CN103540282A - Urea-formaldehyde resin wood adhesive modifier and applications thereof - Google Patents
Urea-formaldehyde resin wood adhesive modifier and applications thereof Download PDFInfo
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- CN103540282A CN103540282A CN201310422494.8A CN201310422494A CN103540282A CN 103540282 A CN103540282 A CN 103540282A CN 201310422494 A CN201310422494 A CN 201310422494A CN 103540282 A CN103540282 A CN 103540282A
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Abstract
The invention discloses a urea-formaldehyde resin wood adhesive modifier and applications thereof. The urea-formaldehyde resin wood adhesive modifier disclosed by the invention comprises the following components in parts by weight: 1-10 parts of silica particles, 1-10 parts of light calcium carbonate, 1-10 parts of titanium dioxide particles, 0.1-0.5 part of ferric chloride, 1-5 parts of polyethylene glycol, and 0.1-0.5 part of sodium dodecyl sulfate. A urea-formaldehyde resin wood adhesive modified by the modifier is applied to the cementing processing of woods and bamboos, and the veneer strength of a finished product plate is increased by more than 10%, the cost is reduced by about 5%, and the formaldehyde release amount is reduced by more than 20%.
Description
(1) technical field
The present invention relates to a kind of based Wood Adhesives properties-correcting agent, be specifically related to a kind of urea-formaldehyde resin based Wood Adhesives properties-correcting agent and application thereof.
(2) background technology
Urea-formaldehyde resin adhesive is because its price is suitable, and technique is good, and color is colourless, thereby is used in a large number in bamboo wood processing industry.Yet because traditional urea-formaldehyde resin adhesive cured glue layer fragility is large, particularly due to the reaction characteristics of preparing in urea-formaldehyde resin process, in sizing agent, inevitably exist some free compositions as free formaldehyde, environment and human body are brought to certain harm, thereby limited its application.
(3) summary of the invention
In order to improve the toughness of urea-formaldehyde resin adhesive, reduce its cured glue layer fragility and reduce the objectionable constituent such as free formaldehyde in sizing agent, the invention provides a kind of novel urea-formaldehyde resin adhesive properties-correcting agent.
The technical solution used in the present invention is:
A based Wood Adhesives properties-correcting agent, comprises the component of following weight part: silicon dioxide granule 1-10 part, light calcium carbonate 1-10 part, TiO 2 particles 1-10 part, iron(ic) chloride 0.1-0.5 part, polyoxyethylene glycol 1-5 part, sodium laurylsulfonate 0.1-0.5 part.
Further, urea-formaldehyde resin based Wood Adhesives properties-correcting agent of the present invention also comprises styrene-acrylic latex 0-50 part.Wherein, the weight part of styrene-acrylic latex can be infinitely close to zero and non-vanishing.
Concrete, urea-formaldehyde resin based Wood Adhesives properties-correcting agent of the present invention is comprised of the component of following weight part: styrene-acrylic latex 0-50 part, silicon dioxide granule 1-10 part, light calcium carbonate 1-10 part, TiO 2 particles 1-10 part, iron(ic) chloride 0.1-0.5 part, polyoxyethylene glycol 1-5 part, sodium laurylsulfonate 0.1-0.5 part.Wherein, the weight part of styrene-acrylic latex can be infinitely close to zero and non-vanishing.
Preferably, urea-formaldehyde resin based Wood Adhesives properties-correcting agent of the present invention is comprised of the component of following weight part: styrene-acrylic latex 20-40 part, silicon dioxide granule 5-10 part, light calcium carbonate 5-10 part, TiO 2 particles 5-10 part, iron(ic) chloride 0.2-0.4 part, polyoxyethylene glycol 2-4 part, sodium laurylsulfonate 0.2-0.4 part.
Another object of the present invention is to provide the application of a kind of described urea-formaldehyde resin based Wood Adhesives properties-correcting agent in urea-formaldehyde resin adhesive modification, and described application method is:
(1) by formula ratio, take each component, be mixed to get urea-formaldehyde resin based Wood Adhesives properties-correcting agent;
(2) urea-formaldehyde resin based Wood Adhesives properties-correcting agent step (1) preparation being obtained mixes with weight ratio 1:1-30 with urea-formaldehyde resin adhesive, stirs, and obtains modification sizing agent;
(3) modification sizing agent step (2) being made is with single spreading amount 60-140g/m
2be applied on matrix sheet material, then stick the veneer sheet material that thickness is 0.2-2mm, under 0.75-1.1MPa effect, through room temperature, cold pressing or temperature 90-110 ℃ is hot pressed into sheet material finished product.
Positively effect of the present invention shows: the wooden bamboo wood gummed converted products of preparing with the glutinous agent of this modified urea-formaldehyde resin glue, and veneer intensity improves more than 10%, cost 5% left and right, burst size of methanal reduces more than 20%.
(4) embodiment
Below in conjunction with specific embodiment, the present invention is described further, but protection scope of the present invention is not limited in this.
Embodiment 1
Urea-formaldehyde resin based Wood Adhesives non-modified is processed.
E2 grade urea-formaldehyde resin gluing agent 100kg, flour 20kg, stirs, by Amount of spread 60g/m
2be applied on fiberboard, and then to stick thickness be 0.2mm oak veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 1.0MPa, and burst size of methanal is 2.2mg/L.
Embodiment 2
Weigh up in mass ratio styrene-acrylic latex 10kg, silicon dioxide granule 1kg, light calcium carbonate 1kg, TiO 2 particles 1kg, iron(ic) chloride 0.1kg, sodium laurylsulfonate 0.1kg, polyoxyethylene glycol 1kg, be added in 100kg E2 urea-formaldehyde resin adhesive, stir, by Amount of spread 60g/m
2be applied on fiberboard, and then to stick thickness be 0.2mm oak veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 1.10MPa, and burst size of methanal is 1.4mg/L.
Embodiment 3
Weigh up in mass ratio styrene-acrylic latex 20kg, silicon dioxide granule 5kg, light calcium carbonate 10kg, TiO 2 particles 5kg, iron(ic) chloride 0.1kg, sodium laurylsulfonate 0.1kg, polyoxyethylene glycol 5kg, be added in 100kg E2 urea-formaldehyde resin adhesive, stir, by Amount of spread 60g/m
2be applied on fiberboard, and then to stick thickness be 0.2mm oak veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 1.15MPa, and burst size of methanal is 1.1mg/L.
Embodiment 4
Weigh up in mass ratio silicon dioxide granule 1kg, light calcium carbonate 1kg, TiO 2 particles 1kg, iron(ic) chloride 0.2kg, sodium laurylsulfonate 0.1kg, polyoxyethylene glycol 1kg, is added in 100kg E2 urea-formaldehyde resin adhesive, stirs, by Amount of spread 140g/m
2be applied on fiberboard, and then to stick thickness be 0.2mm Cortex Fraxini mandshuricae veneer, under 0.75Mpa effect, through 90 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 0.75MPa, and burst size of methanal is 1.45mg/L.
Embodiment 5
Weigh up in mass ratio styrene-acrylic latex 50kg, silicon dioxide granule 10kg, light calcium carbonate 10kg, TiO 2 particles 10kg, iron(ic) chloride 0.5kg, sodium laurylsulfonate 0.4kg, polyoxyethylene glycol 5kg, be added in 100kg E2 urea-formaldehyde resin adhesive, stir, by Amount of spread 60g/m
2be applied on fiberboard, and then to stick thickness be 0.4mm Cortex Fraxini mandshuricae veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 1.02MPa, and burst size of methanal is 1.2mg/L.
Embodiment 6
Urea-formaldehyde resin based Wood Adhesives non-modified is processed.
E1 grade urea-formaldehyde resin gluing agent 100kg, flour 20kg, stirs, by Amount of spread 140g/m
2be applied on fiberboard, and then to stick thickness be 0.4mm oak veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 0.70MPa, and burst size of methanal is 1.38mg/L.
Embodiment 7
Weigh up in mass ratio styrene-acrylic latex 30kg, silicon dioxide granule 8kg, light calcium carbonate 8kg, TiO 2 particles 8kg, iron(ic) chloride 0.3kg, sodium laurylsulfonate 0.3kg, polyoxyethylene glycol 3kg, be added in 100kg E1 urea-formaldehyde resin adhesive, stir, by Amount of spread 140g/m
2be applied on fiberboard, and then to stick thickness be 0.4mm Cortex Fraxini mandshuricae veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 0.82MPa, and burst size of methanal is 0.9mg/L.
Embodiment 8
Weigh up in mass ratio styrene-acrylic latex 50kg, silicon dioxide granule 10kg, light calcium carbonate 10kg, TiO 2 particles 10kg, iron(ic) chloride 0.5kg, sodium laurylsulfonate 0.5kg, polyoxyethylene glycol 5kg, be added in 100kg E1 urea-formaldehyde resin adhesive, stir, by Amount of spread 140g/m
2be applied on fiberboard, and then to stick thickness be 0.4mm Cortex Fraxini mandshuricae veneer, under 1.1Mpa effect, through 110 ℃, be hot pressed into sheet material finished product.In finished product, the surface bonding intensity of veneer sheet material is 1.01MPa, and burst size of methanal is 0.4mg/L.
Embodiment 9
Urea-formaldehyde resin based Wood Adhesives non-modified is processed.
E1 grade urea-formaldehyde resin gluing agent 100kg, flour 20kg, stirs, and presses single spreading amount 140g/m
2be applied on 2mm board using poplar board, under 1Mpa effect, through 100 ℃, be hot pressed into three layers of normal plywood.Glued board gummed intensity is 0.75MPa, and burst size of methanal is 1.35mg/L.
Embodiment 10
Weigh up in mass ratio styrene-acrylic latex 30kg, silicon dioxide granule 6kg, light calcium carbonate 6kg, TiO 2 particles 6kg, iron(ic) chloride 0.3kg, sodium laurylsulfonate 0.35kg, polyoxyethylene glycol 3kg, be added in 100kg E1 urea-formaldehyde resin adhesive, stir, press single spreading amount 140g/m
2be applied on 2mm board using poplar board, under 1Mpa effect, through 100 ℃, be hot pressed into three layers of normal plywood.Glued board gummed intensity is 0.85MPa, and burst size of methanal is 0.4mg/L.
Visible, by urea-formaldehyde resin based Wood Adhesives is strengthened and falls aldehyde modification, not only can reduce urea-formaldehyde resin adhesive Free-formaldehyde content more than 20%, and can improve wooden bamboo processing product bonding strength more than 10%, for producing the high-intensity wooden bamboo wood gummed converted products of environmental type, provide a new technical support.
Claims (5)
1. a urea-formaldehyde resin based Wood Adhesives properties-correcting agent, it is characterized in that, described urea-formaldehyde resin based Wood Adhesives comprises the component of following weight part: silicon dioxide granule 1-10 part, light calcium carbonate 1-10 part, TiO 2 particles 1-10 part, iron(ic) chloride 0.1-0.5 part, polyoxyethylene glycol 1-5 part, sodium laurylsulfonate 0.1-0.5 part.
2. urea-formaldehyde resin based Wood Adhesives properties-correcting agent as claimed in claim 1, is characterized in that described urea-formaldehyde resin based Wood Adhesives, also comprises styrene-acrylic latex 0-50 part.
3. urea-formaldehyde resin based Wood Adhesives properties-correcting agent as claimed in claim 1, it is characterized in that, described urea-formaldehyde resin based Wood Adhesives properties-correcting agent is comprised of the component of following weight part: styrene-acrylic latex 0-50 part, silicon dioxide granule 1-10 part, light calcium carbonate 1-10 part, TiO 2 particles 1-10 part, iron(ic) chloride 0.1-0.5 part, polyoxyethylene glycol 1-5 part, sodium laurylsulfonate 0.1-0.5 part.
4. urea-formaldehyde resin based Wood Adhesives properties-correcting agent as claimed in claim 3, it is characterized in that, described urea-formaldehyde resin based Wood Adhesives properties-correcting agent is comprised of the component of following weight part: styrene-acrylic latex 20-40 part, silicon dioxide granule 5-10 part, light calcium carbonate 5-10 part, TiO 2 particles 5-10 part, iron(ic) chloride 0.2-0.4 part, polyoxyethylene glycol 2-4 part, sodium laurylsulfonate 0.2-0.4 part.
5. the application of urea-formaldehyde resin based Wood Adhesives properties-correcting agent as claimed in claim 1 in urea-formaldehyde resin adhesive modification, is characterized in that, described application method is:
(1) by formula ratio, take each component, be mixed to get urea-formaldehyde resin based Wood Adhesives properties-correcting agent;
(2) urea-formaldehyde resin based Wood Adhesives properties-correcting agent step (1) preparation being obtained mixes with weight ratio 1:1-30 with urea-formaldehyde resin adhesive, stirs, and obtains modification sizing agent;
(3) modification sizing agent step (2) being made is with single spreading amount 60-140g/m
2be applied on matrix sheet material, then stick the veneer sheet material that thickness is 0.2-2mm, under 0.75-1.1MPa effect, through room temperature, cold pressing or temperature 90-110 ℃ is hot pressed into sheet material.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105123012A (en) * | 2015-08-28 | 2015-12-09 | 贵州开磷集团股份有限公司 | Method for improving saline-alkali soil through ardealite, slow-release binder, EDTA, straw and biological bacteria |
| CN105123010A (en) * | 2015-08-28 | 2015-12-09 | 贵州开磷集团股份有限公司 | Method for improving saline-alkali soil through ardealite, slow-release binder, straw and biological bacteria |
| CN105144902A (en) * | 2015-08-28 | 2015-12-16 | 贵州开磷集团股份有限公司 | Method for improving saline and alkaline land through ardealite, DMTU and biological bacteria |
| CN105144891A (en) * | 2015-08-28 | 2015-12-16 | 贵州开磷集团股份有限公司 | Method for improving saline and alkaline land through ardealite, MDU and biological bacteria |
| CN105144898A (en) * | 2015-08-28 | 2015-12-16 | 贵州开磷集团股份有限公司 | Method for improving saline and alkaline land through ardealite, DMTU, EDTA and biological bacteria |
| CN105191536A (en) * | 2015-08-28 | 2015-12-30 | 贵州开磷集团股份有限公司 | Method for improving saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria |
| CN107603258A (en) * | 2017-10-04 | 2018-01-19 | 镇江市星耀智能装备有限公司 | A kind of sheet material of enhanced water resistance energy |
| CN107722658A (en) * | 2017-09-30 | 2018-02-23 | 镇江市星耀智能装备有限公司 | A kind of preparation method of the sheet material of enhanced water resistance energy |
| CN109181600A (en) * | 2018-08-06 | 2019-01-11 | 安徽嘉美工艺品有限公司 | A kind of wood artwork environment-protective adhesive |
| CN112063343A (en) * | 2020-09-22 | 2020-12-11 | 肇庆市海特复合材料技术研究院 | High-performance resin-based adhesive and preparation method thereof |
| CN112223873A (en) * | 2020-10-16 | 2021-01-15 | 大连鹏鸿木业集团有限公司 | Mechanical ecological plate and manufacturing process thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105123012A (en) * | 2015-08-28 | 2015-12-09 | 贵州开磷集团股份有限公司 | Method for improving saline-alkali soil through ardealite, slow-release binder, EDTA, straw and biological bacteria |
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| CN105144898A (en) * | 2015-08-28 | 2015-12-16 | 贵州开磷集团股份有限公司 | Method for improving saline and alkaline land through ardealite, DMTU, EDTA and biological bacteria |
| CN105191536A (en) * | 2015-08-28 | 2015-12-30 | 贵州开磷集团股份有限公司 | Method for improving saline and alkaline land by using ardealite+tetrametilenpentaurea+EDTA (Ethylene Diamine Tetraacetic Acid)+biological bacteria |
| CN107722658A (en) * | 2017-09-30 | 2018-02-23 | 镇江市星耀智能装备有限公司 | A kind of preparation method of the sheet material of enhanced water resistance energy |
| CN107603258A (en) * | 2017-10-04 | 2018-01-19 | 镇江市星耀智能装备有限公司 | A kind of sheet material of enhanced water resistance energy |
| CN109181600A (en) * | 2018-08-06 | 2019-01-11 | 安徽嘉美工艺品有限公司 | A kind of wood artwork environment-protective adhesive |
| CN112063343A (en) * | 2020-09-22 | 2020-12-11 | 肇庆市海特复合材料技术研究院 | High-performance resin-based adhesive and preparation method thereof |
| CN112223873A (en) * | 2020-10-16 | 2021-01-15 | 大连鹏鸿木业集团有限公司 | Mechanical ecological plate and manufacturing process thereof |
| CN112223873B (en) * | 2020-10-16 | 2022-10-28 | 大连鹏鸿木业集团有限公司 | Mechanical ecological plate and manufacturing process thereof |
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