CN103276631B - Environment-friendly bathroom compounded decorative paper and manufacturing method thereof - Google Patents

Environment-friendly bathroom compounded decorative paper and manufacturing method thereof Download PDF

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Publication number
CN103276631B
CN103276631B CN201310176144.8A CN201310176144A CN103276631B CN 103276631 B CN103276631 B CN 103276631B CN 201310176144 A CN201310176144 A CN 201310176144A CN 103276631 B CN103276631 B CN 103276631B
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paper
environment
melamine
sprayed coating
weight portion
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CN103276631A (en
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裴建川
吕妙玲
李梅
方旭
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Zhejiang A&F University ZAFU
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Zhejiang A&F University ZAFU
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Abstract

The invention relates to an environment-friendly bathroom compounded decorative paper and a manufacturing method thereof and aims at providing paper which has the characteristics of excellent water resistance, reeling capability for placement and suitability for outdoor use, and a method which has the characteristics of good product quality and simple manufacturing step. The technical scheme adopted by the invention is as follows: the environment-friendly bathroom compounded decorative paper comprises titanium white paper serving as a base body and is characterized in that the upper surface of the titanium powder paper are sequentially covered by an abrasionproof medium spraying coating, a printing ink layer, a melamine spraying coating and an acroleic acid coating layer. The manufacturing method of the environment-friendly bathroom compounded decorative paper is implemented through the following steps of: 1) modifying titanium powder paper; 2) printing ink on the abrasionproof medium spraying coating for 2-6 times so as to form the printing ink layer; 3) spraying melamine glue on the printing ink layer and then drying to form the melamine spraying coating; and 4) spraying waterborne acroleic acid emulsion on the melamine spraying layer and then drying at a temperature of 160-180 DEG C so as to form the acroleic acid coating layer, thus finishing the method.

Description

Environment-friendlybathroom bathroom composite decoration paper and manufacture method thereof
Technical field
The present invention relates to building materials bathroom field, in particular for facing paper and the manufacture method thereof of sanitaryware.
Background technology
Conventional decorative paper needs to make melamine plate by impregnation or with abrasion-proof paper by overlaying, and then in furniture and floor, uses (for outer plaque in wardrobe inner panel, desktop and kitchen cabinet plaque).The shortcoming existed is: more crisp frangible after impregnation, adds and has serious phenomenon of rupture man-hour; Can only keep flat store and can not be curling, plate plane its press-paste technique or shallow embossing technique can only be used for; And laminating processing can only be carried out or on wooden boards, overlay processing (compound can not be carried out with unsaturated polyester material) by impregnation on wooden boards, water resistance is not good enough, intermittent drizzles in the rainy season season in spring or at the larger country furniture of humidity and sheet material is easy mouldyly rots, be not suitable for being applied in bathroom and outdoor open space, more can not be used for outdoor.
Summary of the invention
The object of this invention is to provide a kind of environment-friendlybathroom bathroom composite decoration paper, this paper should have excellent, the rollable placement of water resistance, be applicable to the feature of outdoor application.
Another object of the present invention is to provide a kind of preparation method of bathroom composite decoration paper, and the method should have good product quality, the simple feature of making step.
Technical scheme provided by the invention is: a kind of environment-friendlybathroom bathroom composite decoration paper, comprises the titanium valve paper as matrix; It is characterized in that the upper surface of described titanium valve paper is covered with wear-resistant medium sprayed coating, printing ink layer, melamine sprayed coating and acrylic acid sprayed coating successively.
Described wear-resistant medium sprayed coating is starched by 40-60 weight portion thermosetting acrylic resin, 80-120 weight portion abrasion-resistant powder solid and 50-70 weight portion polytetrafluoroethylene (PTFE) wax and is mixed, and thickness is 2-20 micron.
Described melamine spray layer thickness is 2-20 micron.
Described acrylic acid spray layer thickness is 2-20 micron.
A manufacture method for environment-friendlybathroom bathroom composite decoration paper, carry out according to the following steps:
1) to the modification of titanium valve paper
To titanium valve paper spraying abrasion-proof medium, then dry process is to moisture≤5%, forms wear-resistant medium sprayed coating; Quantity for spray >=10gsm, baking temperature 160-180 DEG C;
Described wear-resistant medium, carries out mixed diluting by 40-60 weight portion thermosetting acrylic resin and water 1:1, and the abrasion-resistant powder and the stirring of 50-70 weight portion polytetrafluoroethylene (PTFE) wax slurry that then add 80-120 weight portion form;
2) on wear-resistant medium sprayed coating, print 2-6 time ink, form printing ink layer;
3) on printing ink layer, spray melamine glue, then dry at 100-160 DEG C of temperature and form melamine sprayed coating;
4) on melamine sprayed coating, spray aqueous acrylic emulsion, then dry at 160-180 DEG C of temperature and form acrylic acid coated layer, namely complete.
In described step 3), the solid content of melamine glue is 30-70%, viscosity 14-25 second, pH value 8-9.5.
Aqueous acrylic emulsion in described step 4) is mixed by the acrylic emulsion of 2.5:1 and water, and its solid content is 20-60%, and viscosity is 16-18 second.
In described step 1), titanium valve paper spraying abrasion-proof medium is carried out on flush coater.
The invention has the beneficial effects as follows: because this bathroom composite decoration paper mainly adopts acrylic acid process, therefore, it is possible to carry out effective compound with unsaturated polyester material, make various plane or curved surface ornament materials; And water resistance is excellent, intermittent drizzles in the rainy season season in spring or also can not mouldyly rot in the place that humidity is larger, be applicable to being applied in bathroom and outdoor open space completely.In addition, due to flexible not embrittlement, can to keep flat and can be curling, and then give and to store and transport brings great convenience.Bathroom decorative panel, toilet wallboard, exterior decoration plate and other various exquisite decoration boards can be widely used as.
Detailed description of the invention
Further illustrate below in conjunction with specific embodiment.
Bathroom composite decoration paper belongs to water-based printing environment-friendly products, has very large difference with the facing paper of routine; This paper bag draws together following raw materials and weight portion thereof:
1, abrasion-proof paper: grammes per square metre 70-80g/m is decorated 2;
2, wear-resistant medium: starched 50-70 weight portion formed by thermosetting acrylic resin 40-60 weight portion, abrasion-resistant powder (α-crystallization SiO2) 80-120 weight portion, polytetrafluoroethylene (PTFE) wax;
3, ink; Recommend to adopt aqueous high-temperature-resistant ink, solid content 18-25%, heatproof 200 DEG C, sun-proof (blue wool value) >=6 grades;
4, melamine glue, solid content: 30-70%, with water adjustment viscosity 14-25 second (being coated with 4 glasss), with PH adjusting agent adjustment pH value 8-9.5;
5, aqueous acrylic emulsion: solid content 20-60%, aqueous acrylic emulsion and water ratio are 2.5:1, and viscosity controls 16-18 second (being coated with 4 glasss); Dispersion must be carried out all even under homogenizer.
Also can spray aqueous high-temperature-resistant parting compound adhesive (non-silicon class is release) on acrylic acid coated layer, and can a coated PET protection film.Fit up rear PET protection film and need removing.
Bathroom composite decoration paper is produced and is comprised following detailed step:
1, to the requirement of paper: bathroom composite decoration paper provided by the invention, need at pressure 150KG/ ㎝ when following process 2, under temperature 130-180 DEG C of mold pressing, carry out laminating 200-400 second; So the dry wet tensile strength of paper is necessarily eager to excel.Common facing paper, gum dipped paper, all wood paper and strengthening paper all can have serious phenomenon of rupture under this technique.Therefore, when producing titanium valve paper body paper, from the raw fiber of paper, the selected upper pulling force just should emphasizing paper of the kind of fiber and the proportioning of fiber is just determined;
1), the examination requirements of paper:
Quantitatively (gsm): 70-80;
Air permeability (s/hml) :≤20;
Permeability (S) :≤6;
Lateral expansion rate (%): when 2.0-2.5%(particular/special requirement is mainly considered to print, size is to version.
Longitudinal dilatation rate (%): nothing;
PH value: 6.5-7;
Dry tensile strength (N/15mm): >=28;
Wet tensile strength (N/15mm): >=7;
To titanium valve paper require performance higher, kinds of fibers used and fibre furnish extremely important.
2, paper modification: the titanium valve paper meeting examination requirements, is placed on flush coater and carries out spray treatment.Key step is as follows:
2.1) process of wear-resistant medium: thermosetting acrylic resin first dilutes with 1:1 ratio with water, then adds abrasion-resistant powder and polytetrafluoroethylene (PTFE) wax slurry high-speed stirred.
2.2) on flush coater to paper spraying abrasion-proof medium, baking temperature 160-180 DEG C, coating weight 10gsm, moisture≤5%.
3, printing-ink: recommend to adopt water-based high temperature ink;
On titanium valve paper, use high temperature ink carries out the printing of 3-4 look;
First look viscosity 14-16 second;
Second look viscosity 14.5-16.5 second;
3rd look viscosity 15-17 second;
4th look viscosity 16-18 second
After printing above, rolling is for subsequent use.
4, carry out being coated with (recommending to be coated with by 4 look coating machines) after printing:
First carries out the coating of melamine glue, and viscosity controls in 15-18 second, drying tunnel bake out temperature 100-160 DEG C, and after dry, coating grammes per square metre reaches 8-14g/m 2, the speed of a motor vehicle suitably promotes according to degree of drying;
Second carries out water soluble acrylic acid coating on coating machine, pH value 8-9.5, and bake out temperature controls at 160-180 DEG C, and coating grammes per square metre reaches 3-4g/m 2;
3rd road does parting compound adhesive process at coating machine, bake out temperature 160-180 DEG C, coating weight 1-5g/m 2;
Finally (the 3rd road) does Combined Processing with PET, and Main Function is the superficial layer after protection coating, PET thickness 10-15 micron;
Quality testing, qualifiedly dispatches from the factory.
Embodiment 1
The manufacture method of bath composite decoration paper, carry out according to the following steps:
1) to titanium valve paper spraying abrasion-proof medium, then dry process is to moisture≤5%, forms wear-resistant medium sprayed coating; Quantity for spray >=10gsm, baking temperature 170 DEG C;
Described wear-resistant medium, carries out mixed diluting by 50 weight portion thermosetting acrylic resins and water 1:1, and the abrasion-resistant powder and the stirring of 60 weight portion polytetrafluoroethylene (PTFE) waxes slurry that then add 100 weight portions form;
2) on wear-resistant medium sprayed coating, print 4 times ink, form printing ink layer;
3) on printing ink layer, spray melamine glue, then dry at 100 DEG C of temperature and form melamine sprayed coating; The solid content of melamine glue is 70%, viscosity 25 seconds, pH value 9.5;
4) on melamine sprayed coating, spray aqueous acrylic emulsion, aqueous acrylic emulsion is mixed by the acrylic emulsion of 2.5:1 and water, and its solid content is 60%, and viscosity is 18 seconds;
Then dry at 160 DEG C of temperature and form acrylic acid coated layer, namely complete.
Embodiment 2
1) to titanium valve paper spraying abrasion-proof medium, then dry process is to moisture≤5%, forms wear-resistant medium sprayed coating; Quantity for spray >=10gsm, baking temperature 160 DEG C;
Described wear-resistant medium, carries out mixed diluting by 60 weight portion thermosetting acrylic resins and water 1:1, and the abrasion-resistant powder and the stirring of 70 weight portion polytetrafluoroethylene (PTFE) waxes slurry that then add 80 weight portions form;
2) on wear-resistant medium sprayed coating, print 5 times ink, form printing ink layer;
3) on printing ink layer, spray melamine glue, then dry at 130 DEG C of temperature and form melamine sprayed coating; The solid content of melamine glue is 50%, viscosity 20 seconds, pH value 8.5;
4) on melamine sprayed coating, aqueous acrylic emulsion is sprayed; Aqueous acrylic emulsion is mixed by the acrylic emulsion of 2.5:1 and water, and its solid content is 40%, and viscosity is 17 seconds;
Then dry at 180 DEG C of temperature and form acrylic acid coated layer, namely complete.
Embodiment 3
1) to titanium valve paper spraying abrasion-proof medium, then dry process is to moisture≤5%, forms wear-resistant medium sprayed coating; Quantity for spray >=10gsm, baking temperature 180 DEG C;
Described wear-resistant medium, carries out mixed diluting by 40 weight portion thermosetting acrylic resins and water 1:1, and the abrasion-resistant powder and the stirring of 50 weight portion polytetrafluoroethylene (PTFE) waxes slurry that then add 120 weight portions form;
2) on wear-resistant medium sprayed coating, print 6 times ink, form printing ink layer;
3) on printing ink layer, spray melamine glue, then dry at 160 DEG C of temperature and form melamine sprayed coating; The solid content of melamine glue is 30%, viscosity 14 seconds, pH value 8;
4) on melamine sprayed coating, spray aqueous acrylic emulsion, aqueous acrylic emulsion is mixed by the acrylic emulsion of 2.5:1 and water, and its solid content is 20%, and viscosity is 16 seconds;
Then dry at 170 DEG C of temperature and form acrylic acid coated layer, namely complete.
The product that above-described embodiment obtains has the following advantages:
1, after testing, in 80 DEG C of water, soak 30 days without bubbling and infiltration phenomenon, heatproof can reach 200 DEG C, outdoor exposes to the sun and rain >=after 150 days without mouldy and putrefactive phenomenon.
2, environmental protection: without the content of formaldehyde in sheet material adhesive.
3, can deposit by reel, change the shortcomings such as the frangible moisture-sensitive sticky paper of traditional gum dipped paper.
4, be not afraid of high temperature for open space and expose to the sun and rain.
5, can use on bathroom and building materials sheet material.
Relatively: traditional gum dipped paper is in use frangible, meeting high-temperature steel plate has serious haftplatte phenomenon, and holds in sheeting process and can't stand pressure in steel plate, produces serious cracked phenomenon.
Subsequent technique is introduced:
Bathroom composite decoration paper provided by the invention, adopts high temperature attaching process and unsaturated polyester compound, Gu namely consolidate → liquid → pressing process (being suitable for High Temperature High Pressure).
Equipment complex: lower plate is minute surface chromium plating steel plate, upper strata is mould (plane or curve mold), by the composite surface of composite sheet (i.e. bathroom composite decoration paper) to mirror steel plate, reverse side upward, the unsaturated polyester block of solid is placed on above composite sheet after weighing, closed upper/lower die, make unsaturated polyester block be liquid by solid conversion by the high-temperature pressurizing of mould and make uniform liquid cloth and paper surface by inner pressurization, warm-up time is 4 minutes, unsaturated polyester is made to carry out crosslinked reflecting into solid, unsaturated polyester makes finished product (cardboard) after reverse side of paper infiltrates paper fibre inside.Finally finished product (cardboard) and unsaturated polyester sheet material are carried out high temperature compound.

Claims (7)

1. an environment-friendlybathroom bathroom composite decoration paper, comprises the titanium valve paper as matrix; It is characterized in that the upper surface of described titanium valve paper is covered with wear-resistant medium sprayed coating, printing ink layer, melamine sprayed coating and acrylic acid sprayed coating successively;
Described wear-resistant medium sprayed coating is starched by 40-60 weight portion thermosetting acrylic resin, 80-120 weight portion abrasion-resistant powder solid and 50-70 weight portion polytetrafluoroethylene (PTFE) wax and is mixed, and thickness is 2-20 micron.
2. environment-friendlybathroom bathroom composite decoration paper according to claim 1, is characterized in that: described melamine spray layer thickness is 2-20 micron.
3. environment-friendlybathroom bathroom composite decoration paper according to claim 2, is characterized in that: described acrylic acid spray layer thickness is 2-20 micron.
4. a manufacture method for environment-friendlybathroom bathroom composite decoration paper, carry out according to the following steps:
1) to the modification of titanium valve paper
To titanium valve paper spraying abrasion-proof medium, then dry process is to moisture≤5%, forms wear-resistant medium sprayed coating; Quantity for spray >=10gsm, baking temperature 160-180 DEG C;
Described wear-resistant medium, carries out mixed diluting by 40-60 weight portion thermosetting acrylic resin and water 1:1, and the abrasion-resistant powder and the stirring of 50-70 weight portion polytetrafluoroethylene (PTFE) wax slurry that then add 80-120 weight portion form;
2) on wear-resistant medium sprayed coating, print 2-6 time ink, form printing ink layer;
3) on printing ink layer, spray melamine glue, then dry at 100-160 DEG C of temperature and form melamine sprayed coating;
4) on melamine sprayed coating, spray aqueous acrylic emulsion, then dry at 160-180 DEG C of temperature and form acrylic acid coated layer, namely complete.
5. the manufacture method of environment-friendlybathroom bathroom composite decoration paper according to claim 4, is characterized in that: described step 3) in the solid content of melamine glue be 30-70%, viscosity 14-25 second, pH value 8-9.5.
6. the manufacture method of environment-friendlybathroom bathroom composite decoration paper according to claim 5, it is characterized in that: described step 4) in aqueous acrylic emulsion mixed by the acrylic emulsion of 2.5:1 and water, its solid content is 20-60%, and viscosity is 16-18 second.
7. the manufacture method of environment-friendlybathroom bathroom composite decoration paper according to claim 6, is characterized in that: described step 1) in titanium valve paper spraying abrasion-proof medium is carried out on flush coater.
CN201310176144.8A 2013-05-10 2013-05-10 Environment-friendly bathroom compounded decorative paper and manufacturing method thereof Active CN103276631B (en)

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Publication number Priority date Publication date Assignee Title
CN103772730B (en) * 2014-01-28 2016-04-27 浙江盛龙装饰材料有限公司 Building materials and ornaments film production method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001003295A (en) * 1999-06-21 2001-01-09 Chiyoda Gravure Corp Production of decorative paper
CN101403207A (en) * 2008-11-11 2009-04-08 乐山吉象地板制品有限公司 Production method of abrasion-proof decorating paper
CN102561104A (en) * 2012-02-24 2012-07-11 浙江科技学院 Wear-resistant liquid decorative paper and production method thereof
CN102877380A (en) * 2012-10-22 2013-01-16 常州卫星装饰材料有限公司 Melamine impregnated paper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001003295A (en) * 1999-06-21 2001-01-09 Chiyoda Gravure Corp Production of decorative paper
CN101403207A (en) * 2008-11-11 2009-04-08 乐山吉象地板制品有限公司 Production method of abrasion-proof decorating paper
CN102561104A (en) * 2012-02-24 2012-07-11 浙江科技学院 Wear-resistant liquid decorative paper and production method thereof
CN102877380A (en) * 2012-10-22 2013-01-16 常州卫星装饰材料有限公司 Melamine impregnated paper

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