CN105732906A - Environment-friendly acrylic ester assistant and preparation method thereof - Google Patents
Environment-friendly acrylic ester assistant and preparation method thereof Download PDFInfo
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- CN105732906A CN105732906A CN201610128080.8A CN201610128080A CN105732906A CN 105732906 A CN105732906 A CN 105732906A CN 201610128080 A CN201610128080 A CN 201610128080A CN 105732906 A CN105732906 A CN 105732906A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
The invention discloses an environment-friendly acrylic ester assistant which is prepared from the following components in parts by mass: 100 parts of an organic glass recycled material, 3-10 parts of acrylic ester, 1-5 parts of ethyl acrylate, 3-10 parts of styrene and 3-10 parts of calcium carbonate. By adopting the environment-friendly acrylic ester assistant disclosed by the invention, the extensibility of polyvinyl chloride melt can be improved, the cost is low, and the environmental friendliness is high. The invention further discloses a preparation method of the environment-friendly acrylic ester assistant.
Description
Technical field
The present invention relates to the processing aid of a kind of polrvinyl chloride, a kind of environment-friendlyacrylic acrylic acid esters auxiliary agent and preparation method thereof.
Background technology
Polrvinyl chloride is to apply quite varied general-purpose plastics at present, and it is mainly used in the products such as sheet material, door and window, pipe fitting and thin film.
But, owing to plasticization temperature and the decomposition temperature of polrvinyl chloride are sufficiently close to, and himself there is easily decomposition, poor fluidity, impact
The defects such as intensity is low, weatherability is poor, so being typically necessary addition various processing aids man-hour in adding of polrvinyl chloride.Polrvinyl chloride
Processing aid mainly have a methyl methacrylate/acrylic acid ester copolymer, methyl methacrylate/styrol copolymer, acrylonitrile/
Styrene three kinds, especially the usage amount with methyl methacrylate/acrylic acid ester copolymer auxiliary agent is maximum, modified effect is best.But,
Existing methyl methacrylate/acrylic acid ester also exists two great technological deficiencies.First, current methyl methacrylate/
The processing of acrylate auxiliary agent all uses methyl methacrylate and acrylate blend to process, and himself is relatively costly, and
The addition that polrvinyl chloride adds man-hour is relatively big, thus improves the processing cost of polrvinyl chloride product.Next, methyl methacrylate/
Acrylate auxiliary agent is adding to pvc response system, needs to react to generate corsslinking molecular chain structure with other fillers,
Being affected by mixing uniformity, the above-mentioned extent of reaction is the most inconsistent, and the uniformity causing auxiliary agent and filler to react is poor, has a strong impact on
The serviceability of polrvinyl chloride.Therefore, how to reduce the processing cost of methyl methacrylate/acrylic acid ester and improve it poly-
With the reaction uniformity of other fillers in vinyl chloride reaction system, be current methyl methacrylate/acrylic acid ester auxiliary industry together
Significant technology issues.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that one can improve polrvinyl chloride melt extensibility, with low cost
Environment-friendlyacrylic acrylic acid esters auxiliary agent.
A kind of method that another object of the present invention is to provide technique simply to prepare above-mentioned environment-friendlyacrylic acrylic acid esters auxiliary agent.
The goal of the invention of the present invention is achieved in that a kind of environment-friendlyacrylic acrylic acid esters auxiliary agent, it is characterised in that: described environmental protection propylene
Esters of gallic acid auxiliary agent includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and calcium carbonate, and said components presses quality
Number is calculated and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 3-10 part, ethyl acrylate 1-5 part, styrene 3-10
Part, calcium carbonate 3-10 part.
Furtherly, the molecular weight of lucite reclaimed materials is 2 × 106-8×106。
Furtherly, lucite reclaimed materials is the lucite leftover pieces through time processing.
Furtherly, the mol ratio of the polymethyl methacrylate in lucite reclaimed materials and filler is (9-19): 1.
Optimizing further according to above-mentioned, filler is that the one in calcium hydroxide and calcium carbonate or said components mix with arbitrary proportion.
The present invention also provides for a kind of method preparing above-mentioned environment-friendlyacrylic acrylic acid esters auxiliary agent, and the step of the method is as follows:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 2 × 106-8×106, and at normal temperatures and pressures having
Machine glass reclaimed materials is placed in disintegrating machine and is broken into the pellet that particle diameter is 6-10mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 70-90 DEG C,
And ensure that powder particle size is 0.2-0.5mm；
D: step c gained powder is placed in reactor heated sealed to 75-90 DEG C, and is continually fed in reactor when heating
Carbon dioxide, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 1-3 hour at a temperature of 60-75 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 180-200
Discharging after reacting 1-3 hour under DEG C environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirs 1-3 hour under the rotating speed of 400-800 rev/min,
Environment-friendlyacrylic acrylic acid esters auxiliary agent.
The polyvinyl-chloride use acrylate analog assistant of prior art is improved by the present invention, and its advantage is as follows:
1, in the acrylate analog assistant of the present invention, the reactant similar to methyl methacrylate/acrylic acid polyisocyanate polyaddition system is used
System, utilizes the polymethyl methacrylate in lucite reclaimed materials to be polymerized instead with acrylate, ethyl acrylate and styrene
Should, it is achieved thereby that form the polymerization system of methyl methacrylate/acrylic acid ester in course of reaction, and polychlorostyrene can be prepared into smoothly
Ethylene methyl methacrylate/acrylic acid ester auxiliary agent.Existing methyl methacrylate is replaced owing to have employed lucite reclaimed materials
Monomer, thus greatly reduce the processing cost of methyl methacrylate/acrylic acid ester auxiliary agent.And acrylate, ethyl acrylate and
Cinnamic being applied in combination one compounding reaction environment of formation, it can ensure the stability that methyl methacrylate polymerization reacts, and
Course of reaction produces key point reaction and the binding reaction of double bond, thus improves the productivity of methyl methacrylate/acrylic acid ester auxiliary agent.
2, in the acrylate analog assistant of the present invention, the reclaimed materials of lucite is added to polymerization reaction system.Due to organic
Glass secondary operations can make its transparency be substantially reduced, it is impossible to recycles as other plastics, and it is extremely difficult after burying process
Degraded, so the leftover pieces of lucite or secondary operations material can cause bigger environmental pollution.And utilize the reclaimed materials of lucite
It is prepared above-mentioned auxiliary agent, waste and old organic glass material pollution to environment can be greatly decreased, greatly improve acrylate analog assistant
Environmental-protecting performance and the utilization rate of pmma material.
3, in the acrylate analog assistant of the present invention, the molecular weight of lucite reclaimed materials is 2 × 106-8×106.With polychlorostyrene second
During alkene strand generation chemical reaction, the molecular weight of methyl methacrylate/acrylic acid polyisocyanate polyaddition reaction system directly affects polychlorostyrene second
The melt elongation of alkene, along with the increasing of molecular weight, melt elongation strengthens therewith.When breaching LMW peak, melt is stretched
Long rate can decline on the contrary, and the molecular weight control of polymethyl methacrylate is 2 × 106-8×106, polrvinyl chloride can be effectively improved
Melt elongation, and it is at a stable level.By the control of molecular weight, the melt that can be effectively improved polrvinyl chloride prolongs
Stretching property, overcomes melt fracture phenomena, and improves the surface smoothness of goods.
4, in the acrylate analog assistant of the present invention, containing the filler such as calcium hydroxide or calcium carbonate in lucite reclaimed materials, and carbon
Acid calcium itself is one of filler the most frequently used in polrvinyl chloride processing.Due to lucite reclaimed materials polymethyl when time processing
The molecular chain structure of acid methyl ester has carried out sufficient parcel to filler, so when polymethyl methacrylate adds with the form of auxiliary agent
When entering to pvc response system, it is greatly improved the compatibility of filler and reaction system, so that the dispersion of filler is more uniform.
Fully dispersed, when can shorten the plasticizing of polrvinyl chloride by the addition of methyl methacrylate/acrylic acid polyisocyanate polyaddition system and filler
Between, reduce the generation of bubble, and improve the counter balance torque of goods.
5, the acrylate analog assistant of the present invention uses first neutralization, the technique of post polymerization to prepare, and whole reaction is all in airtight reaction
Still completes, and chemical reaction is carried out in the environment of normal pressure and temperature are relatively low.Cryogrinding can ensure polymethyl methacrylate
Do not have decomposition or burnt phenomenon when grinding, and low temperature preparation can ensure that chemical reaction enters in the environment of relatively mild at one
OK, it is simple to response speed is controlled by Producer, and reduce the generation of side reaction and by-product.
Detailed description of the invention
The environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and carbon
Acid calcium, said components is calculated by mass fraction and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 3-10 part, ethyl acrylate
1-5 part, styrene 3-10 part, calcium carbonate 3-10 part.Utilize the recycling of pmma material, reduce the processing of auxiliary agent
Cost, and improve the environmental-protecting performance of auxiliary agent.
In the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention, the molecular weight control 2 × 10 of lucite reclaimed materials6-8×106In the range of.
By the control of molecular weight, make environment-friendlyacrylic acrylic acid esters auxiliary agent can be effectively improved the melt ductility of pvc response system.Due to
Polymethyl methacrylate is often the biggest through the mechanical performance performance of its loss of time processing, so the reclaimed materials of lucite is to use
It is advisable through the lucite leftover pieces of time processing.It addition, the rubbing of polymethyl methacrylate in lucite reclaimed materials and filler
You control at (9-19) by ratio: 1.The content of component control to can ensure that lucite reclaimed materials with acrylate, ethyl acrylate,
Stability during styrene generation chemical reaction and reliability.In the time processing of lucite, calcium hydroxide generally thought by filler
Or calcium carbonate is main, and calcium carbonate is also filler the most conventional in polrvinyl chloride product processing, thus above-mentioned filler can use hydrogen-oxygen
Change the one in calcium or calcium carbonate or said components to mix with arbitrary proportion.
The preparation method of environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention comprises the steps:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 2 × 106-8×106, and at normal temperatures and pressures having
Machine glass reclaimed materials is placed in disintegrating machine and is broken into the pellet that particle diameter is 6-10mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 70-90 DEG C,
And ensure that powder particle size is 0.2-0.5mm；
D: step c gained powder is placed in reactor heated sealed to 75-90 DEG C, and is continually fed in reactor when heating
Carbon dioxide, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 1-3 hour at a temperature of 60-75 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 180-200
Discharging after reacting 1-3 hour under DEG C environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirs 1-3 hour under the rotating speed of 400-800 rev/min,
Environment-friendlyacrylic acrylic acid esters auxiliary agent.
By melt elongation under pvc response system of the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention is tested, at list
Add and the environment-friendlyacrylic acrylic acid esters auxiliary agent of tradition methyl methacrylate/acrylic acid ester auxiliary agent equivalent, its melt elongation under the mark of position
Up to 22-50%.
It is described in detail below in conjunction with a pair each embodiment of table, but the most therefore limits the invention in described scope of embodiments:
Embodiment 1
The environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and carbon
Acid calcium, said components is calculated by mass fraction and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 10 parts, ethyl acrylate 5
Part, styrene 10 parts, calcium carbonate 10 parts.In lucite reclaimed materials, the mol ratio of polymethyl methacrylate and filler is 19:
1, filler is calcium hydroxide.I.e. in lucite reclaimed materials, polymethyl methacrylate is 95 parts, and calcium hydroxide is 5 parts.
The preparation method of environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention comprises the steps:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 8 × 106, and at normal temperatures and pressures lucite is returned
Rewinding is placed in disintegrating machine and is broken into the pellet that particle diameter is 10mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 90 DEG C, and
Guarantee powder particle size is 0.5mm；
D: step c gained powder is placed in reactor heated sealed to 90 DEG C, and is continually fed into two when heating in reactor
Carbon oxide gas, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 3 hours at a temperature of 75 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 200 DEG C
Discharging after reacting 3 hours under environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirs 3 hours under the rotating speed of 800 revs/min,
Obtain environment-friendlyacrylic acrylic acid esters auxiliary agent.
By melt elongation under pvc response system of the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention is tested, at list
Add and the environment-friendlyacrylic acrylic acid esters auxiliary agent of tradition methyl methacrylate/acrylic acid ester auxiliary agent equivalent, its melt elongation under the mark of position
Up to 50%.
Embodiment 2
The environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and carbon
Acid calcium, said components is calculated by mass fraction and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 3 parts, ethyl acrylate 1
Part, styrene 3 parts, calcium carbonate 3 parts.In lucite reclaimed materials, the mol ratio of polymethyl methacrylate and filler is 9:1,
Filler includes calcium hydroxide and calcium carbonate.I.e. in lucite reclaimed materials, polymethyl methacrylate is 90 parts, and calcium hydroxide is 5
Part；Calcium carbonate is 5 parts.
The preparation method of environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention comprises the steps:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 2 × 106, and at normal temperatures and pressures lucite is returned
Rewinding is placed in disintegrating machine and is broken into the pellet that particle diameter is 6mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 70 DEG C, and
Guarantee powder particle size is 0.2mm；
D: step c gained powder is placed in reactor heated sealed to 75 DEG C, and is continually fed into two when heating in reactor
Carbon oxide gas, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 1 hour at a temperature of 60 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 180 DEG C
Discharging after reacting 1 hour under environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirs 1 hour under the rotating speed of 400 revs/min,
Obtain environment-friendlyacrylic acrylic acid esters auxiliary agent.
By melt elongation under pvc response system of the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention is tested, at list
Add and the environment-friendlyacrylic acrylic acid esters auxiliary agent of tradition methyl methacrylate/acrylic acid ester auxiliary agent equivalent, its melt elongation under the mark of position
Up to 22%.
Above-mentioned specific embodiment is only the preferable detailed description of the invention of effect of the present invention, all polyurethane flame-proof water-repellent paints with the present invention
And preparation method thereof identical or equivalent coating or preparation method, the most within the scope of the present invention.
Embodiment 3
The environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and carbon
Acid calcium, said components is calculated by mass fraction and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 8 parts, ethyl acrylate 4
Part, styrene 9 parts, calcium carbonate 8 parts.In lucite reclaimed materials, the mol ratio of polymethyl methacrylate and filler is 16:
1, filler includes calcium hydroxide and calcium carbonate.I.e. in lucite reclaimed materials, polymethyl methacrylate is 94 parts, calcium hydroxide
It it is 3 parts；Calcium carbonate is 3 parts.
The preparation method of environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention comprises the steps:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 7 × 106, and at normal temperatures and pressures lucite is returned
Rewinding is placed in disintegrating machine and is broken into the pellet that particle diameter is 7mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 75 DEG C, and
Guarantee powder particle size is 0.3mm；
D: step c gained powder is placed in reactor heated sealed to 78 DEG C, and is continually fed into two when heating in reactor
Carbon oxide gas, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 1.5 hours at a temperature of 65 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 185 DEG C
Discharging after reacting 1.5 hours under environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirring 1.5 hours under the rotating speed of 500 revs/min, i.e.
Environment-friendlyacrylic acrylic acid esters auxiliary agent can be obtained.
By melt elongation under pvc response system of the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention is tested, at list
Add and the environment-friendlyacrylic acrylic acid esters auxiliary agent of tradition methyl methacrylate/acrylic acid ester auxiliary agent equivalent, its melt elongation under the mark of position
Up to 42%.
Embodiment 4
The environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and carbon
Acid calcium, said components is calculated by mass fraction and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 7 parts, ethyl acrylate 3
Part, styrene 7 parts, calcium carbonate 6 parts.In lucite reclaimed materials, the mol ratio of polymethyl methacrylate and filler is 13:
1, filler includes calcium hydroxide and calcium carbonate.I.e. in lucite reclaimed materials, polymethyl methacrylate is 93 parts, calcium hydroxide
It it is 4 parts；Calcium carbonate is 4 parts.
The preparation method of environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention comprises the steps:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 6 × 106, and at normal temperatures and pressures lucite is returned
Rewinding is placed in disintegrating machine and is broken into the pellet that particle diameter is 8mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 82 DEG C, and
Guarantee powder particle size is 0.4mm；
D: step c gained powder is placed in reactor heated sealed to 84 DEG C, and is continually fed into two when heating in reactor
Carbon oxide gas, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 2 hours at a temperature of 71 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 190 DEG C
Discharging after reacting 2 hours under environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirs 2 hours under the rotating speed of 600 revs/min,
Obtain environment-friendlyacrylic acrylic acid esters auxiliary agent.
By melt elongation under pvc response system of the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention is tested, at list
Add and the environment-friendlyacrylic acrylic acid esters auxiliary agent of tradition methyl methacrylate/acrylic acid ester auxiliary agent equivalent, its melt elongation under the mark of position
Up to 34%.
Embodiment 5
The environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention includes lucite reclaimed materials, acrylate, ethyl acrylate, styrene and carbon
Acid calcium, said components is calculated by mass fraction and is respectively as follows: lucite reclaimed materials 100 parts, acrylate 5 parts, ethyl acrylate 2
Part, styrene 6 parts, calcium carbonate 4 parts.In lucite reclaimed materials, the mol ratio of polymethyl methacrylate and filler is 12:
1, filler includes calcium hydroxide and calcium carbonate.I.e. in lucite reclaimed materials, polymethyl methacrylate is 92 parts, calcium hydroxide
It it is 4 parts；Calcium carbonate is 4 parts.
The preparation method of environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention comprises the steps:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 4 × 106, and at normal temperatures and pressures lucite is returned
Rewinding is placed in disintegrating machine and is broken into the pellet that particle diameter is 9mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature to be less than 86 DEG C, and
Guarantee powder particle size is 0.4mm；
D: step c gained powder is placed in reactor heated sealed to 86 DEG C, and is continually fed into two when heating in reactor
Carbon oxide gas, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 2.5 hours at a temperature of 72 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene, at 195 DEG C
Discharging after reacting 2.5 hours under environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirring 2.5 hours under the rotating speed of 700 revs/min, i.e.
Environment-friendlyacrylic acrylic acid esters auxiliary agent can be obtained.
By melt elongation under pvc response system of the environment-friendlyacrylic acrylic acid esters auxiliary agent of the present invention is tested, at list
Add and the environment-friendlyacrylic acrylic acid esters auxiliary agent of tradition methyl methacrylate/acrylic acid ester auxiliary agent equivalent, its melt elongation under the mark of position
Up to 28%.
Table one (in table, component content is mass fraction)
Claims (6)
1. an environment-friendlyacrylic acrylic acid esters auxiliary agent, it is characterised in that: described environment-friendlyacrylic acrylic acid esters auxiliary agent includes that lucite returns
Rewinding, acrylate, ethyl acrylate, styrene and calcium carbonate, said components is calculated by mass fraction and is respectively as follows: organic glass
Glass reclaimed materials 100 parts, acrylate 3-10 part, ethyl acrylate 1-5 part, styrene 3-10 part, calcium carbonate 3-10 part.
Environment-friendlyacrylic acrylic acid esters auxiliary agent the most according to claim 1, it is characterised in that: dividing of described lucite reclaimed materials
Son amount is 2 × 106-8×106。
Environment-friendlyacrylic acrylic acid esters auxiliary agent the most according to claim 1, it is characterised in that: described lucite reclaimed materials is warp
The lucite leftover pieces of time processing.
4. according to any one of claim 1 to claim 3 described environment-friendlyacrylic acrylic acid esters auxiliary agent, it is characterised in that: institute
The mol ratio stating the polymethyl methacrylate in lucite reclaimed materials and filler is (9-19): 1.
Environment-friendlyacrylic acrylic acid esters auxiliary agent the most according to claim 4, it is characterised in that: described filler is calcium hydroxide and carbon
One or said components in acid calcium mix with arbitrary proportion.
6. the preparation method of an environment-friendlyacrylic acrylic acid esters auxiliary agent according to claim 1, it is characterised in that: described preparation
The step of method is as follows:
A: weigh corresponding raw material for standby according to said ratio；
B: measure the molecular weight of lucite reclaimed materials, ensure that its molecular weight is 2 × 106-8×106, and at normal temperatures and pressures
Lucite reclaimed materials is placed in disintegrating machine and is broken into the pellet that particle diameter is 6-10mm；
C: step b gained pellet is placed in ball mill and carries out pulverizing process, maintains ball grinder interior temperature less than 70-90
DEG C, and ensure that powder particle size is 0.2-0.5mm；
D: step c gained powder is placed in reactor heated sealed to 75-90 DEG C, and continues in reactor when heating
It is passed through carbon dioxide, makes the filler in powder occur catalysis to neutralize reaction and generate calcium carbonate；
E: step d gained mixture is placed in dehydrator, dries 1-3 hour at a temperature of 60-75 DEG C；
F: step e gained mixture is placed in reactor, and adds acrylate, ethyl acrylate and styrene,
Discharging after reacting 1-3 hour under 180-200 DEG C of environment；
G: step f gained mixture and calcium carbonate are placed in blender, stirs 1-3 under the rotating speed of 400-800 rev/min
Hour, environment-friendlyacrylic acrylic acid esters auxiliary agent.
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| CN1916038A (en) * | 2005-08-19 | 2007-02-21 | 沂源瑞丰高分子材料有限公司 | Lubrication type processing agent in use for polyvinyl chloride, and preparation method |
| CN102532394A (en) * | 2010-12-22 | 2012-07-04 | 无锡市长盛塑化有限公司 | Acrylic acid ester promoter for polyvinyl chloride use, preparation method and application thereof |
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