CN107584611A - A kind of Scrimber with antimildew function and preparation method thereof - Google Patents
A kind of Scrimber with antimildew function and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of Scrimber with antimildew function and preparation method thereof, it with the addition of in wooden beam and form Recompounded multielement type mould inhibitor and pf resin of low molecular weight by azole, isothiazolinone and chrysanthemum esters, the preservative expands fungicidal spectrum by the synergy for azole, isothiazolinone and chrysanthemum esters three；After being recombinated using phenolic resin, preservative is closed in phenolic resin, does not stay mistake, and in outdoor environment 6 months is not mouldy, and long-acting mould-proof can be achieved.Compared with common anticorrosive wood, there is Scrimber of the invention preservative not stay mistake, and dosage is few, the characteristic such as more environmentally-friendly, is with a wide range of applications.
Description
Technical field
The present invention relates to wood processing technique field, more particularly to there is the Scrimber of antimildew function and preparation method thereof.
Background technology
With the improvement of people's living standards, the requirement more and more higher for house fitting-up, the consumer group of solid wood is selected
Increasingly rise, but the solid wood hardwood of tropical rain forest is faced with the edge of scarcity.Weight was just studied since 1976 by Australia
Group wood technology, wants to work out the wood that can substitute solid wood hardwood, can not produce in enormous quantities on a production line always.
China begins one's study for 1979 recombinates wood technology, and the nineties, " Scrimber science and technology " was put into national " 95 tacklings of key scientific and technical problems
Among plan ", until 2008, by discongesting wooden beam preparation technology again behind China independently first single board, just fundamentally solve
The industrialization technology problem of Scrimber.It can be compared favourably using the Scrimber of this technique productions with natural hard solid wood, intensity
Higher than redwood, anti-corrosion waterproof, but due to mould proof problem, its application in outdoor of obstacle.
The content of the invention
To solve the above problems, the invention provides one kind to have antimildew function Scrimber, the density of the Scrimber is
1.00-1.30g/cm3, raw material includes wooden beam, phenolic resin adhesive and mould inhibitor, and the wooden beam is artificial forest wood using dredging
Solution machine discongests into loose pencil unit that is elongated, being cross-linked with each other and keep the original arrangement mode of fiber, the diameter of the wooden beam
Less than 5mm；The phenolic resin adhesive is low molecular weight water-soluble phenolic resin, and molecular weight distribution is between 200-400
95-98% is accounted for, the phenolic resin adhesive resin added is the 10-15% of wooden beam quality fraction；The mould inhibitor be Tebuconazole,
Propiconazole, CMIT, BIT and cypermethrin compounded mould inhibitor,
The mould inhibitor drugloading rate is the 0.25-0.50% of wooden beam quality fraction.
Phenol in the phenolic resin: formaldehyde: NaOH mol ratio is 1: (1.9-2.2): (0.1-0.2).
The mould inhibitor includes the host of 2.75-35 parts and the auxiliary agent of 65-97.25 parts, and the host is by 0.5-10 parts penta
Azoles alcohol, 0.5-10 parts propiconazole, 1-3 parts CMIT, 0.5-2 parts 1,2- benzisothiazoles-
3- ketone and 0.25-10 parts cypermethrin composition.
The auxiliary agent is by 60-90 parts water, 2-4 part emulsifying agent 2-4 parts dispersant, 0.8-1.3 parts bleeding agent, 2.0-8.0 parts
Crosslinking agent forms；The emulsification is carried out at emulsification for two kinds of emulsifying agents of dialkyl benzene sulfonic acids calcium and fatty acid esters of sorbitan
Reason, the calcium dodecyl benzene sulfonate are 65-80 parts of emulsifying agent weight, and the fatty acid esters of sorbitan is emulsifying agent weight
20-35 parts of amount；The dispersant is polyacrylamide, sodium thiosulfate and N-isopropylacrylamide；The polyacrylamide,
The adding proportion of sodium thiosulfate and N-isopropylacrylamide is respectively 20-30 parts of dispersant total amount, 30-50 parts and 20-50
Part；The bleeding agent is sodium hydroxide acetone emulsion.
Present invention also offers one kind to have antimildew function Scrimber manufacture method, including (one) wooden beam is discongested, (two) wood
The mould proof processing of beam primary drying, (three) wooden beam, (four) wooden beam impregnation, (five) wooden beam redrying, (six) recombining：
(1) wooden beam is discongested
By artificial forest wood using fluffer discongest into it is elongated, be cross-linked with each other and keep the original arrangement mode of fiber dredge
Loose pencil unit, the diameter of the wooden beam are less than 5mm；
(2) wooden beam primary drying
Use mesh-belt drier or kiln drier drying to moisture content for 8-15% step (1)；
(3) the mould proof processing of wooden beam
The wooden beam described in step (2) is immersed in impregnating fluid, the impregnation time is 15-30min, and the mould inhibitor carries medicine
Measure and account for 95- between 200-400 for the 0.25-0.50% of wooden beam quality fraction, the molecular weight distribution of the impregnating fluid
98%, solid content 15-30%, impregnation time are 15-30min, and impregnation resin content is the 10-15% of wooden beam quality fraction；It is described anti-
The mould dose of host for including 2.75-35 parts and the auxiliary agent of 65-97.25 parts, the host is by 0.5-10 parts Tebuconazole, 0.5-10 parts third
Ring azoles, 1-3 parts CMIT, 0.5-2 parts BIT and 0-25-10 parts
Cypermethrin forms；The auxiliary agent is as follows by forming：60-90 parts water, 2-4 part emulsifying agent 2-4 parts dispersant, 0.8-1.3 parts are oozed
Saturating agent, 2.0-8.0 parts crosslinking agent composition；The emulsification is the two kinds of emulsifications of dialkyl benzene sulfonic acids calcium and fatty acid esters of sorbitan
Agent carry out emulsification treatment, the calcium dodecyl benzene sulfonate be emulsifying agent weight 65-80 parts, the sorbitan fatty acids
Ester is 20-35 parts of emulsifying agent weight；The dispersant is polyacrylamide, sodium thiosulfate and N-isopropylacrylamide；Institute
The adding proportion for stating polyacrylamide, sodium thiosulfate and N-isopropylacrylamide is respectively 20-30 parts of dispersant total amount,
30-50 parts and 20-50 parts；The bleeding agent is sodium hydroxide acetone emulsion.
(4) wooden beam applying glue
Wooden beam described in step (3) is immersed in phenol resin solution, phenol in the phenolic resin: formaldehyde: NaOH's rubs
You are than being 1: (1.9-2.2): (0.1-0.2)；The molecular weight distribution of the phenolic resin accounts for 95-98% between 200-400,
Solid content is 15-30%, and the impregnation time is 15-30min, and impregnation resin content is the 10-15% of wooden beam quality fraction；
(5) wooden beam redrying
Wooden beam described in step (3) is inserted in mesh-belt drier, it is 8-15% to dry to moisture content, and drying temperature is
70-100℃；
(6) recombining
By wooden beam described in step (5) press rift grain assembly after, insert in press use be cold-pressed or hot pressing be pressed into density for
1.10-1.30g/cm3 Scrimber blank, forms Scrimber after solidification, the solidification temperature is 130-150 DEG C.
The mould inhibitor complex process：Add the water of 30-50 parts into compounding kettle, start agitator, rotating speed 1500-
2000r/min, dialkyl benzene sulfonic acids calcium and fatty acid esters of sorbitan are slowly added into, after stirring, be slowly added into
0.5-10 Tebuconazoles, continue to stir, until Tebuconazole forms uniform emulsion；Mixer mixing speed is down to 400~
500r/min, the propiconazole of 0.5-10 parts is added, persistently stir 5~10min；The imidic acid esters of 2.0-8.0 parts are added afterwards,
Continue to stir, until Tebuconazole forms uniform emulsion with propiconazole；Dispersant total amount 20-30 parts are added to Scattered Kettle 1 to gather
Acrylamide, agitator is started, rotating speed is 200~300r/min, is slowly added into the 5- chloro-2-methyl -4- isothiazole of 1-3 parts
Quinoline -3- ketone, until stirring；Dispersant total amount 30-50 part sodium thiosulfate is added to Scattered Kettle 2, starts agitator, rotating speed
For 200~300r/min, the BIT of 0.5-2 parts is slowly added into, until stirring；To scattered
Kettle 3 adds dispersant total amount 20-50 part N-isopropylacrylamides, starts agitator, rotating speed is 200~300r/min, slowly
The cypermethrin of 0.5-2 parts is added, until stirring；The mixing speed of 200~300r/min of agitator in compounding kettle is kept,
Scattered Kettle 1 and 2 is opened, by CMIT solution and polyacrylamide solution and 1,2- benzisoxa
Thiazoline -3- ketone is added separately to compound in kettle with hypo solution, adds 30-40% water while stirring, and stirring is equal
After even, Scattered Kettle 3 is opened, adds cypermethrin and propylacrylamide solution, adds remaining 10-40% water, stirring 5~
10min, 0.8-1.3 part sodium hydroxide acetone solns are added, obtain the long-acting mould-proof agent.
Compared with prior art, useful achievement of the invention is as follows：
(1) Recompounded multielement mould inhibitor is with the addition of in wooden beam, the preservative is by azole, isothiazolinone and chrysanthemum esters 3
Kind preservative composition, auxiliary agent are made up of water, emulsifying agent, dispersant, bleeding agent and crosslinking agent, and host is with auxiliary agent by emulsifying, handing over
The processes such as connection, scattered and compounding are prepared, and due to the synergy of azole, isothiazolinone and chrysanthemum esters three, expand
Fungicidal spectrum, dosage is reduced, in outdoor environment 6 months is not mouldy, realizes long-acting mould-proof；
(2) after using phenolic resin restructuring, preservative is closed in phenolic resin, does not stay mistake, with common anticorrosive wood phase
Than more environmentally-friendly；
Embodiment
The present invention is illustrated with reference to specific embodiment.
Embodiment：
One kind has antimildew function Scrimber, it is characterised in that：The density of the Scrimber is 1.15g/cm3, raw material bag
Wooden beam, phenolic resin adhesive and mould inhibitor are included, the wooden beam is discongested into elongated, mutual for artificial forest wood using fluffer
It is crosslinked and keeps the loose pencil unit of the original arrangement mode of fiber, the diameter 3-5mm of the wooden beam；The phenolic resin gluing
Agent resin added is the 15% of wooden beam quality fraction, and the phenolic resin adhesive is low molecular weight water-soluble phenolic resin, molecule
Amount is distributed between 200-400 and accounts for 96%；The mould inhibitor includes accounting for host of the weight than 24% and 76% auxiliary agent, wherein
Auxiliary agent includes：8 parts of Tebuconazoles, 8 parts of propiconazoles, 3 parts of CMITs, 2 parts of 1,2- benzisothiazoles
Quinoline -3- ketone and 3 parts of cypermethrins, auxiliary agent include：62 parts of water, 2.8 parts of dialkyl benzene sulfonic acids calcium, 1.2 parts of sorbitane fatties
Acid esters, 5.0 parts of imidic acid esters, 1.2 parts of polyacrylamides, 1.2 parts of sodium thiosulfate, 1.4 parts of N-isopropylacrylamides,
1.0 parts of sodium hydroxide acetone solns, the mould inhibitor drugloading rate are the 30% of wooden beam quality fraction.
Present invention also offers one kind to have antimildew function Scrimber manufacture method：Discongested including (one) wooden beam, (two) wood
The mould proof processing of beam primary drying, (three) wooden beam, (four) wooden beam impregnation, (five) wooden beam redrying, (six) recombining：
(1) wooden beam is discongested
By artificial forest wood using fluffer discongest into it is elongated, be cross-linked with each other and keep the original arrangement mode of fiber dredge
Loose pencil unit, the diameter 3-5mm of the wooden beam；
(2) wooden beam primary drying
Use mesh-belt drier or kiln drier drying to moisture content for 10% step (1)；
(3) the mould proof processing of wooden beam
The wooden beam described in step (2) is immersed in impregnating fluid, the impregnation time is 15min, and the mould inhibitor drugloading rate is
The 0.30% of wooden beam quality fraction, the molecular weight distribution of the impregnating fluid account for 96% between 200-400, and solid content is
20%, the impregnation time is 15min, and impregnation resin content is the 15% of wooden beam quality fraction；The mould inhibitor includes accounting for weight than 24%
Host and 76% auxiliary agent, wherein auxiliary agent include：8 parts of Tebuconazoles, 8 parts of propiconazoles, 2 parts of 5- chloro-2-methyl -4- isothiazolines -
3- ketone, 1 part of BIT and 5 parts of cypermethrins, auxiliary agent include：62 parts of water, 2.8 parts of dialkyl benzene sulfonic acids
Calcium, 1.2 parts of fatty acid esters of sorbitan, 5.0 parts of imidic acid esters, 1.2 parts of polyacrylamides, 1.2 parts of sodium thiosulfate,
1.4 parts of N-isopropylacrylamides, 1.0 parts of sodium hydroxide acetone solns.
The complex process of the mould inhibitor comprises the following steps into compounding kettle plus 20 parts of water, starts agitator, rotating speed
For 2000r/min, dialkyl benzene sulfonic acids calcium and fatty acid esters of sorbitan are slowly added into, after stirring, is slowly added
Enter 8 parts of Tebuconazoles, continue to stir, until Tebuconazole forms uniform emulsion；Mixer mixing speed is down to 500r/min,
8 parts of propiconazole is added, persistently stirs 8min；Add 5.0 parts of imidic acid esters afterwards, continue to stir, until Tebuconazole with
Propiconazole forms uniform emulsion；1.2 parts of polyacrylamides are added to Scattered Kettle 1, start agitator, rotating speed 300r/
Min, 3.0 parts of CMIT is slowly added into, until stirring；Add and divide to Scattered Kettle 2
1.2 parts of sodium thiosulfate of powder total amount, start agitator, rotating speed 300r/min, are slowly added into 2 parts of 1,2- benzisothias
Oxazoline -3- ketone, until stirring；Dispersant 1.4 parts of N-isopropylacrylamides of total amount are added to Scattered Kettle 3, start agitator,
Rotating speed is 300r/min, is slowly added into 3 parts of cypermethrin, until stirring；
The mixing speed of agitator 300r/min in compounding kettle is kept, Scattered Kettle 1 and 2 is opened, by 5- chloro-2-methyls -4-
Isothiazoline -3- ketone solution is distinguished with polyacrylamide solution and BIT with hypo solution
It is added in compounding kettle, adds 24 parts of water while stirring, after stirring, opens Scattered Kettle 3, add cypermethrin and propyl group
Acrylamide solution, remaining 18 parts of water is added, stir 5~10min, added 1 part of sodium hydroxide acetone soln, obtain the length
Imitate mould inhibitor.
(4) wooden beam applying glue
Wooden beam described in step (3) is immersed in phenol resin solution, phenol in the phenolic resin: formaldehyde: NaOH's rubs
You are than being 1: 2.1: 0.1；The molecular weight distribution of the phenolic resin accounts for 96% between 200-400, solid content 20%, soaks
The glue time is 15min, and impregnation resin content is the 15% of wooden beam quality fraction；
(5) wooden beam redrying
Wooden beam described in step (4) is inserted in mesh-belt drier, it is 12% to dry to moisture content, drying temperature 80
℃；
(6) recombining
By wooden beam described in step (5) press rift grain assembly after, insert in press use be cold-pressed or hot pressing be pressed into density for
1.15g/cm3Scrimber blank, form Scrimber after solidification, the solidification temperature is 140 DEG C.
Through it is mould proof processing Scrimber surface color it is unchanged, mechanical performance index, wherein MOR be 120~
200MPa, modulus of elasticity are 14000~20000MPa, and shear strength is 10~20MPa, 28h boiling function of circular water absorption thickness swellings
Rate is 5~15%.Above-mentioned performance is with the sample material without mould proof processing without significant change.
The Scrimber is through standard testing GB/T 18261-2013 mould inhibitors to timber mould and stain fungus preventing efficiency
Test method, grade of going mouldy are 0 grade；Material moulding ability 100% is compareed, grade of going mouldy is 4 grades；According to hot and humid outdoor environment
For test result anti-mold effect up to 6 months, control mouldy time was 3 days.
Claims (5)
1. one kind has antimildew function Scrimber, it is characterised in that：The density of the Scrimber is 1.00-1.30g/cm3, raw material
Including wooden beam, phenolic resin adhesive and mould inhibitor, the wooden beam is that artificial forest wood discongests into elongated, phase using fluffer
Mutually it is crosslinked and keeps the loose pencil unit of the original arrangement mode of fiber, the diameter of the wooden beam is less than 5mm；The phenolic resin
Adhesive is low molecular weight water-soluble phenolic resin, and molecular weight distribution accounts for 95-98%, the phenolic aldehyde tree between 200-400
Fat adhesive resin added is the 10-15% of wooden beam quality fraction；The mould inhibitor be Tebuconazole, propiconazole, 5- chloro-2-methyls-
4- isothiazoline -3- ketone, BIT and cypermethrin compounded mould inhibitor, the mould inhibitor drugloading rate are
The 0.25-0.50% of wooden beam quality fraction.
2. antimildew function Scrimber is had according to claim 1, it is characterised in that：Phenol in the phenolic resin: formaldehyde: NaOH
Mol ratio be 1: (1.9-2.2): (0.1-0.2).
3. antimildew function Scrimber is had according to claim 1, it is characterised in that：The mould inhibitor includes the master of 2.75-35 parts
Agent and the auxiliary agent of 65-97.25 parts, the host is by 0.5-10 parts Tebuconazole, 0.5-10 parts propiconazole, the chloro- 2- first of 1-3 parts 5-
Base -4- isothiazoline -3- ketone, 0.5-2 parts BIT and 0.25-10 parts cypermethrin composition.
4. antimildew function Scrimber is had according to claim 3, it is characterised in that：The auxiliary agent is by 60-90 parts water, 2-4 parts breast
Agent 2-4 parts dispersant, 0.8-1.3 parts bleeding agent, 2.0-8.0 parts crosslinking agent composition；The emulsification is dialkyl benzene sulfonic acids calcium
Emulsification treatment is carried out with two kinds of emulsifying agents of fatty acid esters of sorbitan, the calcium dodecyl benzene sulfonate is emulsifying agent weight
65-80 parts, the fatty acid esters of sorbitan are 20-35 parts of emulsifying agent weight；The dispersant is polyacrylamide, sulphur
Sodium thiosulfate and N-isopropylacrylamide；The adding proportion of the polyacrylamide, sodium thiosulfate and N-isopropylacrylamide
Respectively 20-30 parts of dispersant total amount, 30-50 parts and 20-50 parts；The bleeding agent is sodium hydroxide acetone emulsion.
5. one kind has antimildew function Scrimber manufacture method, it is characterised in that：Discongested including (one) wooden beam, (two) wooden Shu Yici
Drying, the mould proof processing of (three) wooden beam, (four) wooden beam impregnation, (five) wooden beam redrying, (six) recombining：
(1) wooden beam is discongested
Artificial forest wood is discongested into loose beam that is elongated, being cross-linked with each other and keep the original arrangement mode of fiber using fluffer
Shape unit, the diameter of the wooden beam are less than 5mm；
(2) wooden beam primary drying
Use mesh-belt drier or kiln drier drying to moisture content for 8-15% step (1)；
(3) the mould proof processing of wooden beam
The wooden beam described in step (2) is immersed in impregnating fluid, the impregnation time is 15-30min, and the mould inhibitor drugloading rate is
The 0.25-0.50% of wooden beam quality fraction, the molecular weight distribution of the impregnating fluid account for 95-98% between 200-400, Gu
Content is 15-30%, and the impregnation time is 15-30min, and impregnation resin content is the 10-15% of wooden beam quality fraction；The mould inhibitor includes
The host of 2.75-35 parts and the auxiliary agent of 65-97.25 parts, the host is by 0.5-10 parts Tebuconazole, 0.5-10 parts propiconazole, 1-3
Part CMIT, 0.5-2 parts BIT and 0.25-10 part cypermethrins
Composition；The auxiliary agent is as follows by forming：60-90 parts water, 2-4 part emulsifying agent 2-4 parts dispersant, 0.8-1.3 parts bleeding agent, 2.0-
8.0 parts of crosslinking agent compositions；The emulsification carries out breast for two kinds of emulsifying agents of dialkyl benzene sulfonic acids calcium and fatty acid esters of sorbitan
Change is handled, and the calcium dodecyl benzene sulfonate is 65-80 parts of emulsifying agent weight, and the fatty acid esters of sorbitan is emulsification
20-35 parts of agent weight；The dispersant is polyacrylamide, sodium thiosulfate and N-isopropylacrylamide；The polypropylene
The adding proportion of acid amides, sodium thiosulfate and N-isopropylacrylamide is respectively 20-30 parts of dispersant total amount, 30-50 parts and
20-50 parts；The bleeding agent is sodium hydroxide acetone emulsion.
(4) wooden beam applying glue
Wooden beam described in step (3) is immersed in phenol resin solution, phenol in the phenolic resin: formaldehyde: NaOH mol ratio
For 1: (1.9-2.2): (0.1-0.2)；The molecular weight distribution of the phenolic resin accounts for 95-98% between 200-400, admittedly contain
It is 15-30min to measure as 15-30%, impregnation time, and impregnation resin content is the 10-15% of wooden beam quality fraction；
(5) wooden beam redrying
Wooden beam described in step (4) is inserted in mesh-belt drier, it is 8-15%, drying temperature 70- to dry to moisture content
100℃；
(6) recombining
After wooden beam described in step (5) is pressed into rift grain assembly, insert in press and use cold pressing or hot pressing to be pressed into density as 1.10-
1.30g/cm3Scrimber blank, form Scrimber after solidification, the solidification temperature is 130-150 DEG C.
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| CN201610564492.6A CN107584611B (en) | 2016-07-08 | 2016-07-08 | Recombined wood with mildew-proof function and preparation method thereof |
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| CN201610564492.6A CN107584611B (en) | 2016-07-08 | 2016-07-08 | Recombined wood with mildew-proof function and preparation method thereof |
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| CN108340461A (en) * | 2018-03-02 | 2018-07-31 | 南京林业大学 | A kind of novel recombination is wooden to make method |
| CN109719810A (en) * | 2019-02-14 | 2019-05-07 | 国家林业和草原局竹子研究开发中心 | A kind of preparation method of anti-corrosion Scrimber |
| CN110509375A (en) * | 2019-07-09 | 2019-11-29 | 中国林业科学研究院木材工业研究所 | A kind of Scrimber and preparation method thereof with antibacterial and mouldproof performance |
| CN114290453A (en) * | 2021-12-30 | 2022-04-08 | 中国林业科学研究院木材工业研究所 | Wood-based recombinant material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340461A (en) * | 2018-03-02 | 2018-07-31 | 南京林业大学 | A kind of novel recombination is wooden to make method |
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| CN114290453A (en) * | 2021-12-30 | 2022-04-08 | 中国林业科学研究院木材工业研究所 | Wood-based recombinant material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107584611B (en) | 2021-04-30 |
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