CN108912574A - A kind of generator shock pad rubber and preparation method thereof - Google Patents
A kind of generator shock pad rubber and preparation method thereof Download PDFInfo
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- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
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Abstract
The invention belongs to field of rubber technology, and in particular to a kind of generator shock pad rubber and preparation method thereof, the rubber is made of the raw material of following parts by weight：32-45 parts of acrylic rubber, 15-25 parts of polyurethane rubber, 10-16 parts of epichlorohydrin rubber, 10-18 parts of glass fibre, 5-10 parts of polytetrafluoroethylene fibre, 1-3 parts of carbon black N330,3-6 parts of white carbon black VN-3,0.5-1.5 parts of stearic acid, 2-6 parts of atoleine, 10-15 parts of dibutyl phthalate, 1-2.2 parts of antioxidant D NP, 4-8 parts of cumyl peroxide, N, N ' -1-3 parts of penylene bismaleimide, 1-3 parts and accelerant CZ 5-10 parts of silane coupling agent.Rubber material hardness of the present invention is suitable, and intensity is high, and compression set amount is small, and elasticity is good, and wear-resisting property is excellent, good damping effect, is suitable for making generator shock pad.
Description
Technical field
The invention belongs to field of rubber technology, and in particular to a kind of generator shock pad rubber and preparation method thereof.
Background technique
Generator often generates vibration in the process of running, and vibration can generate noise, increases energy consumption, therefore, frequently with damping
It pads to eliminate vibratory impulse and absorb noise, still, existing generator rubber resilient cushion elasticity is poor, and damping effect is poor, and
And it is also undesirable to the eradicating efficacy of noise.
Publication No. CN105924703A Chinese patent application discloses a kind of electric power generator shock pad and its preparation
The raw material components of method, resilient cushion are as follows, are parts by weight：40-60 parts of butadiene-styrene rubber, 20-40 parts of neoprene, fluoroether rubber
It 23-26 parts, 0.1-15 parts of graphene, 13-15 parts of phenolic resin, 1-10 parts of silane coupling agent, 12-15 parts of semi-reinforcing furnace black, forges
Clay 10-12 parts of burning, 6~12 parts of surface treated Kevlar chopped strand, 1-10 parts of carbon black, nano molybdenum disulfide（MoS2）
5-7 parts, 1-10 parts of anti-aging agent, 4~8 parts of zinc oxide, 1-5 parts of promotor.The generator shock pad of the invention is with butadiene-styrene rubber, suitable
As major ingredient, resilient cushion obtained has wear-resistant, high temperature resistant, low noise and excellent shock resistance, resistance to for buna, fluoroether rubber
Mill property.But the patent uses butadiene-styrene rubber, neoprene and fluoroether rubber as substrate, the resilient cushion elasticity of preparation is poor,
Damping effect is poor.
The Chinese patent application of Publication No. CN106995537A discloses a kind of generator rubber resilient cushion and its preparation
Method, the resilient cushion are made of the raw material of following parts by weight：60-70 parts of natural rubber, 20-30 parts of ethylene propylene diene rubber,
10-20 parts of tetrafluoraoethylene-hexafluoropropylene copolymer, 5-10 parts of boron fibre, 5-10 parts of zinc oxide, 1-3 parts of stearic acid, anti-aging agent RD
1-3 parts, 1-3 parts of antioxidant 4010NA, 10-15 parts of white carbon black, 10-15 parts of attapulgite, 30-50 parts of precipitated calcium carbonate, chlorination
3-6 parts of paraffin, 20-30 parts of liquid coumarone, 1-3 parts of bis 25 vulcanizing agent, 2-8 parts of silane coupling agent, promotor TBTD 0.1-
1 part and captax 0.2-0.5 parts.It acts synergistically between each raw material of the invention, keeps Rubber shock-absorbing pad compressive deformation small, elasticity
Height, intensity is high, and wearability is good, high temperature resistant.But the patent uses natural rubber, ethylene propylene diene rubber and tetrafluoroethene-hexafluoro
Propylene copolymer is as substrate, and gained Rubber shock-absorbing pad tensile strength and tearing strength are slightly lower, and erasure effect is poor.
Summary of the invention
To overcome drawbacks described above, the purpose of the present invention is to provide a kind of generator shock pad rubber and its preparation sides
Method.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：32-45 parts of acrylic rubber, poly- ammonia
15-25 parts of ester rubber, 10-16 parts of epichlorohydrin rubber, 10-18 parts of glass fibre, 5-10 parts of polytetrafluoroethylene fibre, carbon black N330
1-3 parts, 3-6 parts of white carbon black VN-3,0.5-1.5 parts of stearic acid, 2-6 parts of atoleine, 10-15 parts of dibutyl phthalate,
1-2.2 parts of antioxidant D NP, 4-8 parts of cumyl peroxide, N, N ' -1-3 parts of penylene bismaleimide, it is silane coupled
1-3 parts and accelerant CZ 5-10 parts of agent.
Preferably, the rubber is made of the raw material of following parts by weight：36-42 parts of acrylic rubber, polyurethane rubber
16-21 parts of glue, 12-14 parts of epichlorohydrin rubber, 12-15 parts of glass fibre, 6-8 parts of polytetrafluoroethylene fibre, carbon black N330 1.5-
2.2 parts, 4-5 parts of white carbon black VN-3,0.6-1.2 parts of stearic acid, 3-5.5 parts of atoleine, dibutyl phthalate 11-13
Part, 1.5-2.1 parts of antioxidant D NP, 5-6.5 parts of cumyl peroxide, N, N '-penylene bismaleimide 1.5-2.5
Part, 1.7-2.8 parts and accelerant CZ 6-9 parts of silane coupling agent.
Preferably, the rubber is made of the raw material of following parts by weight：40 parts of acrylic rubber, polyurethane rubber 20
Part, 13 parts of epichlorohydrin rubber, 14 parts of glass fibre, 7 parts of polytetrafluoroethylene fibre, 2 parts of carbon black N330,4.5 parts of white carbon black VN-3,
1.0 parts of stearic acid, 5 parts of atoleine, 12 parts of dibutyl phthalate, 2 parts of antioxidant D NP, cumyl peroxide 6
Part, N, N ' -2.3 parts of penylene bismaleimide, 2.6 parts and 8.5 parts of accelerant CZ of silane coupling agent.
Preferably, the silane coupling agent is K550, KH560 or Si69.
A kind of preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 1- is kneaded under the conditions of 80-120 DEG C
Then glass fibre, polytetrafluoroethylene fibre and silane coupling agent is added in 5min, continue to be kneaded 10-15min, obtain sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 3-5min under the conditions of 60-80 DEG C, cumyl peroxide, N, N '-penylene span are then added
Come acid imide and accelerant CZ, continues to be kneaded 1-3min, slice；
（3）By step（2）Sheet stock be put into vulcanizing press vulcanize to get.
Preferably, step（3）The curing temperature is 150-170 DEG C, vulcanization time 10-20min.
Positive beneficial effect of the invention：
1. acrylic rubber of the present invention is heat-resisting, ageing-resistant, oil resistant, resistance to ozone, anti-ultraviolet property are excellent, but low temperature resistant
Performance is poor, hardly possible vulcanization；Polyurethane rubber has that hardness range is wide, intensity is high, high resiliency, high-wearing feature, tear-resistant, resistance to old
Change, resistance to ozone, shock-absorbing, anti-radiation and air permeation resistance can be good, but high temperature resistance is general；Epichlorohydrin rubber has excellent resistance to
Oil, resistance to ozone, heat resistance have excellent adhesiveness and processing performance, but poor flexibility；Three kinds of rubber share as substrate,
Not only make rubber material that there is high intensity, wearability and elasticity, but also is easily worked blending.Glass fibre, polytetrafluoroethylene (PTFE)
Fiber and silane coupling agent share, and good insulating, heat resistance are strong, corrosion resistance is good, high mechanical strength, through rubber substrate it
Between, height cross-linked network is formed, not only increases the elasticity of rubber material, and be conducive to the absorption of noise.Carbon black
N330 and white carbon black VN-3 is used in conjunction with as enhancing supplementary material, enhances the tensile strength and tearing strength of rubber material.Firmly
Resin acid and atoleine softened rubber material are processed convenient for rubber material.Dibutyl phthalate makes rubber material convenient for sulphur
Change, while elasticity can also be improved.Antioxidant D NP prevents rubber material premature aging, improves the service life of rubber.Peroxidating two
Isopropylbenzene and N, N '-penylene bismaleimide are vulcanizing system, are easy cross moulding between each raw material, accelerant CZ into
One step promotes the crosslinking of rubber material.The various raw materials of the application share, and gained rubber material shore hardness is 66-69 °, hardness
Properly；Tensile strength 21.2-25.1MPa, tensile elongation 526-572%, tearing strength 50.3-53.4 kN ﹒ m-1, intensity height；
Compression set amount 11.2-13.8%, resilience 66-76%, compression set amount is small, and elasticity is good；Coefficient of friction 0.53-
0.71, coefficient of friction is small, and wear-resisting property is excellent, good damping effect, is suitable for making generator shock pad.
2. rubber of the present invention is kneaded by substrate first, then it is crosslinked with glass fibre, polytetrafluoroethylene fibre, finally
It is kneaded with other raw materials, each stock dispersion is uniform, and mixing is abundant, gained rubber material stable structure, long service life.
Specific embodiment
Below with reference to some specific embodiments, the present invention is further described.
Embodiment 1
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：32 parts of acrylic rubber, polyurethane rubber
15 parts of glue, 10 parts of epichlorohydrin rubber, 10 parts of glass fibre, 5 parts of polytetrafluoroethylene fibre, 1 part of carbon black N330, white carbon black VN-3 3
Part, 0.5 part of stearic acid, 2 parts of atoleine, 10 parts of dibutyl phthalate, 1 part of antioxidant D NP, cumyl peroxide
4 parts, N, N ' -1 part of penylene bismaleimide, 1 part and 5 parts of accelerant CZ of silane coupling agent K550.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 3min is kneaded under the conditions of 80 DEG C, then
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent K550 is added, continues to be kneaded 10min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 3min under the conditions of 70 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 1min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 150 DEG C, vulcanization time 20min to get.
Embodiment 2
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：35 parts of acrylic rubber, polyurethane rubber
15 parts of glue, 11 parts of epichlorohydrin rubber, 12 parts of glass fibre, 5.5 parts of polytetrafluoroethylene fibre, 1.2 parts of carbon black N330, white carbon black VN-
3 3.5 parts, 0.5 part of stearic acid, 2.5 parts of atoleine, 11 parts of dibutyl phthalate, 1.2 parts of antioxidant D NP, peroxide
Change 4.3 parts of diisopropylbenzene (DIPB), N, N ' -1.2 parts of penylene bismaleimide, 1.2 parts of silane coupling agent KH560 and accelerant CZ
5.5 part.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 2min is kneaded under the conditions of 90 DEG C, then
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent KH560 is added, continues to be kneaded 12min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 5min under the conditions of 60 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 160 DEG C, vulcanization time 15min to get.
Embodiment 3
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：36 parts of acrylic rubber, polyurethane rubber
16 parts of glue, 12 parts of epichlorohydrin rubber, 12 parts of glass fibre, 6 parts of polytetrafluoroethylene fibre, 1.5 parts of carbon black N330, white carbon black VN-3
4 parts, 0.6 part of stearic acid, 3 parts of atoleine, 11 parts of dibutyl phthalate, 1.5 parts of antioxidant D NP, peroxidating two is different
5 parts of propyl benzene, N, N ' -1.5 parts of penylene bismaleimide, 1.7 parts and 6 parts of accelerant CZ of silane coupling agent Si69.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 1min is kneaded under the conditions of 100 DEG C, so
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent Si69 are added afterwards, continues to be kneaded 15min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 4min under the conditions of 70 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 3min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 170 DEG C, vulcanization time 15min to get.
Embodiment 4
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：38 parts of acrylic rubber, polyurethane rubber
18 parts of glue, 13 parts of epichlorohydrin rubber, 13 parts of glass fibre, 7 parts of polytetrafluoroethylene fibre, 1.8 parts of carbon black N330, white carbon black VN-3
4 parts, 0.8 part of stearic acid, 4 parts of atoleine, 12 parts of dibutyl phthalate, 1.8 parts of antioxidant D NP, peroxidating diisopropyl
5 parts of benzene, N, N ' -1.8 parts of penylene bismaleimide, 2 parts and 7.5 parts of accelerant CZ of silane coupling agent K550.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 1min is kneaded under the conditions of 120 DEG C, so
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent K550 are added afterwards, continues to be kneaded 15min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 3min under the conditions of 80 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 160 DEG C, vulcanization time 10min to get.
Embodiment 5
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：40 parts of acrylic rubber, polyurethane rubber
20 parts of glue, 13 parts of epichlorohydrin rubber, 14 parts of glass fibre, 7 parts of polytetrafluoroethylene fibre, 2 parts of carbon black N330, white carbon black VN-3
4.5 parts, 1.0 parts of stearic acid, 5 parts of atoleine, 12 parts of dibutyl phthalate, 2 parts of antioxidant D NP, peroxidating two is different
6 parts of propyl benzene, N, N ' -2.3 parts of penylene bismaleimide, 2.6 parts and 8.5 parts of accelerant CZ of silane coupling agent Si69.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 3min is kneaded under the conditions of 100 DEG C, so
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent Si69 are added afterwards, continues to be kneaded 12min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 4min under the conditions of 70 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 160 DEG C, vulcanization time 20min to get.
Embodiment 6
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：42 parts of acrylic rubber, polyurethane rubber
21 parts of glue, 14 parts of epichlorohydrin rubber, 15 parts of glass fibre, 8 parts of polytetrafluoroethylene fibre, 2.2 parts of carbon black N330, white carbon black VN-3
5 parts, 1.2 parts of stearic acid, 5.5 parts of atoleine, 13 parts of dibutyl phthalate, 2.1 parts of antioxidant D NP, peroxidating two
6.5 parts of isopropylbenzene, N, N ' -2.5 parts of penylene bismaleimide, 2.8 parts of silane coupling agent KH560 and accelerant CZ 9
Part.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 4min is kneaded under the conditions of 90 DEG C, then
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent KH560 is added, continues to be kneaded 15min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 4min under the conditions of 70 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 3min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 160 DEG C, vulcanization time 15min to get.
Embodiment 7
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：44 parts of acrylic rubber, polyurethane rubber
23 parts of glue, 15 parts of epichlorohydrin rubber, 16 parts of glass fibre, 9 parts of polytetrafluoroethylene fibre, 2.6 parts of carbon black N330, white carbon black VN-3
5.5 parts, 1.3 parts of stearic acid, 5.8 parts of atoleine, 14 parts of dibutyl phthalate, 2.2 parts of antioxidant D NP, peroxidating two
7 parts of isopropylbenzene, N, N ' -2.8 parts of penylene bismaleimide, 3 parts and 9.2 parts of accelerant CZ of silane coupling agent Si69.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 5min is kneaded under the conditions of 110 DEG C, so
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent Si69 are added afterwards, continues to be kneaded 10min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 4min under the conditions of 80 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 170 DEG C, vulcanization time 10min to get.
Embodiment 8
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：45 parts of acrylic rubber, polyurethane rubber
25 parts of glue, 16 parts of epichlorohydrin rubber, 18 parts of glass fibre, 10 parts of polytetrafluoroethylene fibre, 3 parts of carbon black N330, white carbon black VN-3 6
Part, 1.5 parts of stearic acid, 6 parts of atoleine, 15 parts of dibutyl phthalate, 2.2 parts of antioxidant D NP, peroxidating diisopropyl
8 parts of benzene, N, N ' -3 parts of penylene bismaleimide, 3 parts and 10 parts of accelerant CZ of silane coupling agent K550.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 1min is kneaded under the conditions of 120 DEG C, so
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent K550 are added afterwards, continues to be kneaded 15min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 5min under the conditions of 60 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 170 DEG C, vulcanization time 15min to get.
Comparative example 1
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：40 parts of acrylic rubber, polyurethane rubber
20 parts of glue, 13 parts of epichlorohydrin rubber, 7 parts of polytetrafluoroethylene fibre, 2 parts of carbon black N330,4.5 parts of white carbon black VN-3, stearic acid
1.0 parts, 5 parts of atoleine, 12 parts of dibutyl phthalate, 2 parts of antioxidant D NP, 6 parts of cumyl peroxide, N, N '-
Between 2.3 parts of penylene bismaleimide, 2.6 parts of silane coupling agent Si69 and 8.5 parts of accelerant CZ.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 3min is kneaded under the conditions of 100 DEG C, so
Polytetrafluoroethylene fibre and silane coupling agent Si69 are added afterwards, continues to be kneaded 12min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 4min under the conditions of 70 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 160 DEG C, vulcanization time 15min to get.
Comparative example 2
A kind of generator shock pad rubber, is made of the raw material of following parts by weight：40 parts of acrylic rubber, polyurethane rubber
20 parts of glue, 13 parts of nitrile rubber, 14 parts of glass fibre, 7 parts of polytetrafluoroethylene fibre, 2 parts of carbon black N330, white carbon black VN-3
4.5 parts, 1.0 parts of stearic acid, 5 parts of atoleine, 12 parts of dibutyl phthalate, 2 parts of antioxidant D NP, peroxidating two is different
6 parts of propyl benzene, N, N ' -2.3 parts of penylene bismaleimide, 2.6 parts and 8.5 parts of accelerant CZ of silane coupling agent Si69.
The preparation method of above-mentioned generator shock pad rubber, includes the following steps：
（1）Acrylic rubber, polyurethane rubber, nitrile rubber are added in open mill, 3min is kneaded under the conditions of 100 DEG C, so
Glass fibre, polytetrafluoroethylene fibre and silane coupling agent Si69 are added afterwards, continues to be kneaded 12min, obtains sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 4min under the conditions of 70 DEG C, cumyl peroxide, N are then added, N '-penylene span carrys out acyl
Imines and accelerant CZ continue to be kneaded 2min, slice；
（3）By step（2）Sheet stock, which is put into vulcanizing press, to be vulcanized, curing temperature be 160 DEG C, vulcanization time 15min to get.
Performance detection is carried out with rubber to the generator shock pad of 1-8 of the embodiment of the present invention and comparative example 1-2, is detected
It the results are shown in Table 1.
The generator shock pad rubber performance testing result of table 1 1-8 of the embodiment of the present invention and comparative example 1-2
As shown in Table 1, comparative example 1 omits the use of glass fibre, and comparative example 2 replaces chlorine ether rubber using nitrile rubber
Glue, gained rubber material firmness change is unobvious, and tensile strength, tensile elongation, tearing strength are decreased obviously, strength reduction；
Resilience decline, elasticity are deteriorated；Coefficient of friction becomes larger, and wearability is deteriorated.The various raw material synergistic effects of the present invention, gained rubber material
Expect that shore hardness is 66-69 °, hardness is suitable；Tensile strength 21.2-25.1MPa, tensile elongation 526-572%, tearing strength
50.3-53.4 kN ﹒ m-1, intensity height；Compression set amount 11.2-13.8%, resilience 66-76%, compression set amount
Small, elasticity is good；Coefficient of friction 0.53-0.71, coefficient of friction is small, and wear-resisting property is excellent, good damping effect, is suitable for production power generation
Machine resilient cushion.
Claims (6)
1. a kind of generator shock pad rubber, which is characterized in that be made of the raw material of following parts by weight：Acrylic rubber
32-45 parts, 15-25 parts of polyurethane rubber, 10-16 parts of epichlorohydrin rubber, 10-18 parts of glass fibre, polytetrafluoroethylene fibre 5-10
Part, 1-3 parts of carbon black N330,3-6 parts of white carbon black VN-3,0.5-1.5 parts of stearic acid, 2-6 parts of atoleine, phthalic acid two
10-15 parts of butyl ester, 1-2.2 parts of antioxidant D NP, 4-8 parts of cumyl peroxide, N, N '-penylene bismaleimide 1-3
Part, 1-3 parts and accelerant CZ 5-10 parts of silane coupling agent.
2. generator shock pad rubber according to claim 1, which is characterized in that the rubber is by following parts by weight
Raw material be made：36-42 parts of acrylic rubber, 16-21 parts of polyurethane rubber, 12-14 parts of epichlorohydrin rubber, glass fibre 12-
15 parts, 6-8 parts of polytetrafluoroethylene fibre, 1.5-2.2 parts of carbon black N330,4-5 parts of white carbon black VN-3,0.6-1.2 parts of stearic acid,
3-5.5 parts of atoleine, 11-13 parts of dibutyl phthalate, 1.5-2.1 parts of antioxidant D NP, cumyl peroxide 5-
6.5 parts, N, N ' -1.5-2.5 parts of penylene bismaleimide, 1.7-2.8 parts and accelerant CZ 6-9 parts of silane coupling agent.
3. generator shock pad rubber according to claim 2, which is characterized in that the rubber is by following parts by weight
Raw material be made：40 parts of acrylic rubber, 20 parts of polyurethane rubber, 13 parts of epichlorohydrin rubber, 14 parts of glass fibre, polytetrafluoroethyl-ne
7 parts of alkene fiber, 2 parts of carbon black N330,4.5 parts of white carbon black VN-3,1.0 parts of stearic acid, 5 parts of atoleine, phthalic acid two
12 parts of butyl ester, 2 parts of antioxidant D NP, 6 parts of cumyl peroxide, N, N ' -2.3 parts of penylene bismaleimide, silane idol
Join 2.6 parts and 8.5 parts of accelerant CZ of agent.
4. generator shock pad rubber according to claim 1-3, which is characterized in that described is silane coupled
Agent is K550, KH560 or Si69.
5. a kind of preparation method of generator shock pad rubber described in claim 1, which is characterized in that including following step
Suddenly：
（1）Acrylic rubber, polyurethane rubber, epichlorohydrin rubber are added in open mill, 1- is kneaded under the conditions of 80-120 DEG C
Then glass fibre, polytetrafluoroethylene fibre and silane coupling agent is added in 5min, continue to be kneaded 10-15min, obtain sizing material；
（2）In step（1）Carbon black N330, white carbon black VN-3, stearic acid, atoleine, two fourth of phthalic acid are added in sizing material
Ester and antioxidant D NP are kneaded 3-5min under the conditions of 60-80 DEG C, cumyl peroxide, N, N '-penylene span are then added
Come acid imide and accelerant CZ, continues to be kneaded 1-3min, slice；
（3）By step（2）Sheet stock be put into vulcanizing press vulcanize to get.
6. the preparation method of generator shock pad rubber according to claim 5, which is characterized in that step（3）It is described
Curing temperature be 150-170 DEG C, vulcanization time 10-20min.
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Application publication date: 20181130 |