CN109181262A - Low temperature resistant, high durable, hydrolysis PC fire proofing and preparation method thereof and device - Google Patents
Low temperature resistant, high durable, hydrolysis PC fire proofing and preparation method thereof and device Download PDFInfo
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- CN109181262A CN109181262A CN201810817069.1A CN201810817069A CN109181262A CN 109181262 A CN109181262 A CN 109181262A CN 201810817069 A CN201810817069 A CN 201810817069A CN 109181262 A CN109181262 A CN 109181262A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
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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
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of low temperature resistant, high durable, hydrolysis PC fire proofing and preparation method thereof and devices, it is arranged in pairs or groups using reasonable component, on the basis of PC is fire-retardant, increase the performance of its low temperature resistant, high durable and hydrolysis, it ensure that the intensity of PC material simultaneously, its tensile strength can reach 71MPa, and bending strength is up to 93MPa.The preparation method of low temperature resistant, high durable provided by the present invention, hydrolysis PC fire proofing, this method improve with the control of mixing time the viscosity and mouldability after mixing mixes by reasonable formulation ratio, by the stirring sequence of ingredient；The temperature of tie rod directly affects the performance of blank after pelletizing before pelletizing, that best pelletizing temperature variation of tie rod when by pelletizing after different ingredients squeezes out is very big, and this method has many advantages, such as is convenient, simply, be readily produced.
Description
Technical field
The present invention relates to organic chemical industry's field of material technology, in particular to a kind of low temperature resistant, high durable, hydrolysis
PC fire proofing and preparation method thereof and device.
Background technique
Polycarbonate (abbreviation PC) is the high molecular polymer in strand containing carbonate group, can according to the structure of ester group
It is divided into the multiple types such as aliphatic, aromatic series, aliphatic-aromatic.Wherein due to aliphatic and the poly- carbonic acid of aliphatic-aromatic
The mechanical performance of ester is lower, to limit its application in terms of engineering plastics.
PC is a kind of armorphous thermoplastic resin of high comprehensive performance, has excellent electrical insulating property, extensibility, size
Stability and chemical corrosion resistance, higher intensity, heat resistance are spent up to 160 degree and cold resistance -60；Also there is self-extinguishing without fire, resistance
The advantages that combustion, nontoxic, pigmentable.
With the raising and development of production technology, resistance to low temperature and weather resistance for PC require all very high.
In view of this, the present invention is specifically proposed.
Summary of the invention
The first object of the present invention is to provide a kind of low temperature resistant, high durable, hydrolysis PC fire proofing, and described is resistance to low
Temperature, high durable, hydrolysis PC fire proofing are arranged in pairs or groups using reasonable component, on the basis of PC is fire-retardant, increase its is low temperature resistant,
The performance of high durable and hydrolysis, while ensure that the intensity of PC material, tensile strength can reach 71MPa, bending strength
Up to 93MPa.
The second object of the present invention is to provide the system of low temperature resistant, high durable described in one kind, hydrolysis PC fire proofing
Preparation Method, this method are mixed by reasonable formulation ratio, by the stirring sequence of ingredient and the control raising mixing of mixing time
Viscosity and mouldability after conjunction；The temperature of tie rod directly affects the performance of blank after pelletizing before pelletizing, and different ingredients is squeezed
Best pelletizing temperature variation of tie rod when by pelletizing after out is very big, and it is excellent that this method has is convenient, simple, is readily produced etc.
Point.
In order to realize above-mentioned purpose of the invention, the following technical scheme is adopted:
A kind of low temperature resistant, high durable, hydrolysis PC fire proofing, including following component in parts by weight:
40-45 parts of polypropylene carbonate, 45-48 parts of polytrimethylene carbonate, 0.4-1 parts of antioxidant, toughener 4-6
Part, 0.1-0.2 parts of carbodiimides, 0.1-0.4 parts of organosilicon sulfonic acid salt, 0.1-0.4 parts of anti-dripping agent, polar polyethylene wax
0.6-1.0 parts and carbodiimides 0.1-0.2 parts.
Preferably, low temperature resistant, the high durable, hydrolysis PC fire proofing, below in parts by weight
Component:
42-45 parts of polypropylene carbonate, 46-48 parts of polytrimethylene carbonate, 0.4-0.6 parts of antioxidant, toughener 4-5
Part, 0.1-0.2 parts of carbodiimides, 0.15-0.25 parts of organosilicon sulfonic acid salt, 0.2-0.3 parts of anti-dripping agent, polar polyethylene wax
0.6-0.8 parts and carbodiimides 0.1-0.2 parts.
Preferably, low temperature resistant, the high durable, hydrolysis PC fire proofing, below in parts by weight
Component:
44-45 parts of polypropylene carbonate, 47-48 parts of polytrimethylene carbonate, 0.4-0.5 parts of antioxidant, toughener 3-5
Part, 0.1-0.15 parts of carbodiimides, 0.15-0.20 parts of organosilicon sulfonic acid salt, 0.2-0.3 parts of anti-dripping agent and polar polyethylene
0.5-0.7 parts of wax.
It preferably, further include black powder 0.6-1 parts in terms of mass fraction.
Preferably, the antioxidant is selected from the combination of one of antioxidant 1098 and antioxidant 1010 or two kinds；
It is furthermore preferred that the antioxidant is by 0.1-0.5 parts of antioxidant 1098 and 0.1-0.5 parts of antioxidant 1010s；
Still more preferably, the antioxidant is by 0.2-0.3 parts of antioxidant 1098 and 0.2-0.3 parts of antioxidant 1010s.
Low temperature resistant, high durable, hydrolysis PC fire proofing the preparation method, comprising the following steps:
(a), polypropylene carbonate and polytrimethylene carbonate are dried, then with toughener, carbodiimides,
Organosilicon sulfonic acid salt, anti-dripping agent, polar polyethylene wax, the mixing of black powder, stirring；
(b), antioxidant is then added, continues to stir, obtains mixing；
(c), the obtained mixing of step (b) is subjected to extrusion operation, is immersed in the water after extrusion, carried out after drying, pelletizing
Screening, obtains the low temperature resistant, high durable, hydrolysis PC fire proofing.
Preferably, in step (a), the time of the stirring is 0.5-1h.
Preferably, in step (b), the time of the stirring is 0.5-1h.
Preferably, in step (c), in the step of being immersed in the water after the extrusion, the temperature of water is at 40-60 DEG C.
A kind of device suitable for low temperature resistant, high durable, hydrolysis PC fire proofing the preparation method, including according to
Drying box, mixer, double screw extruder, intelligent temperature control sink, hair dryer, pelleter and the vibrating screen of secondary connection, the vibration
Dynamic sieve is separately connected apparatus for separating metals and waste material box, and the apparatus for separating metals is sequentially connected the second separator, storehouse case and baling press.
Compared with prior art, the invention has the benefit that
(1) low temperature resistant, high durable provided by the present invention, hydrolysis PC fire proofing are arranged in pairs or groups using reasonable component,
On the basis of PC is fire-retardant, the performance of its low temperature resistant, high durable and hydrolysis is increased, while ensure that the intensity of PC material,
Its tensile strength can reach 71MPa, and bending strength is up to 93MPa.
(2) preparation method of low temperature resistant, high durable provided by the present invention, hydrolysis PC fire proofing, this method pass through
Reasonable formulation ratio improves with the control of mixing time viscosity and molding after mixing mixes by the stirring sequence of ingredient
Property；The temperature of tie rod directly affects the performance of blank after pelletizing before pelletizing, and the tie rod after different ingredient extrusions is by pelletizing
When best pelletizing temperature variation it is very big, that this method has many advantages, such as is convenient, simple, is readily produced.
(3) dress used in the preparation method of low temperature resistant, high durable provided by the present invention, hydrolysis PC fire proofing
It sets, may insure to form optimal particulates' properties and form after pelletizing by control water temperature regulation.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is device flow diagram provided in an embodiment of the present invention.
Appended drawing reference: 1- drying box；2- mixer；3- double screw extruder；4- intelligent temperature control sink；5- hair dryer；6-
Pelleter；7- vibrating screen；8- waste material box；9- apparatus for separating metals；The second separator of 10-；The storehouse 11- case；12- baling press.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with the drawings and specific embodiments, but
Be it will be understood to those of skill in the art that it is following described embodiments are some of the embodiments of the present invention, rather than it is whole
Embodiment is merely to illustrate the present invention, and is not construed as limiting the scope of the invention.Based on the embodiments of the present invention, ability
Domain those of ordinary skill every other embodiment obtained without making creative work, belongs to guarantor of the present invention
The range of shield.The person that is not specified actual conditions in embodiment, carries out according to conventional conditions or manufacturer's recommended conditions.Agents useful for same
Or production firm person is not specified in instrument, is the conventional products that can be obtained by commercially available purchase.
A kind of low temperature resistant, high durable, hydrolysis PC fire proofing, including following component in parts by weight:
40-45 parts of polypropylene carbonate, 45-48 parts of polytrimethylene carbonate, 0.4-1 parts of antioxidant, toughener 4-6
Part, 0.1-0.2 parts of carbodiimides, 0.1-0.4 parts of organosilicon sulfonic acid salt, 0.1-0.4 parts of anti-dripping agent, polar polyethylene wax
0.6-1.0 parts and carbodiimides 0.1-0.2 parts.
Low temperature resistant, high durable provided by the present invention, hydrolysis PC fire proofing are arranged in pairs or groups using reasonable component, in PC
On the basis of fire-retardant, its low temperature resistant, high durable performance is increased, while ensure that the intensity of PC material, tensile strength can
Reach 71MPa, bending strength is up to 93MPa.
After carbodiimides is added, the problem of effectively improving PC facile hydrolysis, provides a kind of low temperature resistant, high durable, resistance to
Hydrolyze PC fire proofing.
In some embodiments of the present application, low temperature resistant, the high durable, hydrolysis PC fire proofing, including according to
The following component of parts by weight meter:
42-45 parts of polypropylene carbonate, 46-48 parts of polytrimethylene carbonate, 0.4-0.6 parts of antioxidant, toughener 4-5
Part, 0.1-0.2 parts of carbodiimides, 0.15-0.25 parts of organosilicon sulfonic acid salt, 0.2-0.3 parts of anti-dripping agent, polar polyethylene wax
0.6-0.8 parts and carbodiimides 0.1-0.2 parts.
In some embodiments of the present application, low temperature resistant, the high durable, hydrolysis PC fire proofing, including according to
The following component of parts by weight meter:
44-45 parts of polypropylene carbonate, 47-48 parts of polytrimethylene carbonate, 0.4-0.5 parts of antioxidant, toughener 3-5
Part, 0.1-0.15 parts of carbodiimides, 0.15-0.20 parts of organosilicon sulfonic acid salt, 0.2-0.3 parts of anti-dripping agent and polar polyethylene
0.5-0.7 parts of wax.
It further include black powder 0.3-5 parts in terms of mass fraction in some embodiments of the present application, preferably 1-4 parts, more
Preferably 2-3 parts.
In some embodiments of the present application, the antioxidant be selected from one of antioxidant 1098 and antioxidant 1010 or
The combination that two kinds of person；
It is furthermore preferred that the antioxidant is by 0.1-0.5 parts of antioxidant 1098 and 0.1-0.5 parts of antioxidant 1010s；
Further in some embodiments of the present application, the antioxidant is by 0.2-0.3 parts of antioxidant 1098 and 0.2-
0.3 part of antioxidant 1010.
Antioxidant 1098 is phosphite ester antioxidant, molecular formula C68H92O4P2, chemical name: four (2,4- bis- tertiary fourths
Base phenol) 4,4'- biphenyl diphosphites, CAS:119345-01-6.The chromaticness significantly improved under high-temperature fusion processing conditions is stablized
Property (yellowing-resistant, anti-stain), melting means stability are good with matrix resin compatibility.It is used in combination, has with 1010 equal Hinered phenols antioxidants
Synergistic effect significantly improves polymer long-term ageing property.
In the presence of it is only a small amount of in polymeric system, so that it may the progress for delaying or inhibiting polymer oxidation process, from
And it prevents the aging of polymer and prolongs its service life.Antioxidant 1098 is a kind of chemical substance, molecular formula C40H64N2O4,
N, N'- be bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine.Antioxidant 1010 chemical name are as follows: four [β-(3,
5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythrite, it is a kind of hindered phenol antioxygen of high molecular weight, volatility is very low,
And it is not easy to migrate.
Low temperature resistant, high durable, hydrolysis PC fire proofing the preparation method, comprising the following steps:
(a), polypropylene carbonate and polytrimethylene carbonate are dried, then with toughener, carbodiimides,
Organosilicon sulfonic acid salt, anti-dripping agent, polar polyethylene wax, the mixing of black powder, stirring；
(b), antioxidant is then added, continues to stir, obtains mixing；
(c), the obtained mixing of step (b) is subjected to extrusion operation, is immersed in the water after extrusion, carried out after drying, pelletizing
Screening, obtains the low temperature resistant, high durable, hydrolysis PC fire proofing.
In some embodiments of the present application, in step (a), the time of the stirring is 0.5-1h.
In some embodiments of the present application, in step (b), the time of the stirring is 0.5-1h.
In some embodiments of the present application, in step (c), in the step of being immersed in the water after the extrusion, the temperature of water
Degree is at 40-60 DEG C.
The preparation method, by the stirring of ingredient sequence and the control of mixing time improve sticky after mixing mix and
Mouldability；The temperature of tie rod directly affects the performance of blank after pelletizing before pelletizing, and the tie rod after different ingredient extrusions is in quilt
Best pelletizing temperature variation when pelletizing is very big, may insure to form optimal particle after pelletizing by control water temperature regulation
Performance and form.That this method has many advantages, such as is convenient, simple, is readily produced.
A kind of device suitable for low temperature resistant, high durable, hydrolysis PC fire proofing the preparation method, including according to
Drying box 1, mixer 2, double screw extruder 3, intelligent temperature control sink 4, hair dryer 5, pelleter 6 and the vibrating screen 7 of secondary connection,
The vibrating screen 7 is separately connected apparatus for separating metals 9 and waste material box, and the apparatus for separating metals 9 is sequentially connected the second separator 10, storehouse
Case 11 and baling press 11.
Wherein, intelligent temperature control sink 4 has temperature regulation controller, and temperature regulation controller is detected by temperature sensor
Water temperature in sink opens the control valve of ice water pipe and return pipe when temperature is higher than a high threshold, when temperature is lower than a low fault
When value, ice water pipe and return pipe are all closed.Temperature controls between 40-60 DEG C, influences on its pelletizing huge.
Embodiment 1
The low temperature resistant of the present embodiment institute drawings, high durable, hydrolysis PC fire proofing, specifically include following component:
42 parts of polypropylene carbonate
48 parts of polytrimethylene carbonate
0.2 part of 1098 antioxidant of primary antioxidant
1,010 0.3 parts of auxiliary antioxidant
5 parts of high silicon toughener
0.1 part of carbodiimides
0.2 part of organosilicon sulfonic acid salt
0.3 part of anti-dripping agent
0.5 part of polar polyethylene wax
0.6 part of black powder
The preparation method of the PC fire proofing, specifically includes the following steps:
1) weighing and proportioning is carried out to component；
2) polypropylene carbonate and polytrimethylene carbonate are added in drying box 1 and are dried, drying
After be added in mixer 2, then by weighted toughener, carbodiimides, organosilicon sulfonic acid salt, anti-dripping agent, polarity
Polyethylene wax, black powder, which are added in mixer 2, to be mixed 0.5 hour, then by 1098 antioxidant of primary antioxidant, auxiliary antioxygen
Agent 1010, which is added in mixer 2, continues stirring 0.5 hour；
3) by the mixing being stirred make a gift to someone double screw extruder 3 molding squeeze out tie rod；
4) tie rod is sent into intelligent temperature control sink 4, intelligent temperature control sink 4 has temperature regulation controller device, and temperature is adjusted
Controller detects the water temperature in sink by temperature sensor, and the control of ice water pipe and return pipe is opened when temperature is higher than 30 DEG C
Valve, when temperature is lower than 15 DEG C, ice water pipe and return pipe are all closed；
5) tie rod from intelligent temperature control sink come out enter beat hair dryer 5 will beat item dry up；
6) enter pelleter 6 after tie rod drying and pelletizing is carried out by 6 counter brace of pelleter, blank enters vibrating screen after pelletizing
7, the good plastic grain of shape enters apparatus for separating metals 9, and the waste material that pelletizing is formed enters waste material box；
7) apparatus for separating metals 9 and the isolated non-defective unit of the second separator 10 enter storehouse case 11, right by automatic packing machine 11
Non-defective unit carries out packing packing.
Embodiment 2
The low temperature resistant of the present embodiment institute drawings, high durable, hydrolysis PC fire proofing, specifically include following component:
46.8 parts of polypropylene carbonate
48 parts of polytrimethylene carbonate
0.2 part of 1098 antioxidant of primary antioxidant
1,010 0.2 parts of auxiliary antioxidant
2.8 parts of high silicon toughener
0.1 part of carbodiimides
0.2 part of organosilicon sulfonic acid salt
0.2 part of anti-dripping agent
0.5 part of polar polyethylene wax
1 part of black powder
The preparation method of the PC fire proofing, specifically includes the following steps:
1) weighing and proportioning is carried out to component；
2) polypropylene carbonate and polytrimethylene carbonate are added in drying box 1 and are dried, drying
After be added in mixer 2, then by weighted toughener, carbodiimides, organosilicon sulfonic acid salt, anti-dripping agent, polarity
Polyethylene wax, black powder, which are added in mixer 2, to be mixed 1 hour, then by 1098 antioxidant of primary antioxidant, auxiliary antioxidant
1010 be added in mixer 2 continue stirring 1 hour；
3) by the mixing being stirred make a gift to someone double screw extruder 3 molding squeeze out tie rod；
4) tie rod is sent into intelligent temperature control sink 4, intelligent temperature control sink 4 has temperature regulation controller device, and temperature is adjusted
Controller detects the water temperature in sink by temperature sensor, and the control of ice water pipe and return pipe is opened when temperature is higher than 30 DEG C
Valve, when temperature is lower than 15 DEG C, ice water pipe and return pipe are all closed；
5) tie rod from intelligent temperature control sink come out enter beat hair dryer 5 will beat item dry up；
6) enter pelleter 6 after tie rod drying and pelletizing is carried out by 6 counter brace of pelleter, blank enters vibrating screen after pelletizing
7, the good plastic grain of shape enters apparatus for separating metals 9, and the waste material that pelletizing is formed enters waste material box；
7) apparatus for separating metals 9 and the isolated non-defective unit of the second separator 10 enter storehouse case 11, right by automatic packing machine 11
Non-defective unit carries out packing packing.
Embodiment 3
The low temperature resistant of the present embodiment institute drawings, high durable, hydrolysis PC fire proofing, specifically include following component:
40 parts of polypropylene carbonate
48 parts of polytrimethylene carbonate
0.2 part of 1098 antioxidant of primary antioxidant
1,010 0.2 parts of auxiliary antioxidant
5.5 parts of high silicon toughener
0.1 part of carbodiimides
0.2 part of organosilicon sulfonic acid salt
0.3 part of anti-dripping agent
0.3 part of polar polyethylene wax
0.42 part of black powder
Preparation method of the preparation method with embodiment 1.
Comparative example 1: it is substantially the same manner as Example 1, do not add high silicon toughener only.
Comparative example 2: it is substantially the same manner as Example 1, polypropylene carbonate is only added, polytrimethylene carbonate is not added.
Comparative example 3: it is substantially the same manner as Example 1, polytrimethylene carbonate polypropylene carbonate is only added, is not added poly-
Propene carbonate.
Comparative example 4: it is substantially the same manner as Example 1, but in preparation method, it is useless to be impregnated using warm water, directly to extrusion
Molding PC carries out pelletizing.
Comparative example 5: it is substantially the same manner as Example 1, but in preparation method, do not fed according to sequencing, mixing
When joined all raw materials.
Experimental example 1PC performance test
PC fire proofing provided by embodiment 1-3 and comparative example 1-5 is tested for the property.Test includes: modulus
(N/m2), bending strength (MPa), elongation (%), tensile strength (MPa), fire-retardant situation, density (g/cm3)。
Experimental result is as shown in table 1.
1 PC the performance test results of table
Wherein, flame retardant property evaluation criterion is as follows:
V2: after carrying out 10 seconds combustion testings twice to sample, the remaining combustion of residual flame & is extinguished in 60 seconds.The particle of drippage can
Light cotton.
V1: after carrying out 10 seconds combustion testings twice to sample, the remaining combustion of residual flame & is extinguished in 60 seconds.The particle of drippage is not
Cotton can be lighted.
V0: after carrying out 10 seconds combustion testings twice to sample, the remaining combustion of residual flame & is extinguished in 30 seconds.The particle of drippage is not
Cotton can be lighted.
The experimental results showed that low temperature resistant, high durable, hydrolysis PC fire proofing provided herein, embodiment with it is right
Ratio compares, and does not add noble toughener and greatly reduces PC material energy strength character.And polypropylene carbonate and poly- Sanya
There is complex role between methyl carbonic.Compared with comparative example 3 and 4, preparation method is also critically important to the performance of material.
It illustrates to improve mixing by specific raw material proportioning, the stirring sequence of ingredient with the control of mixing time and mix it
Viscosity and mouldability afterwards.The temperature of tie rod directly affects the performance of blank after pelletizing before pelletizing, after different ingredients squeezes out
Best pelletizing temperature variation of tie rod when by pelletizing it is very big, may insure to be formed after pelletizing by control water temperature regulation
Optimal particulates' properties and form.
The low temperature resistant test of experimental example 2
Test method: the pressure of 1 normal atmosphere, to embodiment 1-3 and right after putting 24 hours in subzero 40 DEG C of air
The performance of PC material provided by ratio 1-5 is tested, and is compared with the data in experiment 1, and the results are shown in Table 2.
2 test result of table
The experimental results showed that PC fire proofing provided herein has good flame retardant property, and subzero 40
It is able to maintain at normal temperature about 80% impact strength under degree environment, there is performance low temperature resistant well.
The weather-proof test of experimental example 3
PC material provided by embodiment 1-3 is tested for the property.
Test method: material print provided by embodiment 1-3 is put into accelerated aging tests machine, and temperature 121 is arranged
DEG C, humidity 100%, two normal atmosphere pressures continue 48 hours, material sample are taken out after experiment and is cooled to room temperature, checks sample
Whether there is or not the adverse reactions such as burn into cracking for product.The results are shown in Table 3.
3 test result of table
The experimental results showed that PC material provided herein, has good hydrolytic resistance and weather resistance, by even
Continue 48 hours weather resistant experiments, insoluble, corrosion-free, cracking.Therefore, PC material provided herein has good weatherability
Can, and also there is flame retardant property.
Although illustrate and describing the present invention with specific embodiment, it will be appreciated that the above various embodiments is only used
To illustrate technical solution of the present invention, rather than its limitations；Those skilled in the art should understand that: without departing substantially from this hair
It in the case where bright spirit and scope, is possible to modify the technical solutions described in the foregoing embodiments, or to wherein
Some or all of technical characteristic is equivalently replaced；And these are modified or replaceed, and do not make the essence of corresponding technical solution
It departs from the scope of the technical solutions of the embodiments of the present invention；It is, therefore, intended that in the following claims including belonging to the present invention
All these substitutions and modifications in range.
Claims (10)
1. a kind of low temperature resistant, high durable, hydrolysis PC fire proofing, which is characterized in that below in parts by weight
Component:
40-45 parts of polypropylene carbonate, 45-48 parts of polytrimethylene carbonate, 0.4-1 parts of antioxidant, 4-6 parts of toughener, carbon
Diimine 0.1-0.2 parts of change, 0.1-0.4 parts of organosilicon sulfonic acid salt, 0.1-0.4 parts of anti-dripping agent, polar polyethylene wax 0.6-1.0
Part and carbodiimides 0.1-0.2 parts.
2. low temperature resistant, high durable according to claim 1, hydrolysis PC fire proofing, which is characterized in that including according to weight
Measure the following component of number meter:
42-45 parts of polypropylene carbonate, 46-48 parts of polytrimethylene carbonate, 0.4-0.6 parts of antioxidant, 4-5 parts of toughener,
0.1-0.2 parts of carbodiimides, 0.15-0.25 parts of organosilicon sulfonic acid salt, 0.2-0.3 parts of anti-dripping agent, polar polyethylene wax
0.6-0.8 parts and carbodiimides 0.1-0.2 parts.
3. low temperature resistant, high durable according to claim 1, hydrolysis PC fire proofing, which is characterized in that including according to weight
Measure the following component of number meter:
44-45 parts of polypropylene carbonate, 47-48 parts of polytrimethylene carbonate, 0.4-0.5 parts of antioxidant, 3-5 parts of toughener,
0.1-0.15 parts of carbodiimides, 0.15-0.20 parts of organosilicon sulfonic acid salt, 0.2-0.3 parts of anti-dripping agent and polar polyethylene wax
0.5-0.7 parts.
4. low temperature resistant, high durable according to claim 1-3, hydrolysis PC fire proofing, which is characterized in that with
Mass fraction meter further includes black powder 0.6-1 parts.
5. low temperature resistant, high durable according to claim 1-3, hydrolysis PC fire proofing, which is characterized in that institute
State the combination that antioxidant is selected from one of antioxidant 1098 and antioxidant 1010 or two kinds；
Preferably, the antioxidant is by 0.1-0.5 parts of antioxidant 1098 and 0.1-0.5 parts of antioxidant 1010s；
It is furthermore preferred that the antioxidant is by 0.2-0.3 parts of antioxidant 1098 and 0.2-0.3 parts of antioxidant 1010s.
6. the preparation method of low temperature resistant, high durable according to claim 1-5, hydrolysis PC fire proofing,
It is characterized in that, comprising the following steps:
(a), polypropylene carbonate and polytrimethylene carbonate are dried, then with toughener, carbodiimides, organic
Silicon sulfonate, anti-dripping agent, polar polyethylene wax, the mixing of black powder, stirring；
(b), antioxidant is then added, continues to stir, obtains mixing；
(c), the obtained mixing of step (b) is subjected to extrusion operation, is immersed in the water after extrusion, screened after drying, pelletizing,
Obtain the low temperature resistant, high durable, hydrolysis PC fire proofing.
7. the preparation method of low temperature resistant, high durable according to claim 6, hydrolysis PC fire proofing, which is characterized in that
In step (a), the time of the stirring is 0.5-1h.
8. the preparation method of low temperature resistant, high durable according to claim 6, hydrolysis PC fire proofing, which is characterized in that
In step (b), the time of the stirring is 0.5-1h.
9. the preparation method of low temperature resistant, high durable according to claim 6, hydrolysis PC fire proofing, which is characterized in that
In step (c), in the step of being immersed in the water after the extrusion, the temperature of water is at 40-60 DEG C.
10. a kind of preparation suitable for claim 6-9 described in any item low temperature resistant, high durables, hydrolysis PC fire proofing
The device of method, which is characterized in that including sequentially connected drying box, mixer, double screw extruder, intelligent temperature control sink,
Hair dryer, pelleter and vibrating screen, the vibrating screen are separately connected apparatus for separating metals and waste material box, and the apparatus for separating metals is successively
Connect the second separator, storehouse case and baling press.
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Application publication date: 20190111 |