CN107459694A - The method that composite is prepared using useless boxboard, corrugated paper and regenerated plastics - Google Patents
The method that composite is prepared using useless boxboard, corrugated paper and regenerated plastics Download PDFInfo
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- CN107459694A CN107459694A CN201710740699.9A CN201710740699A CN107459694A CN 107459694 A CN107459694 A CN 107459694A CN 201710740699 A CN201710740699 A CN 201710740699A CN 107459694 A CN107459694 A CN 107459694A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
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Abstract
The invention discloses the method for preparing composite using useless boxboard, corrugated paper and regenerated plastics, using waste and old boxboard, useless corrugated paper and regenerated plastics as raw material, by crushing, mixing, drying pre- modified waste paper fibre is prepared, then pre- modified waste paper fibre, interface improver, regenerated plastics and lubricant are put into high-speed mixer and be sufficiently mixed, the material mixed is added in open type dual-roller kneading machine and is kneaded, product pattern compacting or injection molding will be kneaded, cooled down, the demoulding, is made composite.The composite prepared using the preparation method of the present invention has good mechanical performance, and water imbibition is extremely low, and stability is good, and integrated application performance is good, and recycled for multiple times can be achieved, have broad application prospects.
Description
Technical field
The invention belongs to discarded printing material recycling and cycling and reutilization technical field, and in particular to utilize useless case
The method that paperboard, corrugated paper and regenerated plastics prepare composite.
Background technology
In recent years, with progress, the raising of living standards of the people and the fast development of electric business delivery industry of society, bag
The output and consumption figure of the discarded discarded package paper such as boxboard and corrugated paper of dress and cardboard are rapidly rising.According to Chinese papermaking
Association counts, and China's boxboard consumption figure reaches 22,970,000 tons within 2015, increases by 2.5% compared with last year；Fluting medium consumption figure reaches
22280000 tons, increase by 3.5% compared with last year.These packaging boards are most of after use all to become discarded cardboard.At present, discard
Boxboard and the traditional approach that recycles of corrugated paper are by its reuse, and copying for packing board is again acted as after deinking is handled
Make, although technical maturity, product is single, added value of product is relatively low, and there is an urgent need to develop suitable new period demand for development in market
The efficient high added value recycle utilization of discarded boxboard and corrugated paper.
On the other hand, the processing for waste and old packing plastics mainly has following several ways at present：Bury, burn, directly
Recycle either regeneration.There is many environmental problems in landfill method, burning disposal, therefore, for waste or used plastics processing
Total development trend is to strengthen the recycling of waste or used plastics, wherein with modified and with being filled or being strengthened using fiber etc.
Method production high added value new material receives much concern, and this is also the popular domain of current technics of reclaim of plastic waste technical research.
The content of the invention
It is an object of the invention to provide the method for preparing composite using useless boxboard, corrugated paper and regenerated plastics, solution
Determined in the prior art exist reuse technology it is single and recycle when pollute environment the problem of.
The technical solution adopted in the present invention is：Composite is prepared using useless boxboard, corrugated paper and regenerated plastics
Method, it is characterised in that comprise the following steps that：
Step 1, raw material is weighed in mass ratio respectively：Waste and old boxboard is 6 with useless corrugated paper:4 weigh, and are mixed into waste paper,
Waste paper is 100 with coupling agent:6~10 weigh coupling agent, and coupling agent is 1 with alcohols solvent:15~20 weigh alcohols solvent；
Step 2, the raw material in step 1 crushed, mixed, dried and obtain pre- modified mixed waste paper fiber；
Step 3, it is by mass percentage 20~50：48~78：1~3:1~3, which weighs the pre- modification prepared through step 2, mixes
Close waste paper fibre, regenerated plastics, interface improver and lubricant；
Step 4, pre- modified mixed waste paper fiber, regenerated plastics, interface improver and the lubricant that will be weighed through step 3,
It is respectively added to be sufficiently mixed in mixer, obtains mixed material；
Step 5, the mixed material being mixed to get through step 4 is kneaded, obtains being kneaded product；
Step 6, by the mixing product utilization pattern obtained through step 5 compacting or injection molding, cooled down, be stripped, made
It is standby to obtain composite.
The method have the characteristics that：
Wherein described step 2 is specifically implemented according to the following steps：
Step 2.1, the waste and old boxboard and useless corrugated paper that are weighed through step 1 are ground into 2cm × 2cm~4cm × 4cm's
Fragment, it is sufficiently mixed uniformly, obtains mixed waste paper fragment；
Step 2.2, the coupling agent weighed through step 1 and alcohols solvent are mixed to get mixed liquor, mixed liquor is uniformly sprayed
Spill on mixed waste paper block, stand 2h~3h；
Step 2.3, the mixed waste paper block obtained through step 2.2 is taken out, under 70 DEG C~80 DEG C of temperature conditionss, dried
4h~6h is dried in case；
Step 2.4, the mixed waste paper block after step 2.3 drying and processing is crushed to 0.5cm~1.0cm, draw ratio is not
Less than 20, pre- modified mixed waste paper fiber is prepared.
The coupling agent of wherein described step 1 and step 2.2 is KH550 silane couplers or KH570 silane couplers；Alcohols
Solvent is absolute ethyl alcohol.
Interface improver in wherein described step 3 is maleic anhydride grafted polyethylene；Regenerated plastics are regenerative high-density
Polyethylene；Lubricant is Tissuemat E.
Mixer is high-speed mixer in wherein described step 4.
The mixing temperature of mixer is 70 DEG C~80 DEG C in wherein described step 4.
In wherein described step 5, melting temperature is 155 DEG C~180 DEG C, and mixing time is 10min~30min.
The beneficial effects of the invention are as follows：
The composite prepared using the preparation method of the present invention is recycled for waste and old boxboard with useless corrugated paper and height
Effect, high added value recycling open a brand-new field；The recycling profit of packaging waste or used plastics is effectively improved simultaneously
With rate, economize on resources, turn waste into wealth.The cost of raw material of the present invention is low, and equipment investment is few, and technique is simple, to the utilization rate of raw material
It is high；Natural fiber enhancing composite has good processability, and good mechanical performance, water imbibition is low, and 100% recovery can be achieved
Recycle and repeated multiple times can utilize, be entirely free of formaldehyde, can be widely applied to outdoor flooring, gardens tables and chairs, fence, movement build
Build, the field such as furniture and ornament materials.The present invention relates to content be printing packaging utilization of waste as resource and circulation
Using field is important, one of inevitable developing direction, there is excellent application development prospect.
Embodiment
With reference to embodiment, the present invention is described in detail.
The present invention provides the method for preparing composite using useless boxboard, corrugated paper and regenerated plastics, and specific steps are such as
Under：
Step 1, weigh respectively by mass percentage：Waste and old boxboard is 6 with useless corrugated paper:4 weigh, and are mixed into waste paper,
Waste paper is 100 with coupling agent：6~10 weigh coupling agent, and coupling agent is 1 with alcohols solvent:15~20 weigh alcohols solvent；
Coupling agent in step 1 is KH550 silane couplers or KH570 silane couplers, and alcohols solvent is absolute ethyl alcohol；
Step 2, pre- modified mixed waste paper fiber is prepared：
Step 2.1, the waste and old boxboard and useless corrugated paper that are weighed through step 1 are ground into 2cm × 2cm~4cm × 4cm's
Fragment, it is sufficiently mixed uniformly, obtains mixed waste paper fragment；
Step 2.2, the coupling agent weighed through step 1 and alcohols solvent are mixed to get mixed liquor, mixed liquor is uniformly sprayed
Spill on mixed waste paper block, stand 2h~3h；
Step 2.3, the mixed waste paper obtained through step 2.2 is taken out soon, under 70 DEG C~80 DEG C of temperature conditionss, dried
4h~6h is dried in case；
Step 2.4, the mixed waste paper block after the drying that step 2.3 obtains is crushed to 0.5cm~1.0cm, draw ratio
Not less than 20, pre- modified mixed waste paper fiber is prepared.
Step 3, it is 20~50 according to mass ratio：48~78：1~3:1~3, weigh the pre- modified mixing obtained through step 2
Waste paper fibre, regenerated plastics, interface improver and lubricant；
Step 3 median surface improver is maleic anhydride grafted polyethylene, and regenerated plastics are regenerative high-density polyethylene, lubrication
Agent is Tissuemat E；
Step 4, pre- modified mixed waste paper fiber, regenerated plastics, interface improver and the lubrication that will be weighed through step 3
Agent, it is respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 70~80 DEG C, obtains mixed material；
Step 5, the mixed material obtained through step 4 is added in open type dual-roller kneading machine and be kneaded, be kneaded temperature
Spend for 155 DEG C~180 DEG C, mixing time is 10min~30min, obtains being kneaded product；
Step 6, by the mixing product utilization pattern obtained through step 5 compacting or injection molding, cooled down, be stripped, made
It is standby to obtain a kind of composite prepared using useless boxboard, corrugated paper and regenerated plastics.
Using the preparation method of the present invention using all a large amount of caused waste and old boxboard, useless corrugated paper and regenerated plastics daily
Regeneration natural fiber enhancing composite is produced as raw material, there are very wide market prospects, be waste and old boxboard, useless
The recycling of corrugated paper breaks fresh ground and new approaches, and achievement in research is in resources conservation and protection, printing packaging discarded data
Recycle and high-efficiency resource recycling, green and energy-saving and emission-reduction etc. all have extremely important realistic meaning.
Embodiment 1
It is mixed waste paper that the waste and old boxboards of 100g, which are weighed, with useless corrugated paper, wherein waste and old boxboard 60g, give up corrugated paper 40g,
Mixed waste paper is used into fragment of the pulverizer preliminary crushing for about 2cm × 2cm；Then 6gKH550 silane couplers, 120g are weighed
Absolute ethyl alcohol, KH550 silane couplers are added in absolute ethyl alcohol, be sufficiently mixed uniformly, it is using watering can that mixed liquor is uniform
Waste and old boxboard is sprayed at on useless corrugated paper mixed waste paper fragment, after standing 2h, 4h is dried in 70 DEG C of baking ovens；Then use
Pulverizer crushes to mixed waste paper block, is crushed to fibre length 0.5cm, and draw ratio is not less than 20, obtains pre- modified mixing
Waste paper fibre；
Weigh the pre- modified mixed waste paper fibers of 50g, 46g regenerated polythene raw materials, 3g maleated polyethylenes, 1g polyethylene
Wax, they are respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 80 DEG C；Then the material that will be sufficiently mixed
It is put into open type dual-roller kneading machine, mixing 15min is carried out at a temperature of 160 DEG C；Then product will be kneaded to be suppressed with pattern,
Cooling, the demoulding, a kind of composite A using waste and old boxboard, useless corrugated paper and regenerated plastics is prepared.
Embodiment 2
Weigh the waste and old boxboards of 100g and be mixed into waste paper with useless corrugated paper, wherein waste and old boxboard 60g, give up corrugated paper 40g,
Mixed waste paper is used into fragment of the pulverizer preliminary crushing for about 3cm × 3cm；Then 8gKH550 silane couplers, 160g are weighed
Absolute ethyl alcohol, KH550 silane couplers are added in absolute ethyl alcohol, be sufficiently mixed uniformly, it is using watering can that mixed liquor is uniform
Waste and old boxboard is sprayed at on useless corrugated paper mixed waste paper fragment, after standing 2h, 4h is dried in 70 degrees Celsius of baking ovens；Then
Mixed waste paper block is crushed using pulverizer, is crushed to fibre length 1cm, draw ratio is not less than 20, obtains pre- modification and mix
Close waste paper fibre；
Weigh the pre- modified mixed waste paper fibers of 40g, 57g regenerated polythene raw materials, 2g maleated polyethylenes, 1g polyethylene
Wax, they are respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 80 DEG C；Then the material that will be sufficiently mixed
It is added in open type dual-roller kneading machine, mixing 12min is carried out at a temperature of 160 DEG C；Then product pattern pressure will be kneaded
System or injection molding, cool down, the demoulding, a kind of composite wood using waste and old boxboard, useless corrugated paper and regenerated plastics is prepared
Expect B.
Embodiment 3
The waste and old boxboards of 100g and useless corrugated paper mixed waste paper are weighed, wherein waste and old boxboard 60g, give up corrugated paper 40g, will
Mixed waste paper uses fragment of the pulverizer preliminary crushing for about 4cm × 4cm；Then 10gKH570 silane couplers, 180g are weighed
Absolute ethyl alcohol, KH570 silane couplers are added in absolute ethyl alcohol, be sufficiently mixed uniformly, it is using watering can that mixed liquor is uniform
Waste and old boxboard is sprayed at on useless corrugated paper mixed waste paper fragment, after standing 2h, 4h is dried in 70 DEG C of baking ovens；Then use
Pulverizer crushes to mixed waste paper block, is crushed to fibre length 0.6cm, and draw ratio is not less than 20, obtains pre- modified mixing
Waste paper fibre；
Weigh the pre- modified mixed waste paper fibers of 30g, 67g regenerated polythene raw materials, 2g maleated polyethylenes, 1g polyethylene
Wax, they are respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 80 DEG C；Then the material that will be sufficiently mixed
It is added in open type dual-roller kneading machine, mixing 12min is carried out at a temperature of 160 DEG C；Then product pattern pressure will be kneaded
System or injection molding, cool down, the demoulding, a kind of composite wood using waste and old boxboard, useless corrugated paper and regenerated plastics is prepared
Expect C.
Embodiment 4
The waste and old boxboards of 100g and useless corrugated paper mixed waste paper are weighed, wherein waste and old boxboard 60g, give up corrugated paper 40g, will
Mixed waste paper uses fragment of the pulverizer preliminary crushing for about 3cm × 3cm；Then 10gKH570 silane couplers, 180g are weighed
Absolute ethyl alcohol, KH570 silane couplers are added in absolute ethyl alcohol, be sufficiently mixed uniformly, it is using watering can that mixed liquor is uniform
Waste and old boxboard is sprayed at on useless corrugated paper mixed waste paper fragment, after standing 2h, 4h is dried in 70 DEG C of baking ovens；Then use
Pulverizer crushes to mixed waste paper block, is crushed to fibre length 0.8cm, and draw ratio is not less than 20, obtains pre- modified mixing
Waste paper fibre；
Weigh the pre- modified mixed waste paper fibers of 35g, 62g regenerated polythene raw materials, 2g maleated polyethylenes, 1g polyethylene
Wax, they are respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 80 DEG C；Then the material that will be sufficiently mixed
It is added in open type dual-roller kneading machine, mixing 15min is carried out at a temperature of 160 DEG C；Then product pattern pressure will be kneaded
System or injection molding, cool down, the demoulding, a kind of composite wood using waste and old boxboard, useless corrugated paper and regenerated plastics is prepared
Expect D.
Embodiment 5
The waste and old boxboards of 100g and useless corrugated paper mixed waste paper are weighed, wherein waste and old boxboard 60g, give up corrugated paper 40g, will
Mixed waste paper uses fragment of the pulverizer preliminary crushing for about 3cm × 3cm；Then weigh 8gKH570 silane couplers, 160g without
Water-ethanol, KH570 silane couplers are added in absolute ethyl alcohol, are sufficiently mixed uniformly, are uniformly sprayed mixed liquor using watering can
Waste and old boxboard is sprinkled upon with useless corrugated paper mixed waste paper fragment, after standing 2h, 4h is dried in 70 DEG C of baking ovens；Then powder is used
Broken machine crushes to mixed waste paper block, is crushed to fibre length 0.5cm, and draw ratio is not less than 20, and it is useless to obtain pre- modified mixing
Paper fiber；
Weigh the pre- modified mixed waste paper fibers of 45g, 57g regenerated polythene raw materials, 2g maleated polyethylenes, 1g polyethylene
Wax, they are respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 80 DEG C；Then the material that will be sufficiently mixed
It is added in open type dual-roller kneading machine, mixing 15min is carried out at a temperature of 160 DEG C；Then product pattern pressure will be kneaded
System, cool down, the demoulding, a kind of composite E using waste and old boxboard, useless corrugated paper and regenerated plastics is prepared.
Embodiment 6
The waste and old boxboards of 100g and useless corrugated paper mixed waste paper are weighed, wherein waste and old boxboard 60g, give up corrugated paper 40g, will
Mixed waste paper uses fragment of the pulverizer preliminary crushing for about 3cm × 3cm；Then 10gKH550 silane couplers, 200g are weighed
Absolute ethyl alcohol, KH550 silane couplers are poured into absolute ethyl alcohol, be sufficiently mixed uniformly, uniformly sprayed mixed liquor using watering can
Waste and old boxboard is sprinkled upon with useless corrugated paper mixed waste paper fragment, after standing 2h, 4h is dried in 70 DEG C of baking ovens；Then powder is used
Broken machine crushes to mixed waste paper block, is crushed to fibre length 1cm, and draw ratio is not less than 20, obtains pre- modified mixed waste paper
Fiber；
Weigh the pre- modified mixed waste paper fibers of more than 45g, 51g regenerated polythene raw materials, 2g maleated polyethylenes, 2g gathers
Ethylene waxes, they are respectively added to be sufficiently mixed in high-speed mixer, mixing temperature is 80 DEG C；Then will be sufficiently mixed
Material is added in open type dual-roller kneading machine, and mixing 15min is carried out at a temperature of 160 DEG C；Then product type will be kneaded
Molding system, is cooled down, the demoulding, and a kind of composite F using waste and old boxboard, useless corrugated paper and regenerated plastics is prepared.
The composite of the present invention of table 1 and existing composite property contrast situation
Shown by table 1：Useless boxboard, corrugated paper and regeneration are utilized using one kind that the preparation method of the present invention is prepared
Composite prepared by plastics, compared with prior art, has good processing characteristics, water imbibition is low, excellent in mechanical performance, can
Realize that 100% reclaiming is produced.
The present invention is produced using a large amount of caused waste and old boxboard, useless corrugated paper and regenerated plastics daily as raw material
Natural fiber enhancing composite is regenerated, there are very wide market prospects, is the recovery profit of waste and old boxboard/useless corrugated paper
With breaking fresh ground and new approaches, achievement in research recycles and high in resources conservation and protection, printing packaging discarded data
Effect recycling, green and energy-saving and emission-reduction etc. all have extremely important realistic meaning.
The composite being prepared using the preparation method of the present invention, advantage are：Existing wood plastic composite master
To be that thermoplastic resin based composite material is filled and strengthened to wood powder etc., and the raw material that the present invention uses for waste and old boxboard and give up
Corrugated paper and package waste regenerated plastics, raw material sources are extensive, and material preparation process is simple, can be achieved to waste and old boxboard with
The efficient higher value application of the discarded package papers such as useless corrugated paper；The composite being prepared using the preparation method of the present invention
With good processability, stability is good, good mechanical performance, and 100% reclaiming production can be achieved.
Claims (10)
1. the method for preparing composite using useless boxboard, corrugated paper and regenerated plastics, it is characterised in that specific steps are such as
Under：
Step 1, raw material is weighed in mass ratio respectively：Waste and old boxboard is 6 with useless corrugated paper:4 weigh, and are mixed into waste paper, waste paper
It is 100 with coupling agent:6~10 weigh coupling agent, and coupling agent is 1 with alcohols solvent:15~20 weigh alcohols solvent；
Step 2, the raw material in step 1 crushed, mixed, dried and obtain pre- modified mixed waste paper fiber；
Step 3, it is by mass percentage 20~50：48~78：1~3:1~3, which weighs the pre- modified mixing prepared through step 2, gives up
Paper fiber, regenerated plastics, interface improver and lubricant；
Step 4, pre- modified mixed waste paper fiber, regenerated plastics, interface improver and the lubricant that will be weighed through step 3, respectively
It is added in mixer and is sufficiently mixed, obtains mixed material；
Step 5, the mixed material being mixed to get through step 4 is kneaded, obtains being kneaded product；
Step 6, by the mixing product utilization pattern obtained through step 5 compacting or injection molding, cooled down, be stripped, is prepared into
To composite.
2. the method according to claim 1 for preparing composite using useless boxboard, corrugated paper and regenerated plastics, it is special
Sign is that the step 2 is specifically implemented according to the following steps：
Step 2.1, the waste and old boxboard and useless corrugated paper that are weighed through step 1 are ground into the broken of 2cm × 2cm~4cm × 4cm
Piece, it is sufficiently mixed uniformly, obtains mixed waste paper fragment；
Step 2.2, the coupling agent weighed through step 1 and alcohols solvent are mixed to get mixed liquor, mixed liquor is uniformly sprayed on
On mixed waste paper block, 2h~3h is stood；
Step 2.3, the mixed waste paper block obtained through step 2.2 is taken out, under 70 DEG C~80 DEG C of temperature conditionss, in an oven
Dry 4h~6h；
Step 2.4, the mixed waste paper block after step 2.3 drying and processing is crushed to 0.5cm~1.0cm, draw ratio is not less than
20, pre- modified mixed waste paper fiber is prepared.
3. the method according to claim 2 for preparing composite using useless boxboard, corrugated paper and regenerated plastics, it is special
Sign is that the coupling agent of the step 1 and step 2.2 is KH550 silane couplers or KH570 silane couplers.
4. the method according to claim 2 for preparing composite using useless boxboard, corrugated paper and regenerated plastics, it is special
Sign is that the alcohols solvent of the step 1 and step 2.2 is absolute ethyl alcohol.
5. the method according to claim 1 or 2 for preparing composite using useless boxboard, corrugated paper and regenerated plastics,
Characterized in that, the interface improver in the step 3 is maleic anhydride grafted polyethylene.
6. the method according to claim 1 or 2 for preparing composite using useless boxboard, corrugated paper and regenerated plastics,
Characterized in that, the regenerated plastics in the step 3 are regenerative high-density polyethylene.
7. the method according to claim 1 or 2 for preparing composite using useless boxboard, corrugated paper and regenerated plastics,
Characterized in that, the lubricant in the step 3 is Tissuemat E.
8. the method according to claim 1 for preparing composite using useless boxboard, corrugated paper and regenerated plastics, it is special
Sign is that mixer is high-speed mixer in the step 4.
9. the method according to claim 1 for preparing composite using useless boxboard, corrugated paper and regenerated plastics, it is special
Sign is that the mixing temperature of mixer is 70 DEG C~80 DEG C in the step 4.
10. the method according to claim 1 for preparing composite using useless boxboard, corrugated paper and regenerated plastics, its
It is characterised by, in the step 5, melting temperature is 155 DEG C~180 DEG C, and mixing time is 10min~30min.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537061A (en) * | 2019-09-21 | 2021-03-23 | 梁坪 | Method for preparing cartridge case by using waste paper and waste plastics |
| CN113136095A (en) * | 2021-03-04 | 2021-07-20 | 西安理工大学 | Preparation method of waste paper fiber/nano-cellulose reinforced polylactic acid-based composite material |
| CN113354845A (en) * | 2021-05-17 | 2021-09-07 | 西安理工大学 | Preparation method of waste paper fiber reinforced polylactic acid composite material |
| CN113717509A (en) * | 2021-06-07 | 2021-11-30 | 西安理工大学 | Preparation method of waste paper fiber/polylactic acid composite material |
| CN113789063A (en) * | 2021-10-08 | 2021-12-14 | 安徽元琛环保科技股份有限公司 | Method for preparing wood-plastic composite material by recycling waste paper and prepared composite material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102260391A (en) * | 2011-07-07 | 2011-11-30 | 西安理工大学 | Method for preparing waste newspaper-waste polypropylene composite material |
| CN102627804A (en) * | 2012-03-23 | 2012-08-08 | 西安理工大学 | Method for preparing wood-plastic composite material with waste printing/copy paper and waste plastics |
| CN106751991A (en) * | 2016-12-12 | 2017-05-31 | 西安理工大学 | High content secondary stock strengthens the preparation method of waste polyethylene composite |
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| CN102260391A (en) * | 2011-07-07 | 2011-11-30 | 西安理工大学 | Method for preparing waste newspaper-waste polypropylene composite material |
| CN102627804A (en) * | 2012-03-23 | 2012-08-08 | 西安理工大学 | Method for preparing wood-plastic composite material with waste printing/copy paper and waste plastics |
| CN106751991A (en) * | 2016-12-12 | 2017-05-31 | 西安理工大学 | High content secondary stock strengthens the preparation method of waste polyethylene composite |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112537061A (en) * | 2019-09-21 | 2021-03-23 | 梁坪 | Method for preparing cartridge case by using waste paper and waste plastics |
| CN113136095A (en) * | 2021-03-04 | 2021-07-20 | 西安理工大学 | Preparation method of waste paper fiber/nano-cellulose reinforced polylactic acid-based composite material |
| CN113354845A (en) * | 2021-05-17 | 2021-09-07 | 西安理工大学 | Preparation method of waste paper fiber reinforced polylactic acid composite material |
| CN113717509A (en) * | 2021-06-07 | 2021-11-30 | 西安理工大学 | Preparation method of waste paper fiber/polylactic acid composite material |
| CN113789063A (en) * | 2021-10-08 | 2021-12-14 | 安徽元琛环保科技股份有限公司 | Method for preparing wood-plastic composite material by recycling waste paper and prepared composite material |
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