CN108393980A - A kind of beech discards the recoverying and utilizing method of sawdust - Google Patents
A kind of beech discards the recoverying and utilizing method of sawdust Download PDFInfo
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- CN108393980A CN108393980A CN201810138407.9A CN201810138407A CN108393980A CN 108393980 A CN108393980 A CN 108393980A CN 201810138407 A CN201810138407 A CN 201810138407A CN 108393980 A CN108393980 A CN 108393980A
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- beech
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses the recoverying and utilizing method that a kind of beech discards sawdust, this method is after beech is discarded sawdust collection, dalle to be made, specifically comprises the following steps：(1) the following raw material is weighed：Beech discards sawdust, epoxy resin, 2000 mesh silica flours, 800 mesh silica flours, 40 mesh quartz sands, salicylate, nano zine oxide, coupling agent, curing agent；(2) each raw material is uniformly mixed；(3) it is packed into mold, vibrates compression moulding；(4) cure；(5) sanding and polishing.This method can recycle beech waste, make full use of resource, manufactured decorative panel has the characteristics that highly practical, durable, ageing resistance is strong, good toughness, soundproof effect are good, and naturally feels with log, goodlooking.
Description
Technical field
The present invention relates to the recoverying and utilizing methods of sawdust, and in particular to a kind of beech discards the recoverying and utilizing method of sawdust.
Background technology
Beech, also writing " Ju wood " or " Dulcis wood ", originate in south China, this name is not known in the north, and this wood is referred to as southern elm.Though
Luxurious timber is not belonged to, but in Ming and Qing antique traditional furniture, especially civil, use is extremely wide.This kind of beech furniture is mostly Ming Dynasty style, moulding
And the hardwood furnitures such as manufacture technique and Huanghua Pear are essentially identical, have comparable artistic value and historical value.Beech weight, heavily fortified point
Gu shock resistance is readily bent under steam, clean mark, timber is homogeneous, and tone is soft, smooth, can make moulding, embraces
Nail property performance is good.Beech hardness is strong, and can match in excellence or beauty redwood, and why beech is referred to as " noble declined ", when after due to beech,
Start to occupy high-end market by the mahogany furniture of representative of Huanghua Pear；Second is that the characteristics of due to beech itself, just has " noble " wood
The makings of material.In addition to the wooden color, texture, hardness advantage other than, beech also possesses the advantages that load-bearing property is good, crushing resistance is good, often
It is used for shipbuilding, building, bridge are used.And in daily life, furniture, timber, floor, craftwork etc. also usually see beech
The figure of wood.
With the increasing of beech usage amount, the leftover bits and pieces of many beeches is just produced in process, and wood shavings discard wood
Bits etc., since the value of beech is relatively high, so these waste materials are also the resource for having very much utility value, and usual people
It is that directly beech waste is abandoned, fills when fertilizer or burns as industrial fuel, according to analysis, beech waste combustion
When utilization rate it is not high, the combustion heat is undesirable, wastes resource, while the flue gas for generation of burning pollutes the environment.
Invention content
The purpose of the present invention is providing a kind of new recoverying and utilizing method for the waste that is generated in beech process, this
Method can largely recycle beech waste, and manufactured decorative panel has highly practical, durable, ageing resistance
By force, the features such as good toughness, soundproof effect are good, and naturally feel with log, it is goodlooking.
To achieve the goals above, the technical solution adopted by the present invention is as follows：
A kind of beech discards the recoverying and utilizing method of sawdust, and the method is that after beech is discarded sawdust collection, dress is made
Decoratice board specifically comprises the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 90-100 parts of sawdust, 5-8 parts of epoxy resin, 2000 mesh stones
18-25 parts of English powder, 800 15-22 parts of mesh silica flours, 40 9-15 parts of mesh quartz sands, 0.5-1 parts of salicylate, nano zine oxide
0.5-1 parts, 0.07-0.12 parts of coupling agent, 0.05-0.1 parts of curing agent；
(2) raw material for weighing step (1) is uniformly mixed, and obtains mixture；
(3) mixture is packed into mold, vibrates compression moulding, obtains profiled sheeting；
(4) cure at a temperature of profiled sheeting being placed in 100-110 DEG C, hardening time 15-20min；
(5) after the completion of curing, natural cooling, sanding and polishing.
Further, the beech discards sawdust, is that the sawdust, wood shavings, leftover bits and pieces generated when processing beech is collected, so
After sawdust is made, using sieve filter out fineness uniformly, length be 2-20mm sawdust, you can obtain beech discard sawdust.First
Beech is made by process above and discards sawdust, then carries out preparing dalle, sawdust is distributed evenly, and shape is more good-looking,
Plate forming it is closer, it is more robust, dalle obtained can be made to have the characteristics that beech, texture is apparent, tone
Softer, smooth, appearance more has log feeling, more resistant to seeing.
Further, the epoxy resin be bromo propanepoxy resin, it is o-cresol type novolac epoxy resin, double
The one or more of phenol A type epoxy resin.
Further, the epoxy resin by phase homogenous quantities bromo propanepoxy resin and o-cresol type phenolic aldehyde
Epoxy resin forms.
Further, the salicylate is phenyl salicylate, 3,5- dichlorosalicylic acids phenyl ester, salicylic acid to octyl benzene
One or more of ester.
Further, the salicylate by phenyl salicylate and p-octylphenyl salicylate with mass ratio for 1：2-3 groups
At.
Further, the coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane, γ-aminopropyl trimethoxy
Silane, 3- aminopropyl trimethoxysilanes, 3- glycidyl ether oxypropyltrimethoxysilanes, γ-mercapto propyl triethoxy
Silane, diethylin are for one or more of methyltriethoxysilane.
Further, 3- aminopropyl trimethoxysilane, 3- glycidol ether oxygroup of the coupling agent by phase homogenous quantities
Propyl trimethoxy silicane and diethylin are formed for methyltriethoxysilane.
Further, the curing agent is in peroxidized t-butyl perbenzoate, methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride
It is one or more of.
Further, in step (3), the parameter of the pressing operation process is as follows：Pressure is 800-1000KN, vibration frequency
Rate is 25-30Hz, and temperature is 50-80 DEG C, pressing time 5-7min.The characteristics of pressing parameter is each component according to the present invention
And the degree of influencing each other is set, and keeps the performance of manufactured decorative panel good and goodlooking.
Advantageous effect：
The present invention provides a kind of new recoverying and utilizing method, and preparation process for the waste that beech process generates
Simply.This method can largely recycle beech waste, greatly improve the recycling value of beech, reduce resource
It wastes and as environmental pollution caused by fuel combustion.
Usually not sun-proof using dalle made of sawdust, light is easy to change after irradiating, wears, aging, and the present invention exists
A certain amount of nano zine oxide is added in formula, coordinates the use of salicylate, and there is good anti-ultraviolet function, it is comprehensive
The function of epoxy resin, coupling agent, curing agent, the dalle made of special technique have good ageing resistance
Can, plank is slow using rear aging speed.
Slimmer and more graceful than general plank using dalle made of beech sawdust, use scope is wide, and in addition its good toughness, is not easy
Deformation and fracture.
Because of the particularity of the intercombinations such as beech sawdust, silica flour, quartz sand in the formula of the present invention, it is necessary to be equipped with suitable
Resin and coupling agent, the curing agent etc. of its performance are closed, if the component collocation of formula is bad, each raw material is not easy to bond
Together, it is easy to decline if even if bonding good quality；Suitable formula can be quick and lasting each raw material of bonding, make system
At dalle it is high-quality, it is durable.
The present invention selects the material matching of rational granular size, makes each component assembled arrangement regularly, plate obtained
Material density is big, and hole is small, can not only substantially reduce the dosage of various auxiliary agents, more environmentally friendly, while the impact flexibility of plank is high.This
Dalle made of invention has the characteristics that highly practical, durable, ageing resistance is strong, good toughness, and with original
It is wooden naturally to feel, goodlooking, good visual effect.
Specific implementation mode
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 2-20mm using sieve, it is useless to obtain beech
Sawdust is abandoned, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 90-100 parts of sawdust, 5-8 parts of epoxy resin, 2000 mesh stones
18-25 parts of English powder, 800 15-22 parts of mesh silica flours, 40 9-15 parts of mesh quartz sands, 0.5-1 parts of salicylate, nano zine oxide
0.5-1 parts, 0.07-0.12 parts of coupling agent, 0.05-0.1 parts of curing agent；
The epoxy resin is bromo propanepoxy resin, o-cresol type novolac epoxy resin, bisphenol type epoxy
The one or more of resin.
The salicylate is one kind in phenyl salicylate, 3,5- dichlorosalicylic acids phenyl ester, p-octylphenyl salicylate
Or it is several.
The coupling agent is vinyl three ('beta '-methoxy ethyoxyl) silane, γ-aminopropyl trimethoxysilane, 3- ammonia
Propyl trimethoxy silicane, 3- glycidyl ether oxypropyltrimethoxysilanes, γ-mercaptopropyltriethoxysilane, diethyl
Amido is for one or more of methyltriethoxysilane.
The curing agent is peroxidized t-butyl perbenzoate, methyl tetrahydro phthalic anhydride, one kind in methyl hexahydrophthalic anhydride or several
Kind.
(2) raw material for weighing step (1) is uniformly mixed, and obtains mixture；
(3) mixture is packed into mold, vibrates compression moulding, obtains profiled sheeting；The parameter of the pressing operation process is such as
Under：Pressure is 800-1000KN, and vibration frequency 25-30Hz, temperature is 50-80 DEG C, pressing time 5-7min；
(4) cure at a temperature of profiled sheeting being placed in 100-110 DEG C, hardening time is 15-20 minutes；
(5) after the completion of curing, natural cooling, sanding and polishing.
With reference to specific embodiment, the present invention is described further.
Embodiment 1
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 5-10mm using sieve, it is useless to obtain beech
Sawdust is abandoned, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 95 parts of sawdust, 7 parts of epoxy resin, 2000 mesh silica flours 21
Part, 800 18 parts of mesh silica flours, 40 11 parts of mesh quartz sands, 0.7 part of salicylate, 0.8 part of nano zine oxide, 0.09 part of coupling agent,
0.08 part of curing agent；
The epoxy resin by phase homogenous quantities bromo propanepoxy resin and o-cresol type novolac epoxy resin
Composition.
The salicylate is by phenyl salicylate and p-octylphenyl salicylate with mass ratio for 1：2.5 composition.
3- aminopropyl trimethoxysilane of the coupling agent by phase homogenous quantities, 3- glycydoxy trimethoxies
Base silane and diethylin are formed for methyltriethoxysilane.
The curing agent is made of the peroxidized t-butyl perbenzoate and methyl tetrahydro phthalic anhydride of phase homogenous quantities.
(2) raw material for weighing step (1) is uniformly mixed, and obtains mixture；
(3) mixture is packed into mold, vibrates compression moulding, obtains profiled sheeting；The parameter of the pressing operation process is such as
Under：Pressure is 900KN, and vibration frequency 30Hz, temperature is 70 DEG C, pressing time 6min；
(4) cure at a temperature of profiled sheeting being placed in 106 DEG C, hardening time 18min；
(5) after the completion of curing, natural cooling, sanding and polishing.
Embodiment 2
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 15-20mm using sieve, it is useless to obtain beech
Sawdust is abandoned, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 90 parts of sawdust, 5 parts of epoxy resin, 2000 mesh silica flours 18
Part, 800 15 parts of mesh silica flours, 40 9 parts of mesh quartz sands, 0.5 part of salicylate, 0.5 part of nano zine oxide, 0.07 part of coupling agent,
0.05 part of curing agent；
The epoxy resin is bromo propanepoxy resin；The salicylate is by phenyl salicylate and salicylic acid
To octyl octylphenyl with mass ratio for 1：2 compositions；The coupling agent is γ-aminopropyl trimethoxysilane；The curing agent is first
Base tetrahydrophthalic anhydride.
(2) raw material for weighing step (1) is uniformly mixed, and obtains mixture；
(3) mixture is packed into mold, vibrates compression moulding, obtains profiled sheeting；The parameter of the pressing operation process is such as
Under：Pressure is 800KN, and vibration frequency 30Hz, temperature is 80 DEG C, pressing time 5min；
(4) cure at a temperature of profiled sheeting being placed in 110 DEG C, hardening time is 15 minutes；
(5) after the completion of curing, natural cooling, sanding and polishing.
Embodiment 3
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 5-10mm using sieve, it is useless to obtain beech
Sawdust is abandoned, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 100 parts of sawdust, 8 parts of epoxy resin, 2000 mesh silica flours
25 parts, 800 22 parts of mesh silica flours, 40 15 parts of mesh quartz sands, 1 part of salicylate, 1 part of nano zine oxide, 0.12 part of coupling agent, Gu
0.1 part of agent；
The epoxy resin is o-cresol type novolac epoxy resin；The salicylate is by phenyl salicylate and salicylic acid pair
Octyl octylphenyl is with mass ratio for 1：3 compositions；The coupling agent is diethylin for methyltriethoxysilane；The curing agent is
Peroxidized t-butyl perbenzoate.
(2) raw material for weighing step (1) is uniformly mixed, and obtains mixture；
(3) mixture is packed into mold, vibrates compression moulding, obtains profiled sheeting；The parameter of the pressing operation process is such as
Under：Pressure is 1000KN, and vibration frequency 25Hz, temperature is 50 DEG C, pressing time 7min；
(4) cure at a temperature of profiled sheeting being placed in 100 DEG C, hardening time is 20 minutes；
(5) after the completion of curing, natural cooling, sanding and polishing.
Embodiment 4
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 2-5mm using sieve, it is discarded to obtain beech
Sawdust, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 98 parts of sawdust, 7.5 parts of bisphenol A type epoxy resin, and 2000
22 parts of mesh silica flour, 800 16 parts of mesh silica flours, 40 13 parts of mesh quartz sands, 3,5- 0.8 part of dichlorosalicylic acid phenyl esters are nano oxidized
0.7 part of zinc, 0.10 part of vinyl three ('beta '-methoxy ethyoxyl) silane, 0.08 part of peroxidized t-butyl perbenzoate；
Other steps are the same as embodiment 1.
Embodiment 5
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 15-20mm using sieve, it is useless to obtain beech
Sawdust is abandoned, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 92 parts of sawdust, 6 parts of epoxy resin, 2000 mesh silica flours 19
Part, 800 18 parts of mesh silica flours, 40 12 parts of mesh quartz sands, 0.9 part of salicylate, 0.7 part of nano zine oxide, 0.08 part of coupling agent,
0.06 part of curing agent；
The epoxy resin is made of the o-cresol type novolac epoxy resin and bisphenol A type epoxy resin of phase homogenous quantities.
The salicylate is phenyl salicylate.
The coupling agent is 3- aminopropyl trimethoxysilanes.
The curing agent is methyl hexahydrophthalic anhydride.
Other steps are the same as embodiment 1.
Embodiment 6
A kind of beech discards the recoverying and utilizing method of sawdust, the method be the sawdust generated when processing beech, wood shavings,
Leftover bits and pieces is collected, and sawdust is then made, and filters out the sawdust that fineness is uniform, length is 10-15mm using sieve, it is useless to obtain beech
Sawdust is abandoned, then sawdust is discarded using beech and is fabricated to dalle as raw material；Manufacturing process includes the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 99 parts of sawdust, 8 parts of epoxy resin, 2000 mesh silica flours 24
Part, 800 20 parts of mesh silica flours, 40 14 parts of mesh quartz sands, 0.8 part of salicylate, 0.9 part of nano zine oxide, 0.11 part of coupling agent,
0.07 part of curing agent；
The epoxy resin is that bromo propanepoxy resin and bisphenol A type epoxy resin are mixed with arbitrary proportion.
The salicylate is p-octylphenyl salicylate.
The coupling agent is γ-aminopropyl trimethoxysilane, 3- aminopropyl trimethoxysilanes, diethylin for first
Ethyl triethoxy silicane alkane is mixed with identical mass ratio.
The curing agent is 2 by mass ratio：1 peroxidized t-butyl perbenzoate and methyl tetrahydro phthalic anhydride composition.
Other steps are the same as embodiment 1.
Dalle made from Example 1-3 and conventional decorative plank (control group) carry out performance detection, are specifically shown in
Table 1.
Table 1
As can be seen from Table 1, embodiment 1-3 prepares haveing excellent performance for the dalle various aspects of gained, compared to routine
Dalle, better quality, and finished product plank naturally feel that visual effect is more preferable with beech log, it is easier to allow purchase
Buyer receives.
Claims (10)
1. a kind of beech discards the recoverying and utilizing method of sawdust, which is characterized in that after beech is discarded sawdust collection, decoration is made
Plank specifically comprises the following steps：
(1) the following raw material is weighed in parts by weight：Beech discards 90-100 parts of sawdust, 5-8 parts of epoxy resin, 2000 mesh silica flours
18-25 parts, 800 15-22 parts of mesh silica flours, 40 9-15 parts of mesh quartz sands, 0.5-1 parts of salicylate, nano zine oxide 0.5-1
Part, 0.07-0.12 parts of coupling agent, 0.05-0.1 parts of curing agent；
(2) raw material for weighing step (1) is uniformly mixed, and obtains mixture；
(3) mixture is packed into mold, vibrates compression moulding, obtains profiled sheeting；
(4) cure at a temperature of profiled sheeting being placed in 100-110 DEG C, hardening time 15-20min；
(5) after the completion of curing, natural cooling, sanding and polishing.
2. beech as described in claim 1 discards the recoverying and utilizing method of sawdust, it is characterised in that：The discarded wood of the beech
Bits are that the sawdust, wood shavings, leftover bits and pieces generated when processing beech is collected, sawdust are then made, it is equal to filter out fineness using sieve
Even, length is the sawdust of 2-20mm, you can obtains beech and discards sawdust.
3. beech as described in claim 1 discards the recoverying and utilizing method of sawdust, it is characterised in that：The epoxy resin is bromine
For the one or more of propanepoxy resin, o-cresol type novolac epoxy resin, bisphenol A type epoxy resin.
4. beech as claimed in claim 3 discards the recoverying and utilizing method of sawdust, it is characterised in that：The epoxy resin is by phase
The bromo propanepoxy resin and o-cresol type novolac epoxy resin of homogenous quantities form.
5. beech as described in claim 1 discards the recoverying and utilizing method of sawdust, it is characterised in that：The salicylate is water
One or more of poplar acid phenenyl ester, 3,5- dichlorosalicylic acids phenyl ester, p-octylphenyl salicylate.
6. beech as claimed in claim 5 discards the recoverying and utilizing method of sawdust, it is characterised in that：The salicylate is by water
Poplar acid phenenyl ester is with p-octylphenyl salicylate with mass ratio for 1：2-3 is formed.
7. beech as described in claim 1 discards the recoverying and utilizing method of sawdust, it is characterised in that：The coupling agent is ethylene
Base three ('beta '-methoxy ethyoxyl) silane, γ-aminopropyl trimethoxysilane, 3- aminopropyl trimethoxysilanes, 3- shrink sweet
Oily ether oxygen base propyl trimethoxy silicane, γ-mercaptopropyltriethoxysilane, diethylin are in methyltriethoxysilane
One or more.
8. beech as claimed in claim 7 discards the recoverying and utilizing method of sawdust, it is characterised in that：The coupling agent is by identical
3- aminopropyl trimethoxysilanes, 3- glycidyl ether oxypropyltrimethoxysilanes and the diethylin of quality are for methyl three
Ethoxysilane forms.
9. beech as described in claim 1 discards the recoverying and utilizing method of sawdust, it is characterised in that：The curing agent is peroxide
Change one or more of t-butyl perbenzoate, methyl tetrahydro phthalic anhydride, methyl hexahydrophthalic anhydride.
10. beech as described in claim 1 discards the recoverying and utilizing method of sawdust, it is characterised in that：It is described in step (3)
The parameter of pressing operation process is as follows：Pressure is 800-1000KN, and vibration frequency 25-30Hz, temperature is 50-80 DEG C, compacting
Time is 5-7min.
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Application publication date: 20180814 |