated sulfuric acid into a reaction kettle, controlling the temperature to be 0 ℃, uniformly stirring, reacting for 10 hours, pouring a reaction system into ice water for precipitation, filtering, washing to be neutral, and drying in vacuum at 60 ℃ for 6 hours; and uniformly mixing the obtained solid with 280g of isopropanol, controlling the temperature to be 60 ℃, reacting for 10 hours, then adding 12g of diallylamine, and continuing to react for 1 hour to obtain the grafted polyether-ether-ketone.
And the nominal diameter of the protofilament of the glass fiber powder in the step one is 11 microns.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
Comparative example 3
A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 3g of heavy calcium carbonate powder, 5g of silicon dioxide powder and 4g of glass fiber powder in a mixer, and mixing at high speed for 10min to obtain a mixed solid filler for later use; then adding 100g of PU resin and 3.1g of grafted polyether ether ketone into 28g of dimethylacetamide, heating to 60 ℃, uniformly mixing, adding 0.05g of ethylene bis stearamide and 0.1g of hexadecanol, continuously stirring uniformly, adding a mixed solid filler, continuously mixing for 30min, and uniformly dispersing to obtain the PU coating; step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU paint on the treated base fabric, wherein the coating weight of the paint is 50g/m < 2 >, and then baking for 18min at the temperature of 80 ℃; taking out the cloth and then carrying out secondary coating on the PU coating while the cloth is hot, wherein the coating weight of the coating is 10g/m < 2 >, then baking the cloth to be completely dry in an environment of 100 ℃, and naturally cooling the cloth to room temperature to obtain PU coating cloth;
step four, cutting: and processing the obtained PU coating cloth into a furniture cover to finish the preparation of the anti-aging PU coating polyester fabric furniture cover.
The isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 35g of polyether-ether-ketone resin particles, 100g of chlorosulfonic acid and 80g of concentrated sulfuric acid into a reaction kettle, controlling the temperature to 0 ℃, uniformly stirring, reacting for 10 hours, pouring a reaction system into ice water, precipitating, filtering, washing to be neutral, and vacuum-drying at 60 ℃ for 6 hours; uniformly mixing the obtained solid with 280g of isopropanol, controlling the temperature to be 60 ℃, reacting for 10 hours, then adding 12g of diallylamine, and continuing to react for 1 hour to obtain an intermediate product 1;
then adding 0.06g of chloroplatinic acid and 10g of 1, 3-tetramethyldisiloxane, introducing nitrogen, stirring and reacting at 60 ℃ for 60min, evaporating to remove isopropanol after the reaction is finished, drying, and crushing the obtained solid to obtain the grafted polyether-ether-ketone.
And the nominal diameter of the protofilament of the glass fiber powder in the step one is 11 microns.
And step two, the base cloth is terylene base cloth.
And step three, the primary coating is in a semi-drying state in the drying process.
T peel strength, using a tensile testing machine to test the T peel strength, and simultaneously carrying out 8h ultraviolet irradiation and 4h condensation alternately on sample bars according to the standard specification of ASTM G53-88, wherein the ultraviolet irradiation temperature is (60 +/-3) DEG C, the condensation temperature is controlled to be (50 +/-3) DEG C, the ultraviolet irradiation strength is 0.55W/m < 2 >, the test period is 14 days, taking out the sample bars, and using the tensile testing machine to test the T peel strength again, wherein the average value of six samples in the test area is measured; the higher the retention of T peel strength after aging, the better the aging resistance of the material.
The results of the T peel strength test on the samples of the above examples are as follows:
| number of | T Peel Strength (N/25 mm) | T Peel Strength holding ratio (%) |
| Example 1 | 32 | 96.4 |
| Example 2 | 37 | 97.2 |
| Example 3 | 38 | 98.1 |
| Example 4 | 34 | 96.8 |
| Comparative example 1 | 24 | 52.1 |
| Comparative example 2 | 29 | 87.6 |
| Comparative example 3 | 28 | 81.7 |
Claims (4)
1. A preparation method of an anti-aging PU coating polyester fabric furniture cover comprises the following steps:
step one, preparing a PU coating: placing 3-7 parts of heavy calcium carbonate powder, 5-9 parts of silicon dioxide powder and 4-10 parts of glass fiber powder in a mixer, and mixing at high speed for 10-40min to obtain a mixed solid filler for later use; then adding 100-120 parts of PU resin and 3.1-6.5 parts of isocyanate grafted polyether ether ketone into 28-42 parts of dimethylacetamide, heating to 60-90 ℃, uniformly mixing, adding 0.05-0.4 part of ethylene bis stearamide and 0.1-0.3 part of hexadecanol, continuously stirring uniformly, adding mixed solid filler, continuously mixing for 30-60min, and uniformly dispersing to obtain the PU coating;
step two, processing the base cloth: shearing and calendaring on the surface of the base cloth to remove fuzz on the surface of the base cloth;
step three, compounding the coating: performing primary coating of PU coating on the treated base fabric, wherein the coating weight of the coating is 50-80g/m < 2 >, and then baking for 5-18min at 80-100 ℃; taking out, carrying out secondary coating on the PU coating while the coating is hot, wherein the coating weight of the coating is 10-60g/m < 2 >, baking the coating to be completely dry at the temperature of 100-120 ℃, and naturally cooling the coating to room temperature to obtain PU coating cloth;
step four, cutting: processing the obtained PU coated fabric into a furniture cover to finish the preparation of the anti-aging PU coated polyester fabric furniture cover;
the isocyanate grafted polyether-ether-ketone is prepared by the following method:
adding 35-47 parts of polyether-ether-ketone resin particles, 100-120 parts of chlorosulfonic acid and 80-110 parts of concentrated sulfuric acid into a reaction kettle according to the mass parts, controlling the temperature to be 0-10 ℃, uniformly stirring, reacting for 10-18h, pouring a reaction system into ice water for precipitation, filtering, washing to be neutral, and vacuum-drying at 60-80 ℃ for 6-10h; uniformly mixing the obtained solid with 280-350 parts of isopropanol, controlling the temperature to be 60-70 ℃, reacting for 10-15h, then adding 12-25 parts of diallylamine, and continuing to react for 1-5h to obtain an intermediate product 1;
then adding 2-8 parts of methacryloyl isocyanate, 0.06-0.4 part of chloroplatinic acid and 10-18 parts of 1, 3-tetramethyldisiloxane, introducing nitrogen, stirring and reacting at 60-78 ℃ for 60-120min, evaporating to remove isopropanol after the reaction is finished, drying, and crushing the obtained solid to obtain the isocyanate grafted polyether ether ketone.
2. The method for preparing the anti-aging PU coating terylene cloth furniture cover according to claim 1, wherein the method comprises the following steps: the nominal diameter of the protofilament of the glass fiber powder in the step one is 11-20 μm.
3. The method for preparing the anti-aging PU coating terylene cloth furniture cover according to claim 1, wherein the method comprises the following steps: and step two, the base cloth is terylene base cloth.
4. The method for preparing the anti-aging PU coating terylene cloth furniture cover according to claim 1, wherein the method comprises the following steps: and step three, the primary coating is in a semi-drying state in the drying process.
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| CN103219532A (en) * | 2013-04-02 | 2013-07-24 | 清华大学深圳研究生院 | Sulfonated polyether ether ketone-based blend ion exchange membrane for flow battery, and preparation method thereof |
| CN105175991A (en) * | 2014-06-13 | 2015-12-23 | 黑龙江鑫达企业集团有限公司 | Preparation method of high strength polyether ether ketone composite material |
| CN108301223A (en) * | 2018-02-02 | 2018-07-20 | 海宁市华泰针织有限公司 | A kind of manufacture craft of Oilproof fabric |
| CN108547156A (en) * | 2018-03-05 | 2018-09-18 | 海宁美力针织有限公司 | A kind of yacht slip cover PU leather facing materials and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103219532A (en) * | 2013-04-02 | 2013-07-24 | 清华大学深圳研究生院 | Sulfonated polyether ether ketone-based blend ion exchange membrane for flow battery, and preparation method thereof |
| CN105175991A (en) * | 2014-06-13 | 2015-12-23 | 黑龙江鑫达企业集团有限公司 | Preparation method of high strength polyether ether ketone composite material |
| CN108301223A (en) * | 2018-02-02 | 2018-07-20 | 海宁市华泰针织有限公司 | A kind of manufacture craft of Oilproof fabric |
| CN108547156A (en) * | 2018-03-05 | 2018-09-18 | 海宁美力针织有限公司 | A kind of yacht slip cover PU leather facing materials and preparation method thereof |
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