CN109957162A - A kind of ageing-resistant cladding of plastic pencil and preparation method thereof - Google Patents
A kind of ageing-resistant cladding of plastic pencil and preparation method thereof Download PDFInfo
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- CN109957162A CN109957162A CN201910297102.7A CN201910297102A CN109957162A CN 109957162 A CN109957162 A CN 109957162A CN 201910297102 A CN201910297102 A CN 201910297102A CN 109957162 A CN109957162 A CN 109957162A
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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
- C08L21/00—Compositions of unspecified rubbers
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
The invention discloses a kind of ageing-resistant claddings of plastic pencil, it includes each raw material of following weight parts: anti-aging agent rd1-2, propylene oxide 4-6, initiator 2-3, Masterbatch 18-22, styrene 180-200, hydrogenated palm oil 10-16, alkyl ketene dimer 2-3, imvite modified rubber powder lotion 280-310, the present invention realizes the compatibility between montmorillonite filler and polystyrene, improve the mechanical stability of finished-product material, it is blended with anti-aging agent, the effect for improving cladding storage stability can be played, ageing-resistant performance is enhanced.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of ageing-resistant cladding of plastic pencil and preparation method thereof.
Background technique
Pencil is a kind of people's commonly attending classes articles, is mainly used in write and paint etc..It is mainly tied
Structure is to be mounted in penholder to constitute by strip lead for retractable pencil.The penholder of general pencil commonly use it is wooden, when production, it usually needs
Log is made into the penholder of the shapes such as round, regular hexagon or octagon, manufacture is needed by many cutting actions, raw
Production process is quite cumbersome, and manufacturing cost is high, and need to consume a large amount of high-quality timber.Currently, China produces Wood pencil 8,000,000,000 per year
Branch or so is equivalent to and destroys 600 square kilometres of forests every year, consumes the high-quality timber of 40 ten thousand steres, and a large amount of forest reserves disappear
Consumption seriously destroys ecological environment.In addition, in order to produce the penholder of different colours, Wood pencil need to use paint to outside it
Surface carries out spary, inevitably results from the pollution problem of poisonous and harmful substance, and for close with human contact
For penholder, a undoubtedly big drawback, with the development of the mankind, there is a growing awareness that the importance of environmental protection, therefore to protect
The shield forest reserves and ecological environment, active development go out the substitute of Wood pencil, are the necessarily choosings that pencil industry further develops
It selects, market application prospect is boundless；
Currently, that there are resistances to ag(e)ing is poor for the fibertip pen skin material used, the defect that storage stability reduces, and moist
Phenomena such as damaged surfaces are be easy to cause in environment.
Summary of the invention
Present invention aim to address existing fibertip pen skin material, that there are resistances to ag(e)ing is poor, and what storage stability reduced lacks
It falls into, a kind of ageing-resistant cladding of plastic pencil and preparation method thereof is provided.
To achieve the above object, the invention adopts the following technical scheme:
A kind of ageing-resistant cladding of plastic pencil, it includes each raw material of following weight parts:
Anti-aging agent rd1-2, propylene oxide 4-6, initiator 2-3, Masterbatch 18-22, styrene 180-200, hydrogenated palm
Oily 10-16, alkyl ketene dimer 2-3, imvite modified rubber powder lotion 280-310.
The initiator is cumyl peroxide.
What the imvite modified rubber powder lotion was made of the raw material of following weight parts:
Montmorillonite 5-7, waste rubber powder 30-40, phosphorous acid 1-2, thionyl chloride 17-20, aminopropyl triethoxysilane
2-3, benzotriazole 0.5-1, tetrahydrofurfuryl alcohol 1-2.
The preparation method of the imvite modified rubber powder lotion, comprising the following steps:
(1) montmorillonite is taken, is calcined 1-2 hours at 700-760 DEG C, is cooled to room temperature, wears into fine powder, be added to protochloride
It in sulfone, stirs evenly, is sent in 50-55 DEG C of water bath with thermostatic control, phosphorous acid is added, insulated and stirred 4-6 hours, chlorine is distilled off
Change sulfoxide, obtains activated soil powder；
(2) aminopropyl triethoxysilane, benzotriazole mixing are taken, the anhydrous of 46-50 times of mixture weight is added to
In ethyl alcohol, waste rubber powder is added, it is 10-20 minutes ultrasonic, above-mentioned activated soil powder is added, insulated and stirred 1-2 is small at 65-70 DEG C
When to get the imvite modified rubber powder lotion.
A kind of preparation method of the ageing-resistant cladding of plastic pencil, comprising the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 20-30 times of its weight, stirs evenly, obtain initiator solution；
(2) propylene oxide, styrene mixing are taken, is added in the dry toluene of 4-7 times of mixture weight, stirs evenly,
Anti-aging agent rd is added, is sent in reaction kettle, is passed through nitrogen, insulated and stirred 1-2 hours at 50-60 DEG C, discharging is distilled off
Toluene obtains modified monomer；
(3) above-mentioned modified monomer is taken, is added in imvite modified rubber powder lotion, is stirred evenly, be sent in reaction kettle, is led to
Enter nitrogen, adjusting temperature of reaction kettle is 65-70 DEG C, above-mentioned initiator solution is added, insulated and stirred 3-5 hours, alkane was added in discharging
Base ketene dimer is cooled to room temperature insulated and stirred 100-130 minutes at 150-170 DEG C, is filtered, filter cake is washed, vacuum
It is dry, it obtains polymer-modified；
(4) it takes above-mentioned polymer-modified, mixes, stir evenly with hydrogenated palm oil, Masterbatch, be sent in extruder,
Melting extrusion, it is cooling to get the ageing-resistant cladding of the plastic pencil.
Vacuum drying temperature described in step (3) is 90-100 DEG C
Advantages of the present invention:
Montmorillonite is carried out chloride first and is modified by the present invention, is blended with amino silane modified rubber powder, redisperse arrives
In ethanol solution, imvite modified rubber powder lotion is obtained, then as reaction dissolvent, is with the styrene of epoxy pronane modification
It challengees by oneself, polymerize under initiator effect, promote epoxy cross-linking at high temperature later, to realize montmorillonite filler and polyphenyl second
Compatibility between alkene improves the mechanical stability of finished-product material, is blended with anti-aging agent, can play and improve cladding storage stabilization
Property effect, enhance ageing-resistant performance, the hydrophobic performance on surface then can be improved in the alkyl ketene dimer of addition.
Specific embodiment
Embodiment 1
A kind of ageing-resistant cladding of plastic pencil, it includes each raw material of following weight parts:
Anti-aging agent rd1, propylene oxide 4, initiator 2, Masterbatch 18, styrene 180, hydrogenated palm oil 10, alkyl ketene
Dimer 2, imvite modified rubber powder lotion 280.
The initiator is cumyl peroxide.
What the imvite modified rubber powder lotion was made of the raw material of following weight parts:
Montmorillonite 5, waste rubber powder 30, phosphorous acid 1, thionyl chloride 17, aminopropyl triethoxysilane 2, three nitrogen of benzo
Azoles 0.5, tetrahydrofurfuryl alcohol 1.
The preparation method of the imvite modified rubber powder lotion, comprising the following steps:
(1) montmorillonite is taken, is calcined 1 hour at 700 DEG C, is cooled to room temperature, wears into fine powder, be added in thionyl chloride,
It stirs evenly, is sent in 50 DEG C of water bath with thermostatic control, phosphorous acid is added, insulated and stirred 4 hours, thionyl chloride is distilled off, obtains
Activated soil powder；
(2) aminopropyl triethoxysilane, benzotriazole mixing are taken, 46 times of mixture weight of dehydrated alcohol is added to
In, be added waste rubber powder, ultrasound 10 minutes, above-mentioned activated soil powder is added, at 65 DEG C insulated and stirred 1 hour to get described
Imvite modified rubber powder lotion.
A kind of preparation method of the ageing-resistant cladding of plastic pencil, comprising the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 20 times of its weight, is stirred evenly, obtain initiator solution；
(2) propylene oxide, styrene mixing are taken, is added in 4 times of mixture weight of dry toluene, is stirred evenly, add
Enter anti-aging agent rd, be sent in reaction kettle, be passed through nitrogen, insulated and stirred 1 hour at 50 DEG C, discharging is distilled off toluene, obtains
Modified monomer；
(3) above-mentioned modified monomer is taken, is added in imvite modified rubber powder lotion, is stirred evenly, be sent in reaction kettle, is led to
Enter nitrogen, adjusting temperature of reaction kettle is 65 DEG C, above-mentioned initiator solution is added, insulated and stirred 3 hours, alkyl alkene was added in discharging
Ketone dimer, insulated and stirred 100 minutes, are cooled to room temperature at 150 DEG C, filter, filter cake is washed, and are dried in vacuo, obtain modification
Polymer；
(4) it takes above-mentioned polymer-modified, mixes, stir evenly with hydrogenated palm oil, Masterbatch, be sent in extruder,
Melting extrusion, it is cooling to get the ageing-resistant cladding of the plastic pencil.
Vacuum drying temperature described in step (3) is 90 DEG C.
Embodiment 2
A kind of ageing-resistant cladding of plastic pencil, it includes each raw material of following weight parts:
Anti-aging agent rd2, propylene oxide 6, initiator 3, Masterbatch 22, styrene 200, hydrogenated palm oil 16, alkyl ketene
Dimer 3, imvite modified rubber powder lotion 310.
The initiator is cumyl peroxide.
What the imvite modified rubber powder lotion was made of the raw material of following weight parts:
Montmorillonite 7, waste rubber powder 40, phosphorous acid 2, thionyl chloride 20, aminopropyl triethoxysilane 3, three nitrogen of benzo
Azoles 1, tetrahydrofurfuryl alcohol 2.
The preparation method of the imvite modified rubber powder lotion, comprising the following steps:
(1) montmorillonite is taken, is calcined 2 hours at 760 DEG C, is cooled to room temperature, wears into fine powder, be added in thionyl chloride,
It stirs evenly, is sent in 55 DEG C of water bath with thermostatic control, phosphorous acid is added, insulated and stirred 6 hours, thionyl chloride is distilled off, obtains
Activated soil powder；
(2) aminopropyl triethoxysilane, benzotriazole mixing are taken, 50 times of mixture weight of dehydrated alcohol is added to
In, be added waste rubber powder, ultrasound 20 minutes, above-mentioned activated soil powder is added, at 70 DEG C insulated and stirred 2 hours to get described
Imvite modified rubber powder lotion.
A kind of preparation method of the ageing-resistant cladding of plastic pencil, comprising the following steps:
(1) initiator is taken, is added in the dehydrated alcohol of 30 times of its weight, is stirred evenly, obtain initiator solution；
(2) propylene oxide, styrene mixing are taken, is added in 7 times of mixture weight of dry toluene, is stirred evenly, add
Enter anti-aging agent rd, be sent in reaction kettle, be passed through nitrogen, insulated and stirred 2 hours at 60 DEG C, discharging is distilled off toluene, obtains
Modified monomer；
(3) above-mentioned modified monomer is taken, is added in imvite modified rubber powder lotion, is stirred evenly, be sent in reaction kettle, is led to
Enter nitrogen, adjusting temperature of reaction kettle is 70 DEG C, above-mentioned initiator solution is added, insulated and stirred 5 hours, alkyl alkene was added in discharging
Ketone dimer, insulated and stirred 130 minutes, are cooled to room temperature at 170 DEG C, filter, filter cake is washed, and are dried in vacuo, obtain modification
Polymer；
(4) it takes above-mentioned polymer-modified, mixes, stir evenly with hydrogenated palm oil, Masterbatch, be sent in extruder,
Melting extrusion, it is cooling to get the ageing-resistant cladding of the plastic pencil.
Vacuum drying temperature described in step (3) is 100 DEG C.
Performance test:
Pencil made of the ageing-resistant cladding of plastic pencil of the embodiment of the present invention 1, embodiment 2 is selected, with commercially available plastics
Leather pencil, is collectively disposed in the isoperibol that humidity is 30%, temperature is 65 DEG C by each 100, is observed 7 days；
As a result, pencil made of the ageing-resistant cladding of the plastic pencil of the embodiment of the present invention 1, there is 1 pencil in 100 pencils
There is small foaming phenomena in epidermis, and another 99 without exception；
Pencil made of the ageing-resistant cladding of the plastic pencil of the embodiment of the present invention 2,100 pencils are without exception；
In commercially available plastics leather pencil, 36 there is epidermis foaming phenomena, and blistering degree is different.
Claims (6)
1. a kind of ageing-resistant cladding of plastic pencil, which is characterized in that it includes each raw material of following weight parts:
Anti-aging agent rd1-2, propylene oxide 4-6, initiator 2-3, Masterbatch 18-22, styrene 180-200, hydrogenated palm oil 10-
16, alkyl ketene dimer 2-3, imvite modified rubber powder lotion 280-310.
2. the ageing-resistant cladding of a kind of plastic pencil according to claim 1, which is characterized in that the initiator is peroxide
Change diisopropylbenzene (DIPB).
3. the ageing-resistant cladding of a kind of plastic pencil according to claim 1, which is characterized in that the imvite modified glue
Powder lotion is made of the raw material of following weight parts:
Montmorillonite 5-7, waste rubber powder 30-40, phosphorous acid 1-2, thionyl chloride 17-20, aminopropyl triethoxysilane 2-3,
Benzotriazole 0.5-1, tetrahydrofurfuryl alcohol 1-2.
4. the ageing-resistant cladding of a kind of plastic pencil according to claim 3, which is characterized in that the imvite modified rubber powder
The preparation method of lotion, comprising the following steps:
(1) montmorillonite is taken, is calcined 1-2 hours at 700-760 DEG C, is cooled to room temperature, wears into fine powder, be added to thionyl chloride
In, it stirs evenly, is sent in 50-55 DEG C of water bath with thermostatic control, phosphorous acid is added, insulated and stirred 4-6 hours, chlorination is distilled off
Sulfoxide obtains activated soil powder；
(2) aminopropyl triethoxysilane, benzotriazole mixing are taken, the dehydrated alcohol of 46-50 times of mixture weight is added to
In, waste rubber powder is added, it is 10-20 minutes ultrasonic, above-mentioned activated soil powder is added, insulated and stirred 1-2 hours at 65-70 DEG C,
Up to the imvite modified rubber powder lotion.
5. a kind of preparation method of the ageing-resistant cladding of plastic pencil as described in claim 1, which is characterized in that including following step
It is rapid:
(1) initiator is taken, is added in the dehydrated alcohol of 20-30 times of its weight, stirs evenly, obtain initiator solution；
(2) propylene oxide, styrene mixing are taken, is added in the dry toluene of 4-7 times of mixture weight, stirs evenly, be added
Anti-aging agent rd, is sent in reaction kettle, is passed through nitrogen, and insulated and stirred 1-2 hours at 50-60 DEG C, first is distilled off in discharging
Benzene obtains modified monomer；
(3) above-mentioned modified monomer is taken, is added in imvite modified rubber powder lotion, is stirred evenly, be sent in reaction kettle, be passed through nitrogen
Gas, adjusting temperature of reaction kettle is 65-70 DEG C, above-mentioned initiator solution is added, insulated and stirred 3-5 hours, alkyl alkene was added in discharging
Ketone dimer is cooled to room temperature insulated and stirred 100-130 minutes at 150-170 DEG C, filters, filter cake is washed, and vacuum is dry
It is dry, it obtains polymer-modified；
(4) it takes above-mentioned polymer-modified, mixes, stir evenly with hydrogenated palm oil, Masterbatch, be sent in extruder, melt
It squeezes out, it is cooling to get the ageing-resistant cladding of the plastic pencil.
6. a kind of preparation method of the ageing-resistant cladding of plastic pencil according to claim 5, which is characterized in that step (3)
The vacuum drying temperature is 90-100 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910297102.7A CN109957162A (en) | 2019-04-15 | 2019-04-15 | A kind of ageing-resistant cladding of plastic pencil and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910297102.7A CN109957162A (en) | 2019-04-15 | 2019-04-15 | A kind of ageing-resistant cladding of plastic pencil and preparation method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001014464A1 (en) * | 1999-08-23 | 2001-03-01 | Liu, Guixing | Thermoplastic elastomer produced from waste rubber powder/plastic and the article made therefrom |
| CN101717536A (en) * | 2009-11-20 | 2010-06-02 | 华南理工大学 | Waste plastic, montmorillonoid and waste rubber composite and preparation method thereof |
| CN102533005A (en) * | 2010-12-30 | 2012-07-04 | 刘颖 | Colorful high-elastoplastic pen and making method thereof |
| CN105440390A (en) * | 2015-12-21 | 2016-03-30 | 江西省吉水县吉星文化用品有限公司 | Plastic pencil and preparation method thereof |
| CN108359188A (en) * | 2018-02-23 | 2018-08-03 | 大连爱森文教用品有限公司 | A kind of formula of plastic pencil arm |
-
2019
- 2019-04-15 CN CN201910297102.7A patent/CN109957162A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001014464A1 (en) * | 1999-08-23 | 2001-03-01 | Liu, Guixing | Thermoplastic elastomer produced from waste rubber powder/plastic and the article made therefrom |
| CN101717536A (en) * | 2009-11-20 | 2010-06-02 | 华南理工大学 | Waste plastic, montmorillonoid and waste rubber composite and preparation method thereof |
| CN102533005A (en) * | 2010-12-30 | 2012-07-04 | 刘颖 | Colorful high-elastoplastic pen and making method thereof |
| CN105440390A (en) * | 2015-12-21 | 2016-03-30 | 江西省吉水县吉星文化用品有限公司 | Plastic pencil and preparation method thereof |
| CN108359188A (en) * | 2018-02-23 | 2018-08-03 | 大连爱森文教用品有限公司 | A kind of formula of plastic pencil arm |
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Application publication date: 20190702 |