CN109867845A - A kind of plastics and preparation method thereof of anti-aging antistatic - Google Patents
A kind of plastics and preparation method thereof of anti-aging antistatic Download PDFInfo
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- CN109867845A CN109867845A CN201811605291.1A CN201811605291A CN109867845A CN 109867845 A CN109867845 A CN 109867845A CN 201811605291 A CN201811605291 A CN 201811605291A CN 109867845 A CN109867845 A CN 109867845A
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Abstract
The present invention provides a kind of plastics and preparation method thereof of anti-aging antistatic, the plastics include following components: 80 ~ 100 parts of polyvinyl resin, 10 ~ 20 parts of natural rubber, 1 ~ 10 part of graphene, 10 ~ 20 parts of white carbon black, 0 ~ 6 part of glycerol, 5 ~ 8 parts of rare earth oxide, 2 ~ 3 parts of stearic acid, 10 ~ 20 parts of montmorillonite, 5 ~ 10 parts of kaolin, 3 ~ 8 parts of light stabilizer.The beneficial effect is that the anti-aging antistatic plastic has very big promotion in terms of stretch-proof, the mechanical characteristics such as tear-proof；With moisture-proof, heat-resisting, the anti-aging property of UV resistance can significantly extend the service life of plastics；The preparation method is simple, and production cost is low.
Description
Technical field
The invention belongs to plastic material technical fields, more particularly, to the plastics and its system of a kind of anti-aging antistatic
Preparation Method.
Background technique
Plastics are, by high-molecular compound made of addition polymerization or polycondensation polymerized, to be commonly called as plastics using monomer as raw material
(plastics) or resin (resin), can freely change ingredient and body styles, by synthetic resin and filler, plasticizer,
The additives such as stabilizer, lubricant, colorant composition.Synthetic resin is the main ingredient of plastics, content one in the plastic
As 40%~100%.Resin is a kind of unprocessed original polymer, it be applied not only to manufacture plastics, but also be coating,
The raw material of adhesive and synthetic fibers.
Plastic material is usually the high molecular synthetic material of chain structure, and when heating melts, and becomes solid after cooling, heats
It can melt again afterwards, thus there is thermoplasticity.This high molecular material can be used for multiple times with reprocessabilty, and film can be made, draw
At silk or required various situations are pressed into, for industry, agricultural and daily life etc..Chain high molecular material has density
The advantages that small, corrosion-resistant, easy processing, it is widely used in the numerous areas of people's production and living.For example, vinyon, poly- third
Alkene plastics, phenoplasts, urea-formaldehyde plastics etc..
It in use process under plastic material natural conditions, is illuminated by the light, the influence of temperature, the factors such as wind easily occurs always
Change, wherein mainly photooxidation resistance.The chemical bond of ultraviolet damage polymer in sunlight causes autoxidation degradation reaction,
Make synthetic material molecular chain rupture, generate free radicals or excited state molecule, generates hydroperoxides or carbonyls or generation
Crosslinking.The raising of carbonyl content makes plastics be easier to that light degradation reaction occurs again.Degradation reaction caused by light and heat can not only change
Become the appearance of plastic products, but also its physical and mechanical property can be reduced, uses function until losing.
Summary of the invention
It is directed to problem above, the present invention provides a kind of plastics of anti-aging antistatic, and the plastics include following components:
80 ~ 100 parts of polyvinyl resin, 10 ~ 20 parts of natural rubber, 1 ~ 10 part of graphene, 10 ~ 20 parts of plant source white carbon black, glycerol 0
~ 6 parts, 2 ~ 20 parts of rare earth oxide, 2 ~ 3 parts of stearic acid, 10 ~ 20 parts of montmorillonite, 5 ~ 10 parts of kaolin, 3 ~ 8 parts of light stabilizer；Its
In, the plant source white carbon black the preparation method is as follows:
S11: weighing Silicon-rich plant material and clean and impregnate 10 ~ 12h, and 1:2 ~ 4 adds the acid solution processing 4 of 1 ~ 2mol/L by volume
Drying is filtered after ~ 6h, is heated to 600 ~ 800 DEG C of 2 ~ 4h of holding, and ashy substance is made；
S12: the aqueous slkali that ashy substance obtained by S11 is 5 ~ 25% with mass fraction is mixed with solid-to-liquid ratio 1:8 ~ 15,100 ~
120 DEG C of 2 ~ 4h of processing, filtering, take filtrate；
S13: taking filtrate obtained by S12, and dehydrated alcohol is added, and adjusting pH is 7, obtains emulsion, is centrifuged, suction filtration dry plant source is white
Carbon black.
Polyethylene (PE) has good processing performance, mechanical property, chemically-resistant corruption as one of five big synthetic resin
Corrosion energy, resistance to low temperature, and have source wide, the advantages such as price is low, are the main compositions of common plastics.
Natural rubber elasticity with higher at normal temperature, slightly band plasticity, have extraordinary mechanical strength, hysteresis loss
Small, flexible resistance is good, and addition may also function as the effect of antistatic.
White carbon black is the general name of white powder X-ray amorphous silicic acid and silicate product, is primarily referred to as precipitating dioxy
SiClx, fumed silica and superfine silicon dioxide gel also include powdered synthetic aluminium silicate and calcium silicates etc..To polyethylene
There are excellent light shield effect, while adhesion strength with super strength, tear-proof and heat-resisting anti-aging property.It is planted from Silicon-rich such as rice husks
It is easy that white carbon black, abundance, and method are obtained in object.
Graphene is one of highest material of known strength, while also having good toughness, and addition graphene can mention
The thermal stability of high density polyethylene, ductility, and graphene have good absorptivity, thus anti-aging aspect effect is aobvious again
It writes.
The addition of rare earth oxide makes the thermal stability tool of plastic substrate be significantly improved, simultaneously because solids are strong
The entanglement effect of strand in plastic material is changed, and so that the mechanical property of matrix is increased, therefore rare earth oxide is being moulded
Expect to achieve better effects in the modification of thermal stability.
Further, Silicon-rich plant material is one of diatom, rice husk, scouring rush or meadow pine or a variety of in the step S11.
Further, Silicon-rich plant material is rice husk in the step S11.
Further, acid solution is one of hydrochloric acid, sulfuric acid or nitric acid solution in the step S11, and aqueous slkali is hydrogen-oxygen
Change sodium or potassium hydroxide.
Further, the rare earth oxide is one of lanthana, cerium oxide or neodymia or a variety of.
Further, the rare earth oxide content is 5 ~ 8%.
Further, the light stabilizer is zinc oxide and/or titanium dioxide.
Further, the number of plies of the graphene is single layer and/or multilayer.
Further, the number of plies of the graphene is any one natural number number of plies in 1 ~ 30 layer.
A kind of preparation method of the plastics of anti-aging antistatic, described method includes following steps:
S1: weighing polyvinyl resin, and 150 ~ 200 DEG C are heated to melting completely, and rare earth oxide is then added and stirs 0.5 ~ 1h,
Mixing speed is 400 ~ 800r/min, obtains mixture 1；
S2: weighing natural rubber, and graphene is added glycerol and stearic acid after the mixing of plant source white carbon black, is kneaded, and heating temperature is
100 ~ 120 DEG C, heat mixed 10 ~ 20 min, cold mixed 5 ~ 10 min, mixing 1000 ~ 1500 r/min of revolving speed obtain mixture 2；
S3: by step S1, mixture 1 obtained by S2 and mixture 2 mixed melting again, and light stabilizer is sequentially added, montmorillonite,
Kaolin is forced into 1 ~ 5MPa, keeps 10 ~ 15min up to the plastics of anti-aging antistatic.
Compared with the existing technology, the present invention has the advantage that and effect:
The anti-aging antistatic plastic has very big promotion in terms of stretch-proof, the mechanical characteristics such as tear-proof；
The anti-aging antistatic plastic has moisture-proof, heat-resisting, the anti-aging property of UV resistance, and can significantly extend plastics uses the longevity
Life；
The preparation method of the anti-aging antistatic plastic is simple, and production cost is low.
Specific embodiment
Further illustrate the present invention below in conjunction with specific embodiment, but embodiment the present invention is not done it is any type of
It limits.Unless stated otherwise, the present invention uses reagent, method and apparatus is the art conventional reagents, method and apparatus.
Unless stated otherwise, agents useful for same and material of the present invention are commercially available.
Embodiment 1:
(1) preparation of plant source white carbon black
S11: weighing rice husk 500g and clean and impregnate 10h, filters drying after adding the hydrochloric acid solution 1L processing 4h of 1mol/L, is heated to
Rice hull ash is made in 600 DEG C of holding 2h；
S12: the sodium hydroxide solution that rice hull ash obtained by S11 is 5% with mass fraction is mixed with solid-to-liquid ratio 1:8,100 ~ 120
DEG C processing 2h, filtering, take filtrate；
S13: taking filtrate obtained by S12, and dehydrated alcohol is added, and adjusting pH is 7, obtains emulsion, and 800r/min is centrifuged 5min, filters
Dry to obtain plant source white carbon black powder.
(2) preparation of the plastics of anti-aging antistatic
Following substance is weighed by component:
Polyvinyl resin 800g, natural rubber 100g, graphene 10g, plant source white carbon black 100g, glycerol 10g, rare earth oxide
50g, stearic acid 20g, montmorillonite 100g, kaolin 50g, zinc oxide 30g；
S1: by polyvinyl resin, 150 DEG C are heated to melting completely, and rare earth oxide is then added and stirs 0.5h, mixing speed
For 400r/min, mixture 1 is obtained；
S2: by natural rubber, graphene is added glycerol and stearic acid after the mixing of plant source white carbon black, is kneaded, and heating temperature is
100 DEG C, heat mixed 10 min, cold mixed 5 min, mixing 1000 r/min of revolving speed obtain mixture 2；
S3: by step S1, mixture 1 obtained by S2 and mixture 2 mixed melting again, and light stabilizer is sequentially added, montmorillonite,
Kaolin is forced into 1MPa, keeps 10min up to the plastics of anti-aging antistatic.
Embodiment 2:
(1) preparation of plant source white carbon black
S11: weighing diatom 500g and clean and impregnate 12h, filters drying, heating after adding the sulfuric acid solution 1L processing 5h of 1.5mol/L
To 800 DEG C of holding 3h, diatom ash is made；
S12: the sodium hydroxide solution that rice hull ash obtained by S11 is 10% with mass fraction is mixed with solid-to-liquid ratio 1:10,120 DEG C
3h is handled, filtering takes filtrate；
S13: taking filtrate obtained by S12, and dehydrated alcohol is added, and adjusting pH is 7, obtains emulsion, and 1000r/min is centrifuged 5min, filters
Dry to obtain plant source white carbon black powder.
(2) preparation of the plastics of anti-aging antistatic
Following substance is weighed by component:
Polyvinyl resin 800g, natural rubber 150g, graphene 10g, plant source white carbon black 150g, glycerol 30g, rare earth oxide
60g, stearic acid 20g, montmorillonite 150g, kaolin 50g, titanium dioxide 30g；
S1: by polyvinyl resin, 180 DEG C are heated to melting completely, and rare earth oxide is then added and stirs 1h, mixing speed is
800r/min obtains mixture 1；
S2: by natural rubber, graphene is added glycerol and stearic acid after the mixing of plant source white carbon black, is kneaded, and heating temperature is
120 DEG C, heat mixed 15min, cold mixed 5 min, mixing 1000 r/min of revolving speed obtain mixture 2；
S3: by step S1, mixture 1 obtained by S2 and mixture 2 mixed melting again, and light stabilizer is sequentially added, montmorillonite,
Kaolin is forced into 3MPa, keeps 10min up to the plastics of anti-aging antistatic.
Embodiment 3:
(1) preparation of plant source white carbon black
S11: weighing rice husk 500g and clean and impregnate 12h, filters drying after adding the hydrochloric acid solution 2L processing 4h of 2mol/L, is heated to
Rice hull ash is made in 600 DEG C of holding 2h；
S12: the potassium hydroxide solution that rice hull ash obtained by S11 is 10% with mass fraction is mixed with solid-to-liquid ratio 1:10,120 DEG C
4h is handled, filtering takes filtrate；
S13: taking filtrate obtained by S12, and dehydrated alcohol is added, and adjusting pH is 7, obtains emulsion, and 1000r/min is centrifuged 5min, filters
Dry to obtain plant source white carbon black powder.
(2) preparation of the plastics of anti-aging antistatic
Following substance is weighed by component:
Polyvinyl resin 1000g, natural rubber 200g, graphene 10g, plant source white carbon black 200g, 80g parts of rare earth oxide,
Stearic acid 3g, montmorillonite 20g, kaolin 10g, zinc oxide 80g；
S1: by polyvinyl resin, 150 DEG C are heated to melting completely, and rare earth oxide is then added and stirs 1h, mixing speed is
800r/min obtains mixture 1；
S2: by natural rubber, graphene is added stearic acid after the mixing of plant source white carbon black, is kneaded, and heating temperature is 120 DEG C, heat
Mixed 20 min, cold mixed 10 min, are kneaded 1500 r/min of revolving speed, obtain mixture 2；
S3: by step S1, mixture 1 obtained by S2 and mixture 2 mixed melting again, and light stabilizer is sequentially added, montmorillonite,
Kaolin is forced into 5MPa, keeps 15min up to the plastics of anti-aging antistatic.
Comparative example
Following substance is weighed by component:
Polyvinyl resin 1000g, natural rubber 200g, 80g parts of rare earth oxide, stearic acid 3g, montmorillonite 20g, kaolin
10g, zinc oxide 80g；
S1: by polyvinyl resin, 150 DEG C are heated to melting completely, and rare earth oxide is then added and stirs 1h, mixing speed is
800r/min obtains mixture 1；
S2: being added stearic acid for natural rubber, is kneaded, and heating temperature is 120 DEG C, and heat mixes 20 min, and cold mixed 10 min are kneaded
1500 r/min of revolving speed, obtains mixture 2；
S3: by step S1, mixture 1 obtained by S2 and mixture 2 mixed melting again, and light stabilizer is sequentially added, montmorillonite,
Kaolin is forced into 5MPa, keeps 15min up to the plastics of anti-aging antistatic.
The difference of comparative example and embodiment 3 is: not adding graphene and plant source white carbon black.
Application experiment example
Physical and mechanical property test is carried out to three above embodiment and comparative example material prepared.Experimental method is as follows:
Senile experiment by A law regulation in GB/T 16422. 2-1999 " plastics test thing light source exposure experimental method " into
Row, blackboard temperature are (65 ± 3) DEG C, and relative humidity is (50 ± 5) %, and ageing time is 500 h.Sample dimensions
The mm of 200 mm × 100mm × 1, every group of 3 test specimens.
Tensile strength and elongation at break test are according to deferring to national standard " plastic tensile method for testing performance GB/
T1040-92 " it carries out.Sample gauge length segment length is 40 mm, and tensile speed is 15 mm/min.It is set suffered by sample in experiment
When pulling force declines 10% or sample fracture suddenly, experiment is automatically stopped.Thickness of sample uses the portable calibrator of XCS-10 type
(0.01 mm of precision) measurement, other original sizes use vernier caliper measurement.To breaked sample, used immediately after unloading
Steel Ruler (1 mm of minimum scale) measures length.
Table 1
As described in Table 1, in embodiment and control group plastic sample tensile strength, elongation at break is all with the increasing of ageing time
It grows and reduces, but the tensile strength of embodiment plastic sample and elongation at break are obviously more preferable compared with comparative example, the 500h testing time
It is still able to maintain higher mechanical performance afterwards, shows that plastic sample prepared by the present invention has apparent anti-aging property.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. a kind of plastics of anti-aging antistatic, which is characterized in that the plastics include following components:
80 ~ 100 parts of polyvinyl resin, 10 ~ 20 parts of natural rubber, 1 ~ 10 part of graphene, 10 ~ 20 parts of plant source white carbon black, glycerol 0
~ 6 parts, 2 ~ 20 parts of rare earth oxide, 2 ~ 3 parts of stearic acid, 10 ~ 20 parts of montmorillonite, 5 ~ 10 parts and 3 ~ 8 parts of light stabilizer of kaolin；
Wherein, the plant source white carbon black the preparation method is as follows:
S11: weighing Silicon-rich plant material and clean and impregnate 10 ~ 12h, and 1:2 ~ 4 adds the acid solution processing 4 of 1 ~ 2mol/L by volume
Drying is filtered after ~ 6h, is heated to 600 ~ 800 DEG C of 2 ~ 4h of holding, and ashy substance is made；
S12: the aqueous slkali that ashy substance obtained by S11 is 5 ~ 25% with mass fraction is mixed with solid-to-liquid ratio 1:8 ~ 15,100 ~
120 DEG C of 2 ~ 4h of processing, filtering, take filtrate；
S13: taking filtrate obtained by S12, and dehydrated alcohol is added, and adjusting pH is 7, obtains emulsion, is centrifuged, suction filtration dry plant source is white
Carbon black.
2. the plastics of anti-aging antistatic according to claim 1, which is characterized in that Silicon-rich plant is former in the step S11
Material is one of diatom, rice husk, scouring rush or meadow pine or a variety of.
3. the plastics of anti-aging antistatic according to claim 1, which is characterized in that acid solution is salt in the step S11
One of acid, sulfuric acid or nitric acid solution, aqueous slkali are sodium hydroxide or potassium hydroxide.
4. the plastics of anti-aging antistatic according to claim 1, which is characterized in that the rare earth oxide be lanthana,
One of cerium oxide or neodymia are a variety of.
5. according to claim 1 or the plastics of the 4 anti-aging antistatics, which is characterized in that the rare earth oxide content is 5
~8%。
6. the plastics of anti-aging antistatic according to claim 1, which is characterized in that the light stabilizer be zinc oxide and/
Or titanium dioxide.
7. the plastics of anti-aging antistatic according to claim 1, which is characterized in that the number of plies of the graphene is single layer
And/or multilayer.
8. according to claim 1 or the plastics of the 7 anti-aging antistatics, which is characterized in that the number of plies of the graphene is 1 ~
Any one natural number number of plies in 30 layers.
9. a kind of preparation method of the plastics of anti-aging antistatic described in claim 1 ~ 8 any one, which is characterized in that described
Method includes the following steps:
S1: weighing polyvinyl resin, and 150 ~ 200 DEG C are heated to melting completely, and rare earth oxide is then added and stirs 0.5 ~ 1h,
Mixing speed is 400 ~ 800r/min, obtains mixture 1；
S2: weighing natural rubber, and graphene is added glycerol and stearic acid after the mixing of plant source white carbon black, is kneaded, and heating temperature is
100 ~ 120 DEG C, heat mixed 10 ~ 20 min, cold mixed 5 ~ 10 min, mixing 1000 ~ 1500 r/min of revolving speed obtain mixture 2；
S3: by step S1, mixture 1 obtained by S2 and mixture 2 mixed melting again, and light stabilizer is sequentially added, montmorillonite,
Kaolin is forced into 1 ~ 5MPa, keeps 10 ~ 15min up to the plastics of anti-aging antistatic.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811605291.1A CN109867845A (en) | 2018-12-26 | 2018-12-26 | A kind of plastics and preparation method thereof of anti-aging antistatic |
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| CN201811605291.1A CN109867845A (en) | 2018-12-26 | 2018-12-26 | A kind of plastics and preparation method thereof of anti-aging antistatic |
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| CN109867845A true CN109867845A (en) | 2019-06-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521510A (en) * | 2021-11-04 | 2022-12-27 | 中国热带农业科学院 | Antioxidant and anti-aging modified natural rubber and preparation method thereof |
-
2018
- 2018-12-26 CN CN201811605291.1A patent/CN109867845A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115521510A (en) * | 2021-11-04 | 2022-12-27 | 中国热带农业科学院 | Antioxidant and anti-aging modified natural rubber and preparation method thereof |
| CN115521510B (en) * | 2021-11-04 | 2023-11-10 | 中国热带农业科学院 | Antioxidant and aging-resistant modified natural rubber and preparation method thereof |
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Application publication date: 20190611 |