CN105220570A - The production method of the ecological impregnated paper of a kind of science and technology - Google Patents
The production method of the ecological impregnated paper of a kind of science and technology Download PDFInfo
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Abstract
The invention discloses the production method of the ecological impregnated paper of a kind of science and technology.The method according to preparing urea-formaldehyde glue, prepare triamine glue, single-steeping, first drying, coating, double-steeping, secondary drying, cutting, inspection, packaging, warehouse-in step carry out successively, the ecological impregnated paper of the science and technology adopting method of the present invention to produce, wooden skin can be replaced completely to make for the veneer of ecological board, eliminate the harmful effect using wooden skin to bring in family's process of assembling, improve the total quality level of ecological board.The impregnated paper prepared with traditional urea-formaldehyde glue and triamine glue is compared, its shock resistance, anti-wear performance are high, free formaldehyde content is low, ecological impregnated paper is smooth, glue is evenly distributed, can realize hiding completely to plate grain, eliminate and reveal the exact details and carbonization phenomenon, improve product percent of pass and service life.
Description
Technical field
The present invention relates to a kind of production method, specifically relate to the production method of the ecological impregnated paper of a kind of science and technology.
Background technology
At present, the ecological board that adopts of having furniture made to order in house ornamentation market carries out processing and fabricating as main material more, and ecological board veneer uses wooden skin to improve flatness and the covering effect on surface, and the Integral decoration effect of wooden skin to sheet material plays very crucial effect.Due to the natural characteristic of timber, wooden skin also exists some defects being difficult to overcome, and lumber fibre only has pulling force in arboreal growth direction (longitudinal direction), does not laterally almost have pulling force, causes in use, there will be the situation of sheet material longitudinal cracking.Secondly the depression on lumber fibre surface self, is overlaying in process, there will be local and overlays unreal, and show as the carbonization of plate face, affect the selection of plate face pattern, can only select light colour pattern, can not select dark colour, cause pattern to select to be limited to.Further, due to wooden skin self scar knot and black line be difficult to hide completely and capillary restriction, overlay in process and occur reveal the exact details phenomenon and surface irregularity, effects on surface aesthetic has a significant impact, and brings bad result of use to house ornamentation.In the production of this external wooden skin, also to use timber in a large number, sizable adverse effect and waste are all produced to the ecological environment of country and the forest reserves.
Along with people improve constantly the requirement of quality of the life, higher quality requirements is had to fitment material for family, the quality of ecological ornamental plate is badly in need of improving, and wooden cortex amount is the key of oil recovery enhancement, the present invention is exactly the defect for wooden skin, by research dipping method, produce a kind of scientific and technological ecological impregnated paper, replace wooden skin completely, to eliminate the bad defect of wooden skin, improve the total quality level of ecological board.
Summary of the invention
For problems of the prior art, the invention provides the production method of the ecological impregnated paper of a kind of science and technology.The product that the method obtains can replace wooden skin to make for the veneer of ecological board completely, eliminates the harmful effect using wooden skin to bring in family's process of assembling, improves the total quality level of ecological board.
The present invention is by the following technical solutions:
A production method for the ecological impregnated paper of science and technology, it is characterized in that, it comprises the following steps:
(1) prepare urea-formaldehyde glue: in reactor, drop into 2500 kilograms, formaldehyde, add promoter 15 kilograms and be 7-8 with sodium hydroxide solution adjust ph, stop heating after being then heated to 86-87 DEG C, be incubated 20min; Point to add the formic acid adjust ph of 20% for three times to 4-4.6, the time interval is 5-10min, temperature rises to 93-96 DEG C automatically, after about 90 minutes, glue is put into 35 DEG C of water and detect cloud point, occur that Bai Wushi adds promoter 35 kilograms again, then be start cooling after 5-8 by NaOH adjust ph, after temperature is down to 60 DEG C, add 550 kilograms, urea, 350 kilograms, water, then cool to 35 DEG C and get final product;
(2) triamine glue is prepared: drop into 1000 kilograms, formaldehyde, 500 kilograms, water, with adding modifier 70 kilograms after caustic soda adjust pH to 9.5, melamine 775 kilograms, then heat temperature raising; Be warmed up to 92-93 DEG C, stop heating up, be incubated and reach 1:1.3 to the water-soluble ratio of glue, be cooled to 40 DEG C and get final product at once;
(3) single-steeping: body paper is immersed in glue completely, hardening time 10min, procuring degree is 40-50%;
(4) first drying: the hot-air oven of the body paper after single-steeping by 130 DEG C ~ 135 DEG C is dried 60 ~ 70 seconds, makes the single-steeping glue volatile content in impregnated carrier adjust to 12% ~ 14%;
(5) be coated with: use the triamine glue obtained by step (4) to be uniformly coated on impregnated carrier tow sides, hardening time 6min, procuring degree is at 35-40%;
(6) secondary drying: by the hot-air oven baking 5-7min of the impregnated carrier after coating by 135 ~ 145 DEG C, after drying, the content of volatile matter is 7.5%;
(7) secondary drying is down to the impregnated carrier after room temperature and carries out cutting, inspection, packaging, warehouse-in according to specification.
In above-mentioned production method, in described step (1), promoter is polystyrene: melamine: 1,2-methylimidazole: sodium alkyl benzene sulfonate is made according to the ratio of 15:20:3:0.3.
In above-mentioned production method, in described step (4), modifier is zinc sulfate: hexa: hydroxypropyl methylcellulose: polyvinyl alcohol: hydroxyl-terminated injecting two methyl siloxane is made according to the ratio of 12.5:1:75:250:25.
Compared with prior art, the invention has the beneficial effects as follows:
The present invention adopts exclusive glue formula, impregnated resin adopts urea-formaldehyde glue, add by polystyrene, melamine, 1 in its formula, the promoter that 2-methylimidazole, sodium alkyl benzene sulfonate 4 kinds of one-tenth are grouped into, the homogeneous impregnation of each component synergy abundant guarantee glue, infiltration, film forming, add adhesive strength, shorten hardening time, improve the resistance to water of product, toughness and ageing resistace.Coating process in production method of the present invention adopts special triamine glue, adopt with zinc sulfate in its formula, hexa, hydroxypropyl methylcellulose, polyvinyl alcohol, the modifier that hydroxyl-terminated injecting two methyl siloxane 5 kinds of one-tenth are grouped into, due to hexa wherein, hydroxypropyl methylcellulose, polyvinyl alcohol, hydroxyl-terminated injecting two methyl siloxane can with formaldehyde and melamine hydroxymethyl derivative generation chemical reaction, resin structure can be changed, crosslink density is declined, fragility reduces, toughness increases, and the conbined usage of zinc sulfate and hydroxyl-terminated injecting two methyl siloxane significantly can increase the stability of triamine glue, its stability under high or low temperature environment is high, hydroxyl and amino can with free formaldehyde reactions simultaneously, and reduce the content of free formaldehyde, time thus, products obtained therefrom free formaldehyde content is low, enhancing ring guaranteed cost, impact resistance strengthens, and covering power is high, anti-aging, does not ftracture.In addition, the present invention, by corresponding impregnation technology parameter optimization, ensures that the smooth of ecological impregnated paper and glue are evenly distributed, to realize the covering to plate grain, elimination is revealed the exact details and carbonization phenomenon, expand the selection face of ecological board pattern, adjustment impregnated paper stress, promotes impact resistance intensity, produce brand-new ornament materials, to realize the alternative renewal to existing product, eliminate defect, improving performance.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.
Embodiment 1
A production method for the ecological impregnated paper of science and technology, it comprises the following steps:
(1) urea-formaldehyde glue is prepared: in reactor, drop into 2500 kilograms, formaldehyde, add by polystyrene: melamine: 1,2-methylimidazole: the promoter 15 kilograms that sodium alkyl benzene sulfonate is made according to the ratio of 15:20:3:0.3 be 7.2 by sodium hydroxide solution adjust ph, then heating is stopped after being heated to 86-87 DEG C, insulation 20min; Divide the formic acid adjust ph to 4 adding 20% for three times, the time interval is 5min, temperature rises to 93-96 DEG C automatically, after about 90 minutes, glue is put into 35 DEG C of water and detect cloud point, occur that Bai Wushi adds above-mentioned promoter 35 kilograms again, then be start cooling after 5 by NaOH adjust ph, after temperature is down to 60 DEG C, add 550 kilograms, urea, 350 kilograms, water, then cool to 35 DEG C and get final product;
(2) triamine glue is prepared: drop into 1000 kilograms, formaldehyde, 500 kilograms, water, add by zinc sulfate with after caustic soda adjust pH to 9.5: hexa: hydroxypropyl methylcellulose: polyvinyl alcohol: the modifier 70 kilograms that hydroxyl-terminated injecting two methyl siloxane is made according to the ratio of 12.5:1:75:250:25, melamine 775 kilograms, then heat temperature raising; Be warmed up to 92-93 DEG C, stop heating up, be incubated and reach 1:1.3 to the water-soluble ratio of glue, be cooled to 40 DEG C and get final product at once;
(3) single-steeping: body paper is immersed in glue completely, hardening time 10min, procuring degree controls 40%;
(4) first drying: the body paper after single-steeping is dried 60 seconds by the hot-air oven of 130 DEG C, makes the single-steeping glue volatile content in impregnated carrier adjust to 12%;
(5) be coated with: use the triamine glue obtained by step (2) to be uniformly coated on impregnated carrier tow sides, hardening time 6min, procuring degree is 35%;
(6) secondary drying: by the hot-air oven baking 7min of the impregnated carrier after coating by 135 DEG C, after drying, the content of volatile matter is 7.5%;
(7) secondary drying is down to the impregnated carrier after room temperature and carries out cutting, inspection, packaging, warehouse-in according to specification.
Embodiment 2
A production method for the ecological impregnated paper of science and technology, it comprises the following steps:
(1) urea-formaldehyde glue is prepared: in reactor, drop into 2500 kilograms, formaldehyde, add by polystyrene: melamine: 1,2-methylimidazole: the promoter 15 kilograms that sodium alkyl benzene sulfonate is made according to the ratio of 15:20:3:0.3 be 8 by sodium hydroxide solution adjust ph, then heating is stopped after being heated to 86-87 DEG C, insulation 20min; Divide the formic acid adjust ph to 4.6 adding 20% for three times, the time interval is 10min, temperature rises to 93-96 DEG C automatically, after about 90 minutes, glue is put into 35 DEG C of water and detect cloud point, occur that Bai Wushi adds above-mentioned promoter 35 kilograms again, then be start cooling after 8 by NaOH adjust ph, after temperature is down to 60 DEG C, add 550 kilograms, urea, 350 kilograms, water, then cool to 35 DEG C and get final product;
(2) triamine glue is prepared: drop into 1000 kilograms, formaldehyde, 500 kilograms, water, add by zinc sulfate with after caustic soda adjust pH to 9.5: hexa: hydroxypropyl methylcellulose: polyvinyl alcohol: the modifier 70 kilograms that hydroxyl-terminated injecting two methyl siloxane is made according to the ratio of 12.5:1:75:250:25, melamine 775 kilograms, then heat temperature raising; Be warmed up to 92-93 DEG C, stop heating up, be incubated and reach 1:1.3 to the water-soluble ratio of glue, be cooled to 40 DEG C and get final product at once;
(3) single-steeping: body paper is immersed in glue completely, hardening time 10min, procuring degree controls 50%;
(4) first drying: the body paper after single-steeping is dried 70 seconds by the hot-air oven of 135 DEG C, makes the single-steeping glue volatile content in impregnated carrier adjust to 14%;
(5) be coated with: use the triamine glue obtained by step (2) to be uniformly coated on impregnated carrier tow sides, hardening time 6min, procuring degree is 40%;
(6) secondary drying: by the hot-air oven baking 7min of the impregnated carrier after coating by 135 DEG C, after drying, the content of volatile matter is 7.5%;
(7) secondary drying is down to the impregnated carrier after room temperature and carries out cutting, inspection, packaging, warehouse-in according to specification.
Embodiment 3
A production method for the ecological impregnated paper of science and technology, it comprises the following steps:
(1) urea-formaldehyde glue is prepared: in reactor, drop into 2500 kilograms, formaldehyde, add by polystyrene: melamine: 1,2-methylimidazole: the promoter 15 kilograms that sodium alkyl benzene sulfonate is made according to the ratio of 15:20:3:0.3 be 7 by sodium hydroxide solution adjust ph, then heating is stopped after being heated to 86-87 DEG C, insulation 20min; Divide the formic acid adjust ph to 4.5 adding 20% for three times, the time interval is 8min, temperature rises to 93-96 DEG C automatically, after about 90 minutes, glue is put into 35 DEG C of water and detect cloud point, occur that Bai Wushi adds above-mentioned promoter 35 kilograms again, then be start cooling after 7 by NaOH adjust ph, after temperature is down to 60 DEG C, add 550 kilograms, urea, 350 kilograms, water, then cool to 35 DEG C and get final product;
(2) triamine glue is prepared: drop into 1000 kilograms, formaldehyde, 500 kilograms, water, add by zinc sulfate with after caustic soda adjust pH to 9.5: hexa: hydroxypropyl methylcellulose: polyvinyl alcohol: the modifier 70 kilograms that hydroxyl-terminated injecting two methyl siloxane is made according to the ratio of 12.5:1:75:250:25, melamine 775 kilograms, then heat temperature raising; Be warmed up to 92-93 DEG C, stop heating up, be incubated and reach 1:1.3 to the water-soluble ratio of glue, be cooled to 40 DEG C and get final product at once;
(3) single-steeping: body paper is immersed in glue completely, hardening time 10min, procuring degree controls 45%;
(4) first drying: the body paper after single-steeping is dried 65 seconds by the hot-air oven of 132 DEG C, makes the single-steeping glue volatile content in impregnated carrier adjust to 13%;
(5) be coated with: use the triamine glue obtained by step (2) to be uniformly coated on impregnated carrier tow sides, hardening time 6min, procuring degree is 38%;
(6) secondary drying: by the hot-air oven baking 6min of the impregnated carrier after coating by 140 DEG C, after drying, the content of volatile matter is 7.5%;
(7) secondary drying is down to the impregnated carrier after room temperature and carries out cutting, inspection, packaging, warehouse-in according to specification.
The production method of the ecological impregnated paper of science and technology of the present invention program, the ecological impregnated paper of the science and technology produced, wooden skin can be replaced completely to make for the veneer of ecological board, eliminate the harmful effect using wooden skin to bring in family's process of assembling, improve the total quality level of ecological board.The impregnated paper prepared with traditional urea-formaldehyde glue and triamine glue is compared, its shock resistance, anti-wear performance are high, free formaldehyde content is low, ecological impregnated paper is smooth, glue is evenly distributed, can realize hiding completely to plate grain, eliminate and reveal the exact details and carbonization phenomenon, improve product percent of pass and service life.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to technical scheme of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (3)
1. a production method for the ecological impregnated paper of science and technology, it is characterized in that, it comprises the following steps:
(1) prepare urea-formaldehyde glue: in reactor, drop into 2500 kilograms, formaldehyde, add promoter 15 kilograms and be 7-8 with sodium hydroxide solution adjust ph, stop heating after being then heated to 86-87 DEG C, be incubated 20min; Point to add the formic acid adjust ph of 20% for three times to 4-4.6, the time interval is 5-10min, temperature rises to 93-96 DEG C automatically, after about 90 minutes, glue is put into 35 DEG C of water and detect cloud point, occur that Bai Wushi adds promoter 35 kilograms again, then be start cooling after 5-8 by NaOH adjust ph, after temperature is down to 60 DEG C, add 550 kilograms, urea, 350 kilograms, water, then cool to 35 DEG C and get final product;
(2) triamine glue is prepared: drop into 1000 kilograms, formaldehyde, 500 kilograms, water, with adding modifier 70 kilograms after caustic soda adjust pH to 9.5, melamine 775 kilograms, then heat temperature raising; Be warmed up to 92-93 DEG C, stop heating up, be incubated and reach 1:1.3 to the water-soluble ratio of glue, be cooled to 40 DEG C and get final product at once;
(3) single-steeping: body paper is immersed in glue completely, hardening time 10min, procuring degree is 40-50%;
(4) first drying: the hot-air oven of the body paper after single-steeping by 130 DEG C ~ 135 DEG C is dried 60 ~ 70 seconds, makes the single-steeping glue volatile content in impregnated carrier adjust to 12% ~ 14%;
(5) be coated with: use the triamine glue obtained by step (2) to be uniformly coated on impregnated carrier tow sides, hardening time 6min, procuring degree is at 35-40%;
(6) secondary drying: by the hot-air oven baking 5-7min of the impregnated carrier after coating by 135 ~ 145 DEG C, after drying, the content of volatile matter is 7.5%;
(7) secondary drying is down to the impregnated carrier after room temperature and carries out cutting, inspection, packaging, warehouse-in according to specification.
2. production method according to claim 1, is characterized in that, in described step (1), promoter is polystyrene: melamine: 1,2-methylimidazole: sodium alkyl benzene sulfonate is made according to the ratio of 15:20:3:0.3.
3. production method according to claim 1, it is characterized in that, in described step (4), modifier is zinc sulfate: hexa: hydroxypropyl methylcellulose: polyvinyl alcohol: hydroxyl-terminated injecting two methyl siloxane is made according to the ratio of 12.5:1:75:250:25.
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| CN106012691A (en) * | 2016-07-27 | 2016-10-12 | 湖北鸿连实业有限公司 | Impregnated integration paper for ecological plate |
| CN106515180A (en) * | 2016-11-05 | 2017-03-22 | 广东耀东华装饰材料科技有限公司 | Manufacturing process of environment-friendly resin impregnated paper overlaid fiberboard |
| CN106835848A (en) * | 2017-03-22 | 2017-06-13 | 山东东宇鸿翔装饰材料有限公司 | 45 grams of preparation methods of facing paper |
| CN107447586A (en) * | 2017-08-10 | 2017-12-08 | 浙江宜佳新材料股份有限公司 | A kind of production technology of high-tensile strength low cost balance paper |
| CN109551576A (en) * | 2018-12-13 | 2019-04-02 | 柳州市荣森新型材料科技有限公司 | A kind of wear-resistant impregnated bond paper facing ecological board and preparation method thereof |
| CN112900144A (en) * | 2021-01-13 | 2021-06-04 | 成都中润华源装饰材料有限公司 | Production method of smooth surface pressed decorative paper |
| CN114481683A (en) * | 2020-10-27 | 2022-05-13 | 福建省德锐新材有限公司 | Soaking secondary drying curing preparation process for secondary hot-pressing curing refractory plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106012691A (en) * | 2016-07-27 | 2016-10-12 | 湖北鸿连实业有限公司 | Impregnated integration paper for ecological plate |
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| CN114481683A (en) * | 2020-10-27 | 2022-05-13 | 福建省德锐新材有限公司 | Soaking secondary drying curing preparation process for secondary hot-pressing curing refractory plate |
| CN112900144A (en) * | 2021-01-13 | 2021-06-04 | 成都中润华源装饰材料有限公司 | Production method of smooth surface pressed decorative paper |
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