CN109912963A - A kind of production method of waste old powder filled polyurethane plastics - Google Patents
A kind of production method of waste old powder filled polyurethane plastics Download PDFInfo
- Publication number
- CN109912963A CN109912963A CN201910224386.7A CN201910224386A CN109912963A CN 109912963 A CN109912963 A CN 109912963A CN 201910224386 A CN201910224386 A CN 201910224386A CN 109912963 A CN109912963 A CN 109912963A
- Authority
- CN
- China
- Prior art keywords
- component
- waste old
- old powder
- added
- polyurethane plastics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The present invention provides a kind of production methods of waste old powder filled polyurethane plastics, are related to plastic material field, comprising the following steps: handle waste old powder；Prepare hemicellulose based polyether polyol；Prepare surface treated basalt fiber；By above-mentioned hemicellulose based polyether polyol, foam stabiliser, catalyst, deionized water and fire retardant, which are uniformly mixed, is used as component A, using isocyanates as B component, using waste old powder and surface treated basalt fiber as component C, first component A and B component are added in super mixer, control super mixer revolving speed is 800-1000r/min mixing 10-20min, component C is added again, raising revolving speed is 1200-1300r/min mixing 5-10min, mixed material is injected into mold, mold is transferred in baking oven after 60-80 DEG C of foaming 5-10h again and demoulds 60-80 DEG C of curing 5-10h again finished product can be obtained, detect surface, polyurethane plastics of the present invention has good mechanical property, can satisfy generally to use needs It asks.
Description
Technical field
The present invention relates to plastic material fields, and in particular to a kind of producer of waste old powder filled polyurethane plastics
Method.
Background technique
In recent years, with the rapid development of auto industry, a large amount of waste tire is had every year and is scrapped, by waste tire rubber
Glue is recycled of increasing concern, the recycling of waste tire rubber and using having become a urgent problem.Largely
The accumulation of waste tire rubber not only causes the waste of resource, but also the breeding for mouse, mosquito provides place.Accumulation
Waste tire rubber is easy to cause fire, and imperfect combustion can release hydrocarbon and toxic gas, and flame is very
Difficulty is put out.In recent years, waste tire rubber is recycled both at home and abroad, such as thermally decomposes withdrawal liquid fuel and chemistry
Product, fuel utilization, reclaimed rubber utilize, rubber powder utilizes etc..Rubber powder is wherein made to utilize because of its simple process, energy conservation, water-saving, ring
The advantages that border is polluted less, properties of product are preferable has had been more and more widely used.Rubber powder is added to rubber, pitch, coagulation
In soil, rubber product, paveio(u)r and construction material etc. can be made, by waste old powder for filled polyurethane modeling
Material, in the hope of improving one of purposes that the mechanical property of filled polyurethane plastics is current waste old powder.
Polyurethane foam plastics is that isocyanates and the aggregated foaming of hydroxy compounds are made, can be divided by its hardness soft
Two class of matter and hard, wherein soft is principal item.In general, it has splendid elasticity, flexibility, elongation and compression
Intensity；Chemical stability is good, resistance to many solvents and oils；High abrasion resistance is 20 times big compared with natural sponge；There are also excellent processing
The performances such as property, thermal insulation, adhesiveness, are a kind of padded coamings of function admirable, but since the higher current application of price is limited
The addition of waste old powder not only can be improved its mechanical property, but also can reduce production cost by system, has and greatly answers
Use prospect.
Chinese patent CN103183856A discloses a kind of regenerated plastics and preparation method thereof that tyre rubber powder is modified, should
The purpose of invention is to solve the problems such as no pollutions recycling such as existing waste tire rubber, waste plastic is difficult.The invention
The modified regenerated plastics of tyre rubber powder, be made by the raw material containing following mass percent component: waste plastic 20%~
70%, tyre rubber powder 10%~40%, fire retardant 5%~26%, expanding material 1%~10%, lubricant 0.1%~3%, increasing
Mould agent 0.5%~5%, antioxidant 0.05%~4%.The regenerated plastics that the invention utilizes tyre rubber powder modified, are not only improved
The new application technology of the resource utilization of rubber powder of waste tire, exploitation rubber powder, expands the application range of rubber powder, while prepared
Regenerated plastics still there is good mechanical property, and the production cost of regenerated plastics is greatly reduced, to can further expansion
The application field of regenerated plastics.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of producers of waste old powder filled polyurethane plastics
Method.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 40-50 DEG C, again by hypochlorous acid after being sufficiently stirred
Sodium and hydrochloric acid are added, and finish rear stir process 30-60min, waste old powder is placed in 60-80 DEG C of drying in baking oven after filtering
10-15h, then waste old powder is placed in plasma processing apparatus, carry out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, utilized
Nitrogen is warming up to 40-60 DEG C by the air displacement in autoclave, by autoclave, and propylene oxide is added, after finishing
It is warming up to 110-140 DEG C, insulation reaction 5-10h, cooled to room temperature, with sulfuric acid solution regulation system pH to neutrality, decompression
Toluene, which is distilled off, can be obtained hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, mechanical stirring makes basalt fibre scatter, and is placed in ultrasonic wave hair
400-800W stops after handling 2-5h in generating apparatus, and suction filtration takes out basalt fibre, is filtered after cleaning repeatedly, at 60-80 DEG C
Lower baking oven drying, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, foam stabiliser, catalyst, deionized water and fire retardant are mixed
It is uniformly used as component A, using isocyanates as B component, using waste old powder and surface treated basalt fiber as C group
Point, first component A and B component are added in super mixer, control super mixer revolving speed as 800-1000r/min mixing
10-20min, then component C is added, raising revolving speed is 1200-1300r/min mixing 5-10min, and mixed material is injected into mold
In, then mold is transferred in baking oven after 60-80 DEG C of foaming 5-10h and demoulds 60-80 DEG C of curing 5-10h again finished product can be obtained.
Further, the weight ratio of hemicellulose, glycerol, toluene and potassium hydroxide is 10-20:1:120-150:0.1-
0.5。
Further, the mass concentration of sulfuric acid solution is 0.1-1%.
Further, the mass ratio of basalt fibre and glacial acetic acid is 1:6-15.
Further, the foam stabiliser is that lauryl sodium sulfate and sulfonated castor oil 1-5:1-5 in mass ratio are mixed
It closes.
Further, the catalyst is pyridine, triethylamine, any one in triethylenediamine.
Further, the fire retardant is compounded by Sb system fire retardant and molybdenum system fire retardant, and the Sb system fire retardant is
One or both of antimony oxide, antimony pentoxide, the molybdenum system fire retardant are molybdenum trioxide.
Further, the isocyanates is toluene di-isocyanate(TDI), isophorone diisocyanate, diphenyl methane two
It is isocyanates, dicyclohexyl methyl hydride diisocyanate, hexamethylene diisocyanate, any one in lysine diisocyanate
Kind.
(3) beneficial effect
The present invention provides a kind of production method of waste old powder filled polyurethane plastics, have below beneficial to effect
Fruit:
At present there is also waste rubber powder is added to the precedent in rubber and plastics, but due to waste rubber powder and modeling
The interfacial bond property of material is poor, and waste rubber powder is reunited seriously during the preparation process, difficulties in dispersion, so there is no real meanings
Upper application produces, and first handles to introduce on its surface to waste old powder with sodium hypochlorite and hydrochloric acid in the present invention and live
Property hydroxyl and carboxyl, improve compatibility, corona treatment can further activate these oxygen-containing groups, so greatly improving
The workability and dispersibility of waste rubber powder in the plastic, hemicellulose is one of main component of plant cell wall, in master
It is the ideal object for carrying out chemical functional groupization containing a large amount of active hydroxyls on chain and side chain, manufactured hemicellulose group is poly-
Ethoxylated polyhydric alcohol reactivity is high, and reaction speed is fast, and the modified basalt fibre in surface forms solid bone in plastics, can be with
Its resistance to compression, shock resistance are greatly promoted, surface is detected, polyurethane plastics of the present invention has good mechanical property, can
Meet general use demand.
Specific embodiment
Embodiment 1:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 45 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 40min, waste old powder is placed in 60 DEG C of dry 15h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 20:1:130:0.2, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 60 DEG C, propylene oxide is added, be warming up to 120 DEG C after finishing, insulation reaction 10h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.3% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:15, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 600W in ultrasonic generator and stops after handling 2-5h, filters basalt fibre
It takes out, is filtered after cleaning repeatedly, baking oven is dried at 80 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 1:1 in mass ratio are mixed
Fire retardant made of foam stabiliser, catalyst pyridine made of conjunction, deionized water, antimony pentoxide and molybdenum trioxide compounding is mixed
It closes and is uniformly used as component A, it is fine with the modified basalt of waste old powder and surface using lysine diisocyanate as B component
Dimension is used as component C, and first component A and B component are added in super mixer, and control super mixer revolving speed is 1000r/min
15min is mixed, then component C is added, raising revolving speed is 1300r/min mixing 8min, and mixed material is injected into mold, then will
Mold, which is transferred in baking oven after 65 DEG C of foaming 10h, to be demoulded 60 DEG C of curing 8h again finished product can be obtained.
Embodiment 2:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 50 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 30min, waste old powder is placed in 60 DEG C of dry 12h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 12:1:120:0.1, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 40 DEG C, propylene oxide is added, be warming up to 110 DEG C after finishing, insulation reaction 10h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.1% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:6, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 800W in ultrasonic generator and stops after handling 2h, suction filtration takes basalt fibre
Out, it filters repeatedly after cleaning, baking oven is dried at 80 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 2:5 in mass ratio are mixed
Foam stabiliser made of conjunction, catalyst triethylenediamine, deionized water, antimony oxide, antimony pentoxide and molybdenum trioxide
Fire retardant made of compounding be uniformly mixed be used as component A, using toluene di-isocyanate(TDI) as B component, with waste old powder with
Component A and B component are first added in super mixer by surface treated basalt fiber as component C, control super mixer
Revolving speed is 800r/min mixing 15min, then component C is added, and raising revolving speed is 1300r/min mixing 5min, mixed material note
Enter into mold, then mold is transferred in baking oven after 70 DEG C of foaming 8h and demoulds 60 DEG C of curing 5h again finished product can be obtained.
Embodiment 3:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 50 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 50min, waste old powder is placed in 60 DEG C of dry 12h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 20:1:150:0.1, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 50 DEG C, propylene oxide is added, be warming up to 110 DEG C after finishing, insulation reaction 6h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.1% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:12, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 600W in ultrasonic generator and stops after handling 2h, suction filtration takes basalt fibre
Out, it filters repeatedly after cleaning, baking oven is dried at 60-80 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 2:1 in mass ratio are mixed
It is hindered made of foam stabiliser made of conjunction, catalyst triethylenediamine, deionized water, antimony pentoxide and molybdenum trioxide compounding
Combustion agent, which is uniformly mixed, to be changed as component A using methyl diphenylene diisocyanate as B component with waste old powder and surface
Property basalt fibre as component C, first component A and B component are added in super mixer, control super mixer revolving speed be
800r/min mixing 12min, then component C is added, raising revolving speed is 1300r/min mixing 10min, and mixed material is injected into mould
In tool, then mold is transferred in baking oven after 60 DEG C of foaming 10h and demoulds 60 DEG C of curing 8h again finished product can be obtained.
Embodiment 4:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 50 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 40min, waste old powder is placed in 65 DEG C of dry 12h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 10:1:150:0.5, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 50 DEG C, propylene oxide is added, be warming up to 120 DEG C after finishing, insulation reaction 10h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.3% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:8, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 600W in ultrasonic generator and stops after handling 5h, suction filtration takes basalt fibre
Out, it filters repeatedly after cleaning, baking oven is dried at 70 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 1:2 in mass ratio are mixed
Fire retardant made of foam stabiliser, catalyst of triethylamine made of conjunction, deionized water, antimony oxide and molybdenum trioxide compounding
It is uniformly mixed and is used as component A, it is modified with waste old powder and surface using dicyclohexyl methyl hydride diisocyanate as B component
Component A and B component are first added in super mixer by basalt fibre as component C, and control super mixer revolving speed is
800r/min mixing 15min, then component C is added, raising revolving speed is 1300r/min mixing 8min, and mixed material is injected into mould
In tool, then mold is transferred in baking oven after 70 DEG C of foaming 10h and demoulds 80 DEG C of curing 5h again finished product can be obtained.
Embodiment 5:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 40 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 30min, waste old powder is placed in 60 DEG C of dry 10h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 10:1:120:0.1, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 40 DEG C, propylene oxide is added, be warming up to 110 DEG C after finishing, insulation reaction 5h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.1% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:6, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 400W in ultrasonic generator and stops after handling 2h, suction filtration takes basalt fibre
Out, it filters repeatedly after cleaning, baking oven is dried at 60 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 1:1 in mass ratio are mixed
Foam stabiliser, catalyst pyridine made of conjunction, deionized water, antimony oxide, antimony pentoxide and molybdenum trioxide compounding and
At fire retardant be uniformly mixed be used as component A, using isophorone diisocyanate as B component, with waste old powder and table
Component A and B component are first added in super mixer by face treated basalt fiber as component C, and control super mixer turns
Speed is 1000r/min mixing 15min, then component C is added, and raising revolving speed is 1300r/min mixing 5min, mixed material injection
Into mold, then mold is transferred in baking oven after 80 DEG C of foaming 5h and demoulds 60 DEG C of curing 5h again finished product can be obtained.
Embodiment 6:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 50 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 60min, waste old powder is placed in 80 DEG C of dry 15h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 20:1:150:0.5, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 60 DEG C, propylene oxide is added, be warming up to 140 DEG C after finishing, insulation reaction 10h is naturally cold
But to room temperature, for the sulfuric acid solution regulation system pH for being 1% with mass concentration to neutrality, vacuum distillation, which removes toluene, can be obtained half
Cellulose base polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:15, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 800W in ultrasonic generator and stops after handling 5h, suction filtration takes basalt fibre
Out, it filters repeatedly after cleaning, baking oven is dried at 80 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 5:1 in mass ratio are mixed
It is hindered made of foam stabiliser made of conjunction, catalyst triethylenediamine, deionized water, antimony oxide and molybdenum trioxide compounding
It fires agent to be uniformly mixed as component A, using toluene di-isocyanate(TDI) as B component, with the modified Black Warrior of waste old powder and surface
Component A and B component are first added in super mixer by rock fiber as component C, and control super mixer revolving speed is 800r/
Min mixing 20min, then component C is added, raising revolving speed is 1300r/min mixing 10min, and mixed material is injected into mold,
Mold is transferred in baking oven after 80 DEG C of foaming 10h again and demoulds 80 DEG C of curing 10h again finished product can be obtained.
Embodiment 7:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 40 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 60min, waste old powder is placed in 60 DEG C of dry 15h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 10:1:150:0.1, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 60 DEG C, propylene oxide is added, be warming up to 110 DEG C after finishing, insulation reaction 10h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.1% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:15, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 400W in ultrasonic generator and stops after handling 2-5h, filters basalt fibre
It takes out, is filtered after cleaning repeatedly, baking oven is dried at 80 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 1:5 in mass ratio are mixed
Fire retardant made of foam stabiliser, catalyst pyridine made of conjunction, deionized water, antimony oxide and molybdenum trioxide compounding is mixed
It closes and is uniformly used as component A, it is fine with the modified basalt of waste old powder and surface using lysine diisocyanate as B component
Dimension is used as component C, and first component A and B component are added in super mixer, and control super mixer revolving speed is 1000r/min
10min is mixed, then component C is added, raising revolving speed is 1300r/min mixing 5min, and mixed material is injected into mold, then will
Mold, which is transferred in baking oven after 80 DEG C of foaming 5h, to be demoulded 80 DEG C of curing 5h again finished product can be obtained.
Embodiment 8:
A kind of production method of waste old powder filled polyurethane plastics, comprising the following steps:
(1) waste old powder is add to deionized water, is warming up to 50 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 30min, waste old powder is placed in 80 DEG C of dry 10h in baking oven after filtering, then will give up
Old rubber powder is placed in plasma processing apparatus, carries out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, half fiber
The weight ratio for tieing up element, glycerol, toluene and potassium hydroxide is 20:1:120:0.5, is set the air in autoclave using nitrogen
It changes, autoclave is warming up to 60 DEG C, propylene oxide is added, be warming up to 110 DEG C after finishing, insulation reaction 10h is naturally cold
But to room temperature, to neutrality, vacuum distillation removes toluene and can be obtained the sulfuric acid solution regulation system pH for being 0.1% with mass concentration
Hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, the mass ratio of basalt fibre and glacial acetic acid is 1:15, and machinery stirs
Mixing makes basalt fibre scatter, and is placed in 400W in ultrasonic generator and stops after handling 5h, suction filtration takes basalt fibre
Out, it filters repeatedly after cleaning, baking oven is dried at 60 DEG C, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, lauryl sodium sulfate and sulfonated castor oil 1:1 in mass ratio are mixed
It is hindered made of foam stabiliser made of conjunction, catalyst triethylenediamine, deionized water, antimony oxide and molybdenum trioxide compounding
Agent is fired to be uniformly mixed as component A, it is profound with waste old powder and surface modification using lysine diisocyanate as B component
Component A and B component are first added in super mixer by military rock fiber as component C, and control super mixer revolving speed is
1000r/min mixing 15min, then component C is added, raising revolving speed is 1300r/min mixing 5min, and mixed material is injected into mould
In tool, then mold is transferred in baking oven after 70 DEG C of foaming 8h and demoulds 70 DEG C of curing 8h again finished product can be obtained.
The following table 1 is the performance test results of 1-3 of embodiment of the present invention polyurethane plastics:
Table 1:
By upper table 1 it is found that polyurethane plastics of the present invention has good mechanical property, general use demand can satisfy.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features；And these modification or
Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of production method of waste old powder filled polyurethane plastics, which comprises the following steps:
(1) waste old powder is add to deionized water, is warming up to 40-50 DEG C, after being sufficiently stirred again by sodium hypochlorite and
Hydrochloric acid is added, and finishes rear stir process 30-60min, waste old powder is placed in 60-80 DEG C of dry 10- in baking oven after filtering
15h, then waste old powder is placed in plasma processing apparatus, carry out plasma treatment；
(2) hemicellulose drying is placed in autoclave, then glycerol, toluene and potassium hydroxide is added, utilize nitrogen
By the air displacement in autoclave, autoclave is warming up to 40-60 DEG C, propylene oxide is added, heated up after finishing
To 110-140 DEG C, insulation reaction 5-10h, cooled to room temperature is evaporated under reduced pressure with sulfuric acid solution regulation system pH to neutrality
Removing toluene can be obtained hemicellulose based polyether polyol；
(3) basalt fibre is added in glacial acetic acid, mechanical stirring makes basalt fibre scatter, and is placed in ultrasonic wave and fills
Stop after setting 400-800W processing 2-5h, suction filtration takes out basalt fibre, filters after cleaning, dries repeatedly at 60-80 DEG C
Case drying, obtains surface treated basalt fiber；
(4) above-mentioned hemicellulose based polyether polyol, foam stabiliser, catalyst, deionized water and fire retardant are uniformly mixed
As component A, using isocyanates as B component, using waste old powder and surface treated basalt fiber as component C, first
Component A and B component are added in super mixer, control super mixer revolving speed is 800-1000r/min mixing 10-
20min, then component C is added, raising revolving speed is 1200-1300r/min mixing 5-10min, and mixed material is injected into mold,
Mold is transferred in baking oven after 60-80 DEG C of foaming 5-10h again and demoulds 60-80 DEG C of curing 5-10h again finished product can be obtained.
2. the production method of waste old powder filled polyurethane plastics as described in claim 1, which is characterized in that hemicellulose
Element, glycerol, toluene and potassium hydroxide weight ratio be 10-20:1:120-150:0.1-0.5.
3. the production method of waste old powder filled polyurethane plastics as described in claim 1, which is characterized in that sulfuric acid is molten
The mass concentration of liquid is 0.1-1%.
4. the production method of waste old powder filled polyurethane plastics as described in claim 1, which is characterized in that basalt
The mass ratio of fiber and glacial acetic acid is 1:6-15.
5. the production method of waste old powder filled polyurethane plastics as described in claim 1, which is characterized in that the bubble
Foam stabilizers are that lauryl sodium sulfate is mixed with sulfonated castor oil 1-5:1-5 in mass ratio.
6. the production method of waste old powder filled polyurethane plastics as claimed in claim 5, which is characterized in that described to urge
Agent is pyridine, triethylamine, any one in triethylenediamine.
7. the production method of waste old powder filled polyurethane plastics as described in claim 1, which is characterized in that the resistance
Combustion agent is compounded by Sb system fire retardant and molybdenum system fire retardant, and the Sb system fire retardant is antimony oxide, in antimony pentoxide
One or two, the molybdenum system fire retardant be molybdenum trioxide.
8. the production method of waste old powder filled polyurethane plastics as described in claim 1, which is characterized in that described different
Cyanate is toluene di-isocyanate(TDI), isophorone diisocyanate, methyl diphenylene diisocyanate, dicyclohexyl methyl hydride two
Isocyanates, hexamethylene diisocyanate, any one in lysine diisocyanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224386.7A CN109912963A (en) | 2019-03-23 | 2019-03-23 | A kind of production method of waste old powder filled polyurethane plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224386.7A CN109912963A (en) | 2019-03-23 | 2019-03-23 | A kind of production method of waste old powder filled polyurethane plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109912963A true CN109912963A (en) | 2019-06-21 |
Family
ID=66966455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224386.7A Pending CN109912963A (en) | 2019-03-23 | 2019-03-23 | A kind of production method of waste old powder filled polyurethane plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109912963A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964309A (en) * | 2019-12-11 | 2020-04-07 | 泉州玺堡家居科技有限公司 | High-hardness sponge and processing technology thereof |
| CN114057283A (en) * | 2021-09-10 | 2022-02-18 | 南京华创环境技术研究院有限公司 | Light nitrogen and phosphorus removal filler utilizing pyrite to modify waste polyurethane and preparation method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3141294A (en) * | 1960-05-31 | 1964-07-21 | Aerojet General Co | Propulsion method employing resonance suppressor |
| CN102153775A (en) * | 2011-03-25 | 2011-08-17 | 中北大学 | Surface treatment method for enhancing adhesive property of vulcanized natural rubber |
| CN102391639A (en) * | 2011-09-30 | 2012-03-28 | 常熟市星源金属涂层厂 | Polyurethane and rubber foamed compound material and preparation method thereof |
| CN103059247A (en) * | 2012-12-21 | 2013-04-24 | 浙江华峰新材料股份有限公司 | Method for filling polyurethane sole with waste rubber |
| US8807216B2 (en) * | 2009-06-15 | 2014-08-19 | Halliburton Energy Services, Inc. | Cement compositions comprising particulate foamed elastomers and associated methods |
| CN106617482A (en) * | 2016-11-17 | 2017-05-10 | 无锡市长安曙光手套厂 | Wear-resistant sole with poly (ether ester) type polyurethane microporous elastomer |
| CN106700060A (en) * | 2016-12-02 | 2017-05-24 | 南京林业大学 | Preparation method of hemicellulose-based polyether polyol |
| CN108329449A (en) * | 2018-02-13 | 2018-07-27 | 南京林业大学 | A kind of hemicellulose group hard polyurethane foam and preparation method thereof |
-
2019
- 2019-03-23 CN CN201910224386.7A patent/CN109912963A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3141294A (en) * | 1960-05-31 | 1964-07-21 | Aerojet General Co | Propulsion method employing resonance suppressor |
| US8807216B2 (en) * | 2009-06-15 | 2014-08-19 | Halliburton Energy Services, Inc. | Cement compositions comprising particulate foamed elastomers and associated methods |
| CN102153775A (en) * | 2011-03-25 | 2011-08-17 | 中北大学 | Surface treatment method for enhancing adhesive property of vulcanized natural rubber |
| CN102391639A (en) * | 2011-09-30 | 2012-03-28 | 常熟市星源金属涂层厂 | Polyurethane and rubber foamed compound material and preparation method thereof |
| CN103059247A (en) * | 2012-12-21 | 2013-04-24 | 浙江华峰新材料股份有限公司 | Method for filling polyurethane sole with waste rubber |
| CN106617482A (en) * | 2016-11-17 | 2017-05-10 | 无锡市长安曙光手套厂 | Wear-resistant sole with poly (ether ester) type polyurethane microporous elastomer |
| CN106700060A (en) * | 2016-12-02 | 2017-05-24 | 南京林业大学 | Preparation method of hemicellulose-based polyether polyol |
| CN108329449A (en) * | 2018-02-13 | 2018-07-27 | 南京林业大学 | A kind of hemicellulose group hard polyurethane foam and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 李红强: "《胶粘原理、技术及应用》", 31 January 2014, 华南理工大学出版社 * |
| 肖建军，等: "次氯酸钠酸溶液处理对废旧轮胎橡胶表面润湿性的影响", 《化工新型材料》 * |
| 陶玉虎，等: "改性玄武岩纤维/天然橡胶复合材料的制备及性能研究", 《化工新型材料》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110964309A (en) * | 2019-12-11 | 2020-04-07 | 泉州玺堡家居科技有限公司 | High-hardness sponge and processing technology thereof |
| CN114057283A (en) * | 2021-09-10 | 2022-02-18 | 南京华创环境技术研究院有限公司 | Light nitrogen and phosphorus removal filler utilizing pyrite to modify waste polyurethane and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104672414B (en) | A kind of method that waste polyurethane elastomer recovery prepares polyurethane heat insulation material | |
| CN105670039B (en) | It is a kind of high at charcoal expansible graphite and its application in hard polyurethane foam | |
| CN106883588B (en) | One kind is for super-hydrophobic luffa of water-oil separating and preparation method thereof | |
| CN109912963A (en) | A kind of production method of waste old powder filled polyurethane plastics | |
| CN101942190B (en) | Polyurethane foam and preparation method thereof | |
| CN101550244A (en) | Composite soft heat insulating material, preparation method and applications thereof | |
| CN103665870A (en) | Recovery and reutilization method of waste composite insulator silicon rubber material | |
| CN111533876B (en) | Reactive nitrogen-phosphorus modified graphene modified polyurethane flame-retardant material and preparation method thereof | |
| CN107012692A (en) | A kind of production method of bio-based no-solvent polyurethane synthetic leather | |
| CN102504331A (en) | Degrading method for recovering polyurethane | |
| CN104290168B (en) | The preparation method of aqueous polyurethane heat cure composite fiber plate | |
| CN102924747B (en) | Method for degrading and recycling waste solid polyurethane | |
| CN106117668A (en) | A kind of corrosion resistant rubber composite of antistatic and preparation method thereof | |
| CN116514400B (en) | Method for preparing foam glass by using waste glass fiber blades and waste carbon fiber blades | |
| CN105646815B (en) | A kind of preparation method of mine tailing and stalk cellulose enhancing polyurethane/epoxy resin insulation wallboard | |
| CN110283351A (en) | A kind of flame retarded rigid polyurethane foams plastics and preparation method thereof | |
| CN106977689B (en) | A kind of preparation method and application of aqueous polyurethane | |
| CN110172214A (en) | A kind of flame-retardant polystyrene thermal insulation material and preparation method thereof | |
| CN109851747A (en) | A kind of aqueous polyurethane heat-barrier material and preparation method thereof | |
| CN104004241B (en) | A kind of preparation method of coal-based functional enhancing powder body material | |
| CN109293870A (en) | A kind of cellulose base hard polyurethane foam and preparation method thereof | |
| CN103726322B (en) | Flue filtering material Final finishing intumescent coating glue, preparation method and using method | |
| CN110105522B (en) | Preparation method of waste paint slag polyurethane foam material | |
| CN110229322A (en) | Flame retardant polyester polyalcohol and preparation method and applications | |
| CN111333810A (en) | Polyurethane rigid foam material, preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190621 |
|
| WD01 | Invention patent application deemed withdrawn after publication |