CN109776978A - Melt modification POE/CPE/EPDM flame-resistant sealing material and preparation method thereof - Google Patents
Melt modification POE/CPE/EPDM flame-resistant sealing material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses melt modification POE/CPE/EPDM flame-resistant sealing materials and preparation method thereof, including raw material: CPE, POE, EPDM, epoxy resin E-51, MgO, stabilizer, chlorinated paraffin, zinc borate, decabromodiphenylethane, antimony oxide, WB-212, ZnO, anti-aging agent, white carbon black, SI-69, carbon black, paraffin oil, DCP, TAIC, HVA-2；For CPE, stabilizer, anti-aging agent are mixed, POE is added to close refining plasticizing, epoxy resin E-51, EPDM, modified white carbon black, carbon black, paraffin oil, MgO, chlorinated paraffin, zinc borate, decabromodiphenylethane, antimony oxide, WB-212 is added to be kneaded, again plus DCP, TAIC, HVA-2 etc., through it is thin it is logical, play triangle bag, clot after bottom sheet dry after back mixing it is obtained.The present invention is in addition to having EPDM rubber and the performance of sealing material is made, also there is extremely excellent flame retardant property and leakproofness, have the function of resistance to leak, have excellent performance, is low in cost, EPDM rubber can be substituted completely in fire-retardant seal aspect, and it is better than EPDM rubber, reach raising quality, reduces cost purpose.
Description
Technical field
The present invention relates to a kind of specific rubber material technology more particularly to a kind of melt modification POE/CPE/EPDM are fire-retardant close
Closure material and preparation method thereof.
Background technique
With national economy fast development, the update of mechanical equipment, mining equiment, auto industry, originally single
Polymer not adapt to modern comfort to rubber accessory article rigors.Each manufacturer falls over each other research and adapts to newly
It is required that rubber seal, it has also become a great problem currently faced.Currently used is using EPDM- ethylene propylene diene rubber
Prepare rubber seal, but EPDM prepares rubber seal and takes up an official post right presence in performances such as fire-retardant, intensity, tearing and elongations
Certain defect.
POE-ethylene-octene copolymer, is a kind of novel elastomer that developed using metallocene catalyst, and POE divides
Minor structure is similar with ethylene propylene diene rubber (EPDM), is also saturated structures, thus POE has similar EPDM excellent properties, simultaneously
It is also more than to carry out EPDM, therefore the certain most of materials of EPDM can be substituted in certain aspect of performance；CPE-haloflex is poly-
Atactic polymer is made by chlorine substitution reaction in ethylene, and CPE has preferable weatherability, heat resistance, resistance to smelly as novel elastomer
The features such as oxygen, oil resistivity, media-resistant；Above-mentioned material is the common used material for preparing various rubber, using above-mentioned material and EPDM
It is modified together.The performances such as the compounded rubber sealing element of preparation its fire-retardant, intensity, tearing, service life and elongation will necessarily obtain
It is greatly promoted, but is prepared by rubber packing material and is had not been reported by POE and CPE, EPDM progress melt modification at present.
Summary of the invention
A kind of POE and CPE, EPDM is utilized to carry out melt modification preparation the technical problems to be solved by the present invention are: providing
Melt modification POE/CPE/EPDM flame-resistant sealing material, which can substitute EPDM rubber completely in terms of flame-resistant sealing material
Glue, and it is better than EPDM rubber；A kind of preparation method of flame-resistant sealing material is additionally provided simultaneously.
In order to solve the above technical problems, the technical scheme is that the fire-retardant sealing material of melt modification POE/CPE/EPDM
Material, the raw material including following weight part ratio are made: 40-60 parts of CPE, 30-50 parts of POE, 10-30 parts of EPDM, epoxy resin E-
51 3-9 parts, 3-9 parts of MgO, 0.5-3.5 parts of stabilizer, 8-16 parts of chlorinated paraffin, 1-5 parts of zinc borate, decabromodiphenylethane 5-
15 parts, 4-12 parts of antimony oxide, 1-5 parts of WB-212,2-8 parts of ZnO, 0.5-2 parts of anti-aging agent, 5-15 parts of white carbon black, SI-69
0.5-3 parts, 40-80 parts of carbon black, 15-55 parts of paraffin oil, 4-8 parts of DCP, 1-5 parts of TAIC, 0.5-2 parts of HVA-2.
Preferably further include following weight part ratio raw material TM-80 and 0.5-3.5 parts of the mixture of zinc stearate, PEG and
2-5 parts of the mixture of RD；Wherein TM-80 in the mixture of the TM-80 and zinc stearate: zinc stearate 1:0.5-1.5,
PEG:RD is 2:1-2.5 in the mixture of PEG and RD.TM-80 in the mixture of the TM-80 and zinc stearate: zinc stearate
PEG:RD is preferably 2:1.5 in the mixture of preferably 1:1, PEG and RD.
Preferably, 50 parts of the CPE, 40 parts of POE, EPDM20 parts, 6 parts of epoxy resin E-51,5 parts of MgO, TM-80
With 2 parts of 2 parts of mixture, the stabilizer of zinc stearate, PEG and RD 3 parts of 12 parts of 3.5 parts of mixture, chlorinated paraffin, zinc borate,
10 parts of decabromodiphenylethane, 8 parts of antimony oxide, 3 parts of WB-212,5 parts of ZnO, 1 part of anti-aging agent, 10 parts of white carbon black, SI-69
2 parts, 60 parts of carbon black, 35 parts of paraffin oil, 6 parts of DCP, 3 parts of TAIC, 1 part of HVA-2.
Preferably, the CPE is CPE6135 or CPE3000, the POE are POE8180, the EPDM is
EPDM3090E, the stabilizer are calcium-zinc composite stabilizing agent, the PEG is PEG-6000, the chlorinated paraffin is chlorinated paraffin
70#, the anti-aging agent be ODA, the carbon black is carbon black N550, the paraffin oil is paraffin oil 800#。
Using special equipment, using 140-160 DEG C of high temperature, by aforementioned POE-8180, CPE-6135 and CPE-3000,
EPDM-3090E, by mechanical high pressure, shearing force and temperature make above-mentioned raw material, by cyclochloride resin E-51 as modification
Agent, under the control of high temperature, under the assistance of the mixture of multifunctional assistant TM-80 and zinc stearate, melting transition is at a kind of new
Polymer；
New polymer finally under the modification of chemical modifier HVA-2, is successfully transformed into " low compression set change
Shape, anti-recovery ", the composite material of product " service life is extraordinary ".
A kind of preparation method of melt modification POE/CPE/EPDM flame-resistant sealing material, comprising steps of
1) preparation
1, high and low dual-speed agitator (Zhangjiagang Hai Lifeng Machinery Co., Ltd. will be heatedSHR-100 65 DEG C) are warming up to, to
With.
2, S (X) K-360B type heated type (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) open mill is warming up to 90-95 DEG C,
For use.
3, heating, the convertible mixer (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) of strength are warming up to 140 DEG C, for use.
Prepare raw material for standby: 40-60 parts of CPE, 30-50 parts of POE, 10-30 parts of EPDM, epoxy by following weight part ratio
3-9 parts of resin E-51,3-9 parts of MgO, 0.5-3.5 parts of stabilizer, 8-16 parts of chlorinated paraffin, 1-5 parts of zinc borate, decabrominated dipheny
5-15 parts of ethane, 4-12 parts of antimony oxide, 1-5 parts of WB-212,0.5-2 parts of anti-aging agent, 5-15 parts of white carbon black, SI-69
0.5-3 parts, 40-80 parts of carbon black, 15-55 parts of paraffin oil, 2-8 parts of ZnO, 4-8 parts of DCP, 1-5 parts of TAIC, HVA-2 0.5-2
Part；
2) white carbon black is modified:
Ready white carbon black is added to low speed in stand-by dual-speed agitator to drive, SI-69 is added dropwise in liquid filling hole, drips
It adds complete, is transferred to high-speed stirred immediately, when temperature rises to 110-120 DEG C, parking, then low speed are driven, discharge, and discharge is stacked
1.5-2.5h, for use；
3) it is plasticized:
Stand-by open mill is added in CPE to be plasticized,
On heating stand-by open mill, CPE rubber is plasticized, when being plasticized to seemingly transparent and nontransparent, is added steady
Determine agent, anti-aging agent is uniformly mixed, and POE is added and carries out closing refining plasticizing, until 115-125 DEG C of temperature display, bottom sheet is stand-by；
4) melt modification carries out melt modification with 140-160 DEG C using mixer:
The good stand-by masterbatch of plasticizing is added in stand-by mixer, epoxy resin E-51 is added, EPDM is added, is added
Modified white carbon black puts down floating weight, is kneaded, and pressurization is kneaded 3-5min；Lift floating weight, 1/2 carbon black is added, 1/2 paraffin is added
Oil puts down floating weight, is kneaded, and pressurization is kneaded 2-4min, then mentions floating weight, and remaining carbon black, remaining paraffin oil, MgO, chlorination is added
Paraffin, zinc borate, decabromodiphenylethane, antimony oxide, WB-212 carry out putting down floating weight, and pressurization is kneaded 3-5min, reversion
2-4min, then it is transferred to rotating forward, pressurization is kneaded when 160 DEG C of temperature display, then keeps the temperature 160 DEG C of mixing 1-3min discharges, after discharge,
It forces and is cooled to room temperature；
5) mill
Using common cooling-down type open mill, lower than 75 DEG C at a temperature of ZnO and DCP, TAIC, HVA-2, Bao Tong 6 is added
It is secondary, it beats triangle bag four times, clot four times uniform rear bottom sheet is dried, and parks 20-28h, back mixing.Common back mixing journey can be used in back mixing
Sequence back mixing.
This formula and technique fully meet performance indexes, requirement；Fire-retardant index reaches UL-94-V0 grades of requirements.
It preferably, further include the raw material of following weight part ratio when stock: the mixture 0.5-3.5 of TM-80 and zinc stearate
Part, 2-5 parts of mixture of PEG and RD；Wherein TM-80 in the mixture of the TM-80 and zinc stearate: zinc stearate 1:
PEG:RD is 2:1-2.5 in the mixture of 0.5-1.5, PEG and RD；Wherein TM- in the mixture of the TM-80 and zinc stearate
80: zinc stearate be preferably in the mixture of 1:1, PEG and RD PEG:RD be preferably 2:1.5.The TM-80 and zinc stearate
Mixture is added in step 4 melt modification when epoxy resin E-51 is added, and the mixture of PEG and RD change in step 4 melting
Property in plus when MgO be added.
Preferably, 50 parts of the CPE, 40 parts of POE, EPDM20 parts, 6 parts of epoxy resin E-51,5 parts of MgO, TM-80
With 2 parts of 2 parts of mixture, the stabilizer of zinc stearate, PEG and RD 3 parts of 12 parts of 3.5 parts of mixture, chlorinated paraffin, zinc borate,
10 parts of decabromodiphenylethane, 8 parts of antimony oxide, 3 parts of WB-212,1 part of anti-aging agent, 10 parts of white carbon black, 2 parts of SI-69, carbon black
60 parts, 35 parts of paraffin oil, 6 parts of DCP, 5 parts of ZnO, 3 parts of TAIC, 1 part of HVA-2.
Preferably, the CPE is CPE6135 or CPE3000, the POE are POE8180, the EPDM is
EPDM3090E, the stabilizer are calcium-zinc composite stabilizing agent, the PEG is PEG-6000, the chlorinated paraffin is chlorinated paraffin
70#, the anti-aging agent be ODA, the carbon black is carbon black N550, the paraffin oil is paraffin oil 800#。
Epoxy resin -51 of the present invention can be used the product of Shanghai Resin Factory's production, make in this formula as modifying agent
With carrying out melt modification blending to a variety of materials, learn from other's strong points to offset one's weaknesses in performance as the compatibilized modifier of elastomer；CPE is used
The product of the chemicalization plant produced of Weifang AsiaSat can be used in the trade mark CPE6135, CPE3000；POE uses trade mark POE8180, can
Using the product of Mitsui chemical industry import；EPDM uses trade mark EPDM3090E, Chinese Jilin Chemical product can be used, and DCP can be adopted
The DCP product for being 40% with mass content, the said goods are conventional products, can be purchased by conventional market with other materials
?.
The present invention by POE and several original copolymers of CPE, EPDM, through the invention in melt modification technique, in asphalt mixtures modified by epoxy resin
Rouge E-51, WB-212 are participated in down, produce a kind of novel copolymer, and with modified white carbon black, carbon black, remaining paraffin oil,
MgO, chlorinated paraffin, zinc borate, decabromodiphenylethane, antimony oxide, WB-212 etc. carry out mixing melt modification together, with
DCP, ZnO, TAIC and HVA-2 carry out mill, by above-mentioned specific melt modification and mill technique, produce a kind of novel
Copolymer uses other than the performance of sealing material is made in ethylene propylene diene rubber in addition to having, also with extremely excellent flame retardant property and compared with
Good leakproofness, has the function of resistance to leakage.This sealing material is not only had excellent performance, and low in cost, complete in fire-retardant seal aspect
EPDM rubber can be substituted entirely, and is better than EPDM rubber, reached raising quality, reduced the purpose of design of cost.
Specific embodiment
Embodiment one:
The preparation of melt modification POE/CPE/EPDM flame-resistant sealing material
1) preparation
1, high and low dual-speed agitator (Zhangjiagang Hai Lifeng Machinery Co., Ltd. will be heatedSHR-100 65 DEG C) are warming up to, to
With.
2, S (X) K-360B type heated type (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) open mill is warming up to 90-95 DEG C,
For use.
3, heating, the convertible mixer (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) of strength are warming up to 140 DEG C, for use.
By following weight part ratio prepare raw material for standby: 50 parts of CPE6135,40 parts of POE8180,20 parts of EPDM3090E,
2 parts of 2 parts of mixture, calcium-zinc composite stabilizing agent, the PEG- of 6 parts of epoxy resin E-51,5 parts of MgO, TM-80 and zinc stearate
3.5 parts of mixture, the chlorinated paraffin 70 of 6000 and RD#12 parts, 3 parts of zinc borate, 10 parts of decabromodiphenylethane, antimony oxide 8
Part, 3 parts of WB-212,5 parts of ZnO, 1 part of ODA, 10 parts of white carbon black, 2 parts of SI-69,60 parts of carbon black N550, paraffin oil 800#35
Part, 6 parts of DCP, 3 parts of TAIC, 1 part of HVA-2, wherein TM-80 and zinc stearate mixing ratio are 1:1, PEG and RD mixing ratio is
2:1.5.
2) white carbon black is modified:
Ready white carbon black is added to low speed in stand-by dual-speed agitator to drive, SI-69 is added dropwise in liquid filling hole, drips
It adds complete, is transferred to high-speed stirred immediately, when temperature rises to 110-120 DEG C, parking, then low speed are driven, discharge, and discharge is stacked
2h, for use；
3) it is plasticized:
Stand-by open mill is added in CPE6135 to be plasticized,
On heating stand-by open mill, CPE6135 rubber is plasticized, when being plasticized to seemingly transparent and nontransparent, is added
Entering calcium-zinc composite stabilizing agent, ODA is uniformly mixed, and POE8180 is added and carries out closing refining plasticizing, until 120 DEG C of temperature display, bottom sheet waits for
With；
4) melt modification carries out melt modification with 140-160 DEG C using mixer:
The good stand-by masterbatch of plasticizing is added in stand-by mixer, epoxy resin E-51 is added, is added
The modified white carbon black of EPDM3090E, the mixture that TM-80 and zinc stearate is added, addition puts down floating weight, is kneaded, pressurization is mixed
Refine 4min；Lift floating weight, 1/2 carbon black N550 is added, 1/2 paraffin oil 800 is added#Floating weight is put down, is kneaded, pressurization is kneaded
3min, then floating weight is mentioned, remaining carbon black N550, remaining paraffin oil 800 is added#, PEG-6000 and the mixture of RD, MgO, chlorination
Paraffin 70#, zinc borate, decabromodiphenylethane, antimony oxide, WB-212 carry out putting down floating weight, pressurization is kneaded 4min, reversion
3min, then it is transferred to rotating forward, pressurization is kneaded when 160 DEG C of temperature display, then keeps the temperature 160 DEG C of mixing 2min discharges, after discharge, is forced
It is cooled to room temperature；
5) mill
Using common cooling-down type open mill, lower than 75 DEG C at a temperature of ZnO and DCP, TAIC, HVA-2, Bao Tong 6 is added
It is secondary, it beats triangle bag four times, clot four times uniform rear bottom sheet is dried, and is parked for 24 hours, after back mixing.
It is as follows that flame-resistant sealing material obtained obtains physical property (183 DEG C × t90)
| Project | Measured value | Project | Measured value |
| Shao A hardness/degree (adjustable) | 74 | Tearing strength/(KN.M-1) | 52 |
| Tensile strength/Mpa | 12.9 | Rebound value/% | 42 |
| Elongation rate of tensile failure/% | 386 | Flame retardant rating (UL-94-VO) | V0 |
Embodiment two:
The preparation of melt modification POE/CPE/EPDM flame-resistant sealing material
1) preparation
1, high and low dual-speed agitator (Zhangjiagang Hai Lifeng Machinery Co., Ltd. will be heatedSHR-100 65 DEG C) are warming up to, to
With.
2, S (X) K-360B type heated type (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) open mill is warming up to 90-95 DEG C,
For use.
3, heating, the convertible mixer (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) of strength are warming up to 140 DEG C, for use.
By following weight part ratio prepare raw material for standby: 40 parts of CPE3000,30 parts of POE8180,10 parts of EPDM3090E,
3 parts of epoxy resin E-51,3 parts of MgO, TM-80 and zinc stearate 0.5 part of 0.5 part of mixture, calcium-zinc composite stabilizing agent,
2 parts of mixture, the chlorinated paraffin 70 of PEG-6000 and RD#8 parts, 1 part of zinc borate, 5 parts of decabromodiphenylethane, antimony oxide 4
Part, 1 part of WB-212,2 parts of ZnO, 0.5 part of ODA, 5 parts of white carbon black, 0.5 part of SI-69,40 parts of carbon black N550, paraffin oil
800#15 parts, 4 parts of DCP, 1 part of TAIC, 0.5 part of HVA-2, wherein TM-80 and zinc stearate mixing ratio are 1:1, PEG and RD
Mixing ratio is 2:1.5.
2) white carbon black is modified:
Ready white carbon black is added to low speed in stand-by dual-speed agitator to drive, SI-69 is added dropwise in liquid filling hole, drips
It adds complete, is transferred to high-speed stirred immediately, when temperature rises to 110-120 DEG C, parking, then low speed are driven, discharge, and discharge is stacked
2h, for use；
3) it is plasticized:
Stand-by open mill is added in CPE3000 to be plasticized, on heating stand-by open mill, by CPE3000 rubber
Be plasticized, be plasticized to like it is transparent and nontransparent when, be added calcium-zinc composite stabilizing agent, ODA be uniformly mixed, be added POE8180 into
Row closes refining plasticizing, until 115 DEG C of temperature display, bottom sheet is stand-by；
4) melt modification carries out melt modification with 140-160 DEG C using mixer:
The good stand-by masterbatch of plasticizing is added in stand-by mixer, epoxy resin E-51 is added, is added
The modified white carbon black of EPDM3090E, the mixture that TM-80 and zinc stearate is added, addition puts down floating weight, is kneaded, pressurization is mixed
Refine 3min；Lift floating weight, 1/2 carbon black N550 is added, 1/2 paraffin oil 800 is added#Floating weight is put down, is kneaded, pressurization is kneaded
2min, then floating weight is mentioned, remaining carbon black N550, remaining paraffin oil 800 is added#, the mixture of MgO, PEG-6000 and RD, chlorination
Paraffin 70#, zinc borate, decabromodiphenylethane, antimony oxide, WB-212 carry out putting down floating weight, pressurization is kneaded 3min, reversion
2min, then it is transferred to rotating forward, pressurization is kneaded when 160 DEG C of temperature display, then keeps the temperature 160 DEG C of mixing 1min discharges, after discharge, is forced
It is cooled to room temperature；
5) mill
Using common cooling-down type open mill, ZnO and DCP, TAIC, HVA-2 are added at a temperature of 70 DEG C, Bao Tong 6 times, makes a call to three
Angle Bao Sici, clot four times uniform rear bottom sheet is dried, and 20h is parked, after back mixing.
Embodiment three:
The preparation of melt modification POE/CPE/EPDM flame-resistant sealing material,
1) preparation
1, high and low dual-speed agitator (Zhangjiagang Hai Lifeng Machinery Co., Ltd. will be heatedSHR-100 65 DEG C) are warming up to, to
With.
2, S (X) K-360B type heated type (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) open mill is warming up to 90-95 DEG C,
For use.
3, heating, the convertible mixer (Wenzhou Eurasia rubber/modeling Machinery Co., Ltd.) of strength are warming up to 140 DEG C, for use.
Prepare raw material for standby: CPE60 parts, 50 parts of POE, 30 parts of EPDM, epoxy resin E-51 9 by following weight part ratio
Part, 9 parts of MgO, 3.5 parts of calcium-zinc composite stabilizing agent, 16 parts of chlorinated paraffin, 5 parts of zinc borate, 15 parts of decabromodiphenylethane, three oxidations
Two 12 parts of antimony, 5 parts of WB-212,8 parts of ZnO, 2 parts of ODA, 15 parts of white carbon black, 3 parts of SI-69,80 parts of carbon black, 55 parts of paraffin oil,
8 parts of DCP, 5 parts of TAIC, 2 parts of HVA-2；
2) white carbon black is modified:
Ready white carbon black is added to low speed in stand-by dual-speed agitator to drive, SI-69 is added dropwise in liquid filling hole, drips
It adds complete, is transferred to high-speed stirred immediately, when temperature rises to 110-120 DEG C, parking, then low speed are driven, discharge, and discharge is stacked
2.5h, for use；
3) it is plasticized:
Stand-by open mill is added in CPE to be plasticized, on heating stand-by open mill, CPE rubber is plasticized,
When being plasticized to seemingly transparent and nontransparent, calcium-zinc composite stabilizing agent is added, ODA is uniformly mixed, and addition POE, which close, refines plasticizing, until
115-125 DEG C of temperature display, bottom sheet is stand-by；
4) melt modification carries out melt modification with 140-160 DEG C using mixer:
The good stand-by masterbatch of plasticizing is added in stand-by mixer, epoxy resin E-51 is added, EPDM is added, is added
Modified white carbon black puts down floating weight, is kneaded, and pressurization is kneaded 5min；Lift floating weight, 1/2 carbon black is added, 1/2 paraffin oil is added
Put down floating weight, be kneaded, pressurization is kneaded 4min, then mentions floating weight, be added remaining carbon black, remaining paraffin oil, MgO, chlorinated paraffin,
Zinc borate, decabromodiphenylethane, antimony oxide, WB-212 carry out putting down floating weight, and pressurization is kneaded 5min, invert 4min, then
It is transferred to rotating forward, pressurization is kneaded when 160 DEG C of temperature display, then keeps the temperature 160 DEG C of mixing 3min discharges, after discharge, is forced and is cooled to
Room temperature；
5) mill
Using common cooling-down type open mill, ZnO and DCP, TAIC, HVA-2 are added at a temperature of 72 DEG C, Bao Tong 6 times, makes a call to three
Angle Bao Sici, clot four times uniform rear bottom sheet is dried, and is parked for 24 hours, after back mixing.
In summary: fire department is fire-retardant to the requirement-of conduit seals, antiseep in order to meet, long service life.
Original polymer is modified.In order to reach design requirement, in order to assign the property of sizing material, originally match
Side has used the auxiliary agent [such as multifunctional assistant (TM-80+ zinc stearate)] of specific use, modifying agent (cyclochloride resin E-51), has changed
It learns modifying agent (TAIC, HVA-2 etc.) processing aid (PEG-6000) chemical fire retardant (+bromine diphenylethane), has used conventional material
The promoter material of specific use other than material；
Special mechanical equipment is selected, to produce and prepare, to guarantee that property must be formed within setting range.
There is processing performance necessary to modified use, specific use using it, there is specific temperature, special process, have
The system that particular characteristic embodies in totally setting performance range.
Here it is stressed that formula design process is not the simple experience collocation of various raw material, but sufficiently
The system effect that entire prescription system is given full play on the basis of various principles is grasped, so that it is determined that the optimal use of various raw material
Amount, proportion relation, formula design process should be the integrated application processes of the various basic theories of macromolecule raw material, be macromolecule
Raw material and the embodiment of property relationship in practical applications.
Claims (8)
1. melt modification POE/CPE/EPDM flame-resistant sealing material, it is characterised in that the raw material including following weight part ratio is made:
40-60 parts of CPE, 30-50 parts of POE, 10-30 parts of EPDM, 3-9 parts of epoxy resin E-51,3-9 parts of MgO, stabilizer 0.5-
3.5 parts, 8-16 parts of chlorinated paraffin, 1-5 parts of zinc borate, 5-15 parts of decabromodiphenylethane, 4-12 parts of antimony oxide, WB-212
1-5 parts, 2-8 parts of ZnO, 0.5-2 parts of anti-aging agent, 5-15 parts of white carbon black, 0.5-3 parts of SI-69,40-80 parts of carbon black, paraffin oil
15-55 parts, 4-8 parts of DCP, 1-5 parts of TAIC, 0.5-2 parts of HVA-2.
2. melt modification POE/CPE/EPDM flame-resistant sealing material as described in claim 1, it is characterised in that: it further include following
2-5 parts of mixture of 0.5-3.5 parts of the mixture of the raw material TM-80 of weight part ratio and zinc stearate, PEG and RD；It is wherein described
TM-80 in the mixture of TM-80 and zinc stearate: PEG:RD is in the mixture of zinc stearate 1:0.5-1.5, PEG and RD
2:1-2.5.
3. melt modification POE/CPE/EPDM flame-resistant sealing material as claimed in claim 2, it is characterised in that: the CPE 50
Part, 40 parts of POE, EPDM20 parts, 6 parts of epoxy resin E-51,5 parts of MgO, TM-80 and zinc stearate 2 parts of mixture, stablize
3 parts of 12 parts of 3.5 parts of mixture, chlorinated paraffin, the zinc borate of 2 parts of agent, PEG and RD, 10 parts of decabromodiphenylethane, antimony oxide
8 parts, 3 parts of WB-212,5 parts of ZnO, 1 part of anti-aging agent, 10 parts of white carbon black, 2 parts of SI-69,60 parts of carbon black, 35 parts of paraffin oil, DCP
6 parts, 3 parts of TAIC, 1 part of HVA-2.
4. melt modification POE/CPE/EPDM flame-resistant sealing material as claimed in claim 2 or claim 3, it is characterised in that: using special
, by aforementioned POE-8180, CPE-6135 and CPE-3000, EPDM-3090E, pass through machine using 140-160 DEG C of high temperature with equipment
The high pressure of tool, shearing force and temperature make above-mentioned raw material, by cyclochloride resin E-51 as modifying agent, under the control of high temperature,
Under the assistance of the mixture of multifunctional assistant TM-80 and zinc stearate, melting transition is at a kind of new polymer；
New polymer finally under the modification of chemical modifier HVA-2, is successfully transformed into low compression set, sulfur resistive
Change is reverted, the extraordinary composite material of product life.
5. the preparation method of melt modification POE/CPE/EPDM flame-resistant sealing material, it is characterised in that comprising steps of
1) preparation
1, by Zhangjiagang Hai Lifeng Machinery Co., Ltd.SThe high and low dual-speed agitator of HR-100 is warming up to 65 DEG C, for use；
2, Wenzhou Eurasia rubber/modeling Machinery Co., Ltd. S (X) K-360B type heated type open mill is warming up to 90-95 DEG C, for use；
3, the heating of Wenzhou Eurasia rubber/modeling Machinery Co., Ltd., the convertible mixer of strength are warming up to 140 DEG C, for use；
Prepare raw material for standby: 40-60 parts of CPE, 30-50 parts of POE, 10-30 parts of EPDM, epoxy resin by following weight part ratio
3-9 parts of E-51,3-9 parts of MgO, 0.5-3.5 parts of stabilizer, 8-16 parts of chlorinated paraffin, 1-5 parts of zinc borate, decabromodiphenylethane
5-15 parts, 4-12 parts of antimony oxide, 1-5 parts of WB-212,2-8 parts of ZnO, 0.5-2 parts of anti-aging agent, 5-15 parts of white carbon black, SI-
69 0.5-3 parts, 40-80 parts of carbon black, 15-55 parts of paraffin oil, 4-8 parts of DCP, 1-5 parts of TAIC, 0.5-2 parts of HVA-2；
2) white carbon black is modified:
Ready white carbon black is added to low speed in stand-by dual-speed agitator to drive, SI-69 is added dropwise in liquid filling hole, drips
Finish, be transferred to high-speed stirred immediately, when temperature rises to 110-120 DEG C, parking, then low speed are driven, discharge, and discharge stacks 1.5-
2.5h, for use；
3) it is plasticized:
Stand-by open mill is added in CPE to be plasticized, on heating stand-by open mill, CPE rubber is plasticized, is plasticized
To like it is transparent and nontransparent when, be added stabilizer, anti-aging agent be uniformly mixed, be added POE carry out close refining plasticizing, until temperature display
115-125 DEG C, bottom sheet is stand-by；
4) melt modification carries out melt modification with 140-160 DEG C using mixer:
The good stand-by masterbatch of plasticizing is added in stand-by mixer, epoxy resin E-51 is added, EPDM is added, addition is modified
White carbon black put down floating weight, be kneaded, pressurization be kneaded 3-5min；Lift floating weight, 1/2 carbon black is added, 1/2 paraffin oil of addition is put
Lower floating weight is kneaded, and pressurization is kneaded 2-4min, then mentions floating weight, be added remaining carbon black, remaining paraffin oil, MgO, chlorinated paraffin,
Zinc borate, decabromodiphenylethane, antimony oxide, WB-212 carry out putting down floating weight, and pressurization is kneaded 3-5min, invert 2-
4min, then it is transferred to rotating forward, pressurization is kneaded when 160 DEG C of temperature display, then keeps the temperature 160 DEG C of mixing 1-3min discharges, after discharge, by force
Forced landing warms to room temperature；
5) mill
Using common cooling-down type open mill, lower than 75 DEG C at a temperature of ZnO and DCP, TAIC, HVA-2 is added, Bao Tong 6 times, beat
Triangle bag four times, clot four times uniform rear bottom sheet is dried, and parks 20-28h, back mixing.
6. the preparation method of melt modification POE/CPE/EPDM flame-resistant sealing material as claimed in claim 5, it is characterised in that
It further include following weight part ratio raw material when stock: TM-80 and 0.5-3.5 parts of zinc stearate mixture, PEG and RD mixture 2-5
Part；Wherein TM-80 in the TM-80 and zinc stearate mixture: in zinc stearate 1:0.5-1.5, PEG and RD mixture
PEG:RD is 2:1-2.5；Epoxy resin E-51 is being added in step 4 melt modification in the TM-80 and zinc stearate mixture
When be added, PEG and RD mixture is added in step 4 melt modification.
7. the preparation method of melt modification POE/CPE/EPDM flame-resistant sealing material as claimed in claim 6, it is characterised in that:
50 parts of the CPE, 40 parts of POE, EPDM20 parts, the mixing of 6 parts of epoxy resin E-51,5 parts of MgO, TM-80 and zinc stearate
2 parts of object, 2 parts of stabilizer, PEG and 3 parts of 12 parts of 3.5 parts of mixture, chlorinated paraffin, the zinc borate of RD, 10 parts of decabromodiphenylethane,
8 parts of antimony oxide, 3 parts of WB-212,1 part of anti-aging agent, 10 parts of white carbon black, 2 parts of SI-69,60 parts of carbon black, 35 parts of paraffin oil,
6 parts of DCP, 5 parts of ZnO, 3 parts of TAIC, 1 part of HVA-2.
8. the preparation method of melt modification POE/CPE/EPDM flame-resistant sealing material as claimed in claims 6 or 7, feature exist
In: the CPE is CPE6135 or CPE3000, the POE are POE8180, the EPDM is EPDM3090E, the stabilizer
For calcium-zinc composite stabilizing agent, the PEG be PEG-6000, the chlorinated paraffin is chlorinated paraffin 70#, the anti-aging agent be ODA,
The carbon black is carbon black N550, the paraffin oil is paraffin oil 800#。
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