CN104356583B - A kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof - Google Patents

A kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof Download PDF

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CN104356583B
CN104356583B CN201410432327.6A CN201410432327A CN104356583B CN 104356583 B CN104356583 B CN 104356583B CN 201410432327 A CN201410432327 A CN 201410432327A CN 104356583 B CN104356583 B CN 104356583B
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silicone rubber
vinyl silicone
rubber modified
methyl phenyl
phenyl vinyl
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CN104356583A (en
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张国英
刘辉
张永
周传健
谢连科
林爱杰
巩泉泉
孙梅荣
马新刚
臧玉魏
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
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Abstract

The invention discloses a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof, comprise the following steps: (1) by mixing for ABS resin to bag roller, add methyl phenyl vinyl silicone rubber wherein, evenly mixing, add radical initiator again, continue mixing, bottom sheet, obtain phenyl siloxane rubber modified master; (2) the phenyl siloxane rubber modified master that step (1) obtains is mixed with ABS resin, granulation, obtain methyl phenyl vinyl silicone rubber modified ABS sound-proof material; Wherein, described radical initiator is superoxide or the azo compound that can produce free radical.Improve compared with the method for soundproof effect with tradition by adding high-density packing, the present invention utilizes the loss of damping capacity increase sound wave in communication process of phenyl siloxane rubber, effectively reduces the density of material, simplifies complete processing.

Description

A kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof
Technical field
The present invention relates to a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof, belong to technical field of polymer materials.
Background technology
ABS resin is acrylonitrile-butadiene-styrene copolymer, one of five large synthetic resins, its shock resistance, heat-resisting, low temperature resistant, chemical proofing and excellent electrical properties, also there is the features such as easy processing, product size is stable, surface luster property is good, easy application, painted, surface metallization, plating, welding, hot pressing and the secondary processing such as bonding can also be carried out, being widely used in the industrial circles such as machinery, automobile, electronic apparatus, instrument, weaving and building, is the thermoplastic engineering plastic that a kind of purposes is extremely wide.
In ABS resin 1,3-divinyl provides low temperature ductility and shock resistance for ABS resin, vinyl cyanide provides the character of the chemical corrosions such as hardness, thermotolerance, acidproof alkali salt for ABS resin, vinylbenzene provides the character such as hardness, the mobility of processing and the smooth finish of product surface for ABS resin, by the adjustment to three kinds of component proportionss, the function that ABS resin is different can be given, as used, as thermoplastic elastomer use etc. as plastics.ABS resin can also by filling, the method such as blended, enhancing carries out modification, ABS is of many uses, but resin is inflammable, mainly concentrates on flame-retardant modified to its research.Owing to being the polymkeric substance of many blocks, ABS resin also may be used for the preparation of acoustic insulation products, but molecule internal friction resistance is little at normal temperatures due to it, and soundproof effect is not good, therefore ABS resin is at acoustic insulation products, particularly requires that the application in higher field is restricted at soundproof effect.Therefore, how by ABS resin modification, on the basis keeping its excellent machinability, the damping capacity improving material is further current problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof, to obtain the good modified ABS material of soundproof effect.
For achieving the above object, the present invention adopts following technical proposals:
A preparation method for methyl phenyl vinyl silicone rubber modified ABS sound-proof material, comprises the following steps:
(1) methyl phenyl vinyl silicone rubber is added by mixing for ABS resin wherein to bag roller, evenly mixing, then add radical initiator, continue mixing, bottom sheet, obtain phenyl siloxane rubber modified master;
(2) the phenyl siloxane rubber modified master that step (1) obtains is mixed with ABS resin, granulation, obtain methyl phenyl vinyl silicone rubber modified ABS sound-proof material;
Wherein, described radical initiator is superoxide or the azo compound that can produce free radical.
Preferably, described radical initiator is dibenzoyl peroxide, dicumyl peroxide, Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile);
Preferred, described radical initiator is dibenzoyl peroxide;
In step (1), need drying process before ABS resin is mixing, time of drying is 6-10h, and drying temperature is 85 DEG C;
In step (1), in described methyl phenyl vinyl silicone rubber, the mass percentage of vinyl chain link is 0.15%-15%, and the mass percentage of phenyl chain link is 5%-30%;
In step (1), time mixing, roller Wen Wendu is preliminary roller 155 DEG C-165 DEG C, 155 DEG C-165 DEG C, rear roller;
Preferably, in step (1), time mixing, roller Wen Wendu is preliminary roller 165 DEG C, 165 DEG C, rear roller.
In step (2), the mode of granulation is for adopting twin screw extruder extruding pelletization; Extruder temperature is set to: subregion temperature control in extruder barrel, is specially: 1st district temperature control 166 DEG C, 2nd district temperature control 174 DEG C, 3rd district temperature control 178 DEG C, 4th district temperature control 181 DEG C; Head temperature control 175 DEG C, melt temperature 155 DEG C, melt pressure 13.00MPa;
Step (1) is prepared in phenyl siloxane rubber modified ABS masterbatch, and the mass ratio of the add-on of ABS resin, methyl phenyl vinyl silicone rubber, radical initiator is: 1:(1 ~ 2): (0.02 ~ 0.04);
Step (2) preparation is respectively answered in material, and the mass ratio of the add-on of phenyl siloxane rubber modified master, ABS resin is: 1:(2.81 ~ 36.1).
Preferably, in step (2), the mass ratio of the add-on of phenyl siloxane rubber modified master, ABS resin is: 1:(2.81 ~ 7.52).
Methyl phenyl vinyl silicone rubber, English name: Phenyl Polysiloxane rubber, its structural formula is as follows:
It is at the multipolymer be made up of dimethyl siloxane chain link, methylphenyl siloxane chain link or diphenyl siloxane chain link and a certain amount of methyl vinyl silicone chain link, wherein a+b+c >=50,30% >=a/ (a+b+c) * 100% >=5%, 10% >=c/ (a+b+c) * 100% >=0.15%.Polymer glass temperature can be reduced on the one hand by the phenyl introducing large volume and add the damping capacity of material, also because methyl phenyl vinyl silicone rubber and ABS resin exist the consistency of part, certain being separated can be produced at two-phase interface, further increase sound wave is at the multiple reflections of material internal, thus further consumed energy, both actings in conjunction, improve the soundproof effect of material, this increases acoustic reflection with by improving density of material to improve the traditional method of soundproof effect completely different.
Beneficial effect of the present invention:
(1) pass through to add high-density packing with tradition to improve compared with the method for soundproof effect, utilize the damping capacity of phenyl siloxane rubber to increase the loss of sound wave in communication process, effectively reduce the density of material, simplify complete processing;
(2) utilize the mode of phenyl siloxane rubber and ABS microphase-separated to further increase the waste of energy of propagation process of sound wave, effectively improve soundproof effect;
(3) adopt the mode first preparing modified master, be convenient to, according to different application condition adjustment formula, simplify complete processing.Accompanying drawing explanation
Fig. 1 is the noise reduction value of the methyl phenyl vinyl silicone rubber modified ABS sound-proof material material at different frequencies of example 1 of the present invention preparation;
Fig. 2 is the noise reduction value of the methyl phenyl vinyl silicone rubber modified ABS sound-proof material material at different frequencies of example 2 of the present invention preparation;
Fig. 3 is the noise reduction value of the methyl phenyl vinyl silicone rubber modified ABS sound-proof material material at different frequencies of example 3 of the present invention preparation;
Fig. 4 is the noise reduction value of unmodified ABS resin material material at different frequencies.
Embodiment
The present invention is further illustrated in conjunction with the embodiments, should be noted that following explanation is only to explain the present invention, not limiting its content.
Embodiment 1
Prepare a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material:
Preset mill roller temperature for preliminary roller 165 DEG C, 165 DEG C, rear roller, after roller temperature rise to design temperature, to be placed in air dry oven, ABS resin pellet after 85 DEG C of dry 8h adds between two rollers, plastifies after bag roller, evenly add methyl phenyl vinyl silicone rubber wherein until ABS, mixing evenly after, add dibenzoyl peroxide, mixing 15 minutes, bottom sheet, phenyl siloxane rubber modified master (I) is obtained, dry for standby after cooling crush; Wherein, the methyl phenyl vinyl silicone rubber added accounts for 66.7% of mixture total mass, and the dibenzoyl peroxide added accounts for 2% of mixture total mass.
By preparation phenyl siloxane rubber modified master (I) with ABS resin in mass ratio for 1:36.1 mixes, join extruding pelletization in twin screw extruder.Extruder temperature is set to: 1st district temperature control 166 DEG C in extruder barrel, 2nd district temperature control 174 DEG C, 3rd district temperature control 178 DEG C, 4th district temperature control 181 DEG C, head temperature control 175 DEG C, melt temperature 155 DEG C, melt pressure 13.00MPa.The moving material cold palletizing machine pelletizing of extruding, collects, is placed in air dry oven inner drying 6h, takes out for subsequent use.
In the present embodiment, in methyl phenyl vinyl silicone rubber, the mass percentage of phenyl chain link is 20%, and the mass percentage of vinyl chain link is 5%.
Embodiment 2
Prepare a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material:
Preparation method is as follows: preset mill roller temperature for preliminary roller 155 DEG C, 155 DEG C, rear roller, after roller temperature rise to design temperature, will be placed in air dry oven, ABS resin pellet after 85 DEG C of dry 8h adds between two rollers, plastify after bag roller until ABS, evenly add methyl phenyl vinyl silicone rubber wherein, mixing evenly after, add dibenzoyl peroxide mixing for some time, bottom sheet, obtains phenyl siloxane rubber modified master (II), dry for standby after cooling crush; Wherein, the methyl phenyl vinyl silicone rubber added accounts for 66.7% of mixture total mass, and the dibenzoyl peroxide added accounts for 2% of mixture total mass.
By preparation phenyl siloxane rubber modified master (II) with ABS resin in mass ratio for 1:7.52 mixes, join extruding pelletization in twin screw extruder.Extruder temperature is set to: 1st district temperature control 166 DEG C in extruder barrel, 2nd district temperature control 174 DEG C, 3rd district temperature control 178 DEG C, 4th district temperature control 181 DEG C, head temperature control 175 DEG C, melt temperature 155 DEG C, melt pressure 13.00MPa.The moving material cold palletizing machine pelletizing of extruding, collects, is placed in air dry oven inner drying 6h, takes out for subsequent use.
In the present embodiment, in methyl phenyl vinyl silicone rubber, the mass percentage of phenyl chain link is 15%, and the mass percentage of vinyl chain link is 1%.
Embodiment 3
Prepare a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material:
Preparation method is as follows: preset mill roller temperature for preliminary roller 155 DEG C, 155 DEG C, rear roller, after roller temperature rise to design temperature, will be placed in air dry oven, ABS resin pellet after 85 DEG C of dry 8h adds between two rollers, plastify after bag roller until ABS, evenly add methyl phenyl vinyl silicone rubber wherein, mixing evenly after, add dibenzoyl peroxide mixing for some time, bottom sheet, obtains phenyl siloxane rubber modified master (III), dry for standby after cooling crush; Wherein, the methyl phenyl vinyl silicone rubber added accounts for 66.7% of mixture total mass, and the dibenzoyl peroxide added accounts for 1.5% of mixture total mass.
By preparation phenyl siloxane rubber modified master (III) with ABS resin in mass ratio for 1:2.81 mixes, join extruding pelletization in twin screw extruder.Extruder temperature is set to: 1st district temperature control 166 DEG C in extruder barrel, 2nd district temperature control 174 DEG C, 3rd district temperature control 178 DEG C, 4th district temperature control 181 DEG C, head temperature control 175 DEG C, melt temperature 155 DEG C, melt pressure 13.00MPa.The moving material cold palletizing machine pelletizing of extruding, collects, is placed in air dry oven inner drying 6h, takes out for subsequent use.
In the present embodiment, in methyl phenyl vinyl silicone rubber, the mass percentage of phenyl chain link is 20%, and the mass percentage of vinyl chain link is 1%.
Embodiment 4
In methyl phenyl vinyl silicone rubber used in the present embodiment, phenyl mass percentage is 30%, vinyl mass percentage is 4%, all the other preparation methods are with embodiment 3, preparing a kind of weight ratio phenyl content is 30%, contents of ethylene be 4% weight ratio be 17.8% methyl phenyl vinyl silicone rubber modified ABS sound-proof material.
The performance test of sound-proof material and evaluation:
The modified ABS sound-proof material prepared by embodiment of the present invention 1-3 and unmodified ABS material, be injection molded into the print that diameter is 10mm, thickness 3mm, and adopt standing-wave-tube method to measure the sound insulation coefficient of material, performance test data as shown in Figures 1 to 4.
As can be seen from Fig. 1 to Fig. 3: embodiment 2 and embodiment 3 prepare the material modified noise reduction value at below 500HZ prepared than embodiment 1 of modified ABS sound-proof material larger.Illustrate that suitably increasing phenyl glue ratio can improve material modified noise reduction value.
Fig. 4 is the sound-proofing properties test data figure of unmodified ABS resin material, and comparison diagram 1 to Fig. 3 can find out, at the frequency band of 0 ~ 400HZ, particularly 200 ~ 400HZ frequency range, modified ABS material significantly improves than unmodified ABS noise reduction value.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.

Claims (10)

1. a preparation method for methyl phenyl vinyl silicone rubber modified ABS sound-proof material, is characterized in that, comprises the following steps:
(1) methyl phenyl vinyl silicone rubber is added by mixing for ABS resin wherein to bag roller, evenly mixing, then add radical initiator, continue mixing, bottom sheet, obtain phenyl siloxane rubber modified master;
(2) the phenyl siloxane rubber modified master that step (1) obtains is mixed with ABS resin, granulation, obtain methyl phenyl vinyl silicone rubber modified ABS sound-proof material;
Wherein, described radical initiator is superoxide or the azo compound that can produce free radical;
In step (1), the mass ratio of the add-on of ABS resin, methyl phenyl vinyl silicone rubber, radical initiator is: 1:(1 ~ 2): (0.02 ~ 0.04);
In step (2), the mass ratio of the add-on of phenyl siloxane rubber modified master, ABS resin is: 1:(2.81 ~ 36.1).
2. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1, it is characterized in that, described radical initiator is dibenzoyl peroxide, dicumyl peroxide, Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile).
3. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1 or 2, it is characterized in that, described radical initiator is dibenzoyl peroxide.
4. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1, is characterized in that, in step (1), need drying process before ABS resin is mixing, time of drying is 6-10h, and drying temperature is 85 DEG C.
5. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1, it is characterized in that, in step (1), in described methyl phenyl vinyl silicone rubber, the mass percentage of vinyl chain link is 0.15%-15%, and the mass percentage of phenyl chain link is 5%-30%.
6. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1, is characterized in that, in step (1), time mixing, roller Wen Wendu is preliminary roller 155 DEG C-165 DEG C, 155 DEG C-165 DEG C, rear roller.
7. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 6, is characterized in that, in step (1), time mixing, roller Wen Wendu is preliminary roller 165 DEG C, 165 DEG C, rear roller.
8. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1, is characterized in that, in step (2), the mode of granulation is for adopting twin screw extruder extruding pelletization; Concrete extruder temperature is set to: 1st district temperature control 166 DEG C, 2nd district temperature control 174 DEG C, 3rd district temperature control 178 DEG C, 4th district temperature control 181 DEG C, head temperature control 175 DEG C, melt temperature 155 DEG C, melt pressure 13.00MPa.
9. the preparation method of a kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material as claimed in claim 1, it is characterized in that, in step (2), the mass ratio of the add-on of phenyl siloxane rubber modified master, ABS resin is: 1:(2.81 ~ 7.52).
10. methyl phenyl vinyl silicone rubber modified ABS sound-proof material prepared by the preparation method described in any one of claim 1 to 9.
CN201410432327.6A 2014-08-28 2014-08-28 A kind of methyl phenyl vinyl silicone rubber modified ABS sound-proof material and preparation method thereof Active CN104356583B (en)

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CN106700400A (en) * 2017-01-09 2017-05-24 邝耀燊 High-damping silicone rubber modified ABS (acrylonitrile-butadiene-styrene) acoustic insulating material preparation method based on low-frequency noise protection
CN108997646A (en) * 2018-08-06 2018-12-14 李明珠 A kind of antibacterial sound insulating sheet material and preparation method thereof
CN108864705B (en) * 2018-08-06 2021-12-10 苏州宝富塑料制品有限公司 Flame-retardant sound-insulation composite material and preparation method thereof
CN109054391B (en) * 2018-08-06 2021-12-31 广州凝博科技有限公司 Sound insulation material and preparation method thereof
CN111040362B (en) * 2019-12-13 2022-11-08 上海长伟锦磁工程塑料有限公司 Halogen-free flame-retardant sound-insulation ASA/POK alloy material and preparation method thereof
CN112708253B (en) * 2020-12-25 2023-07-18 上海长伟锦磁工程塑料有限公司 Sound-insulating antistatic halogen-free flame-retardant polycarbonate composite material and preparation method thereof
CN112812414B (en) * 2020-12-31 2022-07-26 浙江佳华精化股份有限公司 Fluorosilicone polymer processing aid master batch and preparation method thereof

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