CN105440385A - Sound-insulation noise-reduction rubber plate and preparation method thereof - Google Patents
Sound-insulation noise-reduction rubber plate and preparation method thereof Download PDFInfo
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- CN105440385A CN105440385A CN201510928960.9A CN201510928960A CN105440385A CN 105440385 A CN105440385 A CN 105440385A CN 201510928960 A CN201510928960 A CN 201510928960A CN 105440385 A CN105440385 A CN 105440385A
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Abstract
The invention discloses a sound-insulation noise-reduction rubber plate. The sound-insulation noise-reduction rubber plate is prepared from 60-80 parts by weight of regenerated rubber, 20-30 parts by weight of expanded perlite powder, 20-30 parts by weight of fly ash, 4-6 parts by weight of rosin, 2-4 parts by weight of butyl acrylate, 5-10 parts by weight of polymethyl ethylene carbonate, 0.1-0.2 parts by weight of potassium persulphate, 0.1-0.2 parts by weight of sodium dodecyl sulfate, 1-2 parts by weight of zinc stearate, 1-2 parts by weight of lanolin, 1-2 parts by weight of sulphur, 1-2 parts by weight of sodium starch octenyl succinate and 5-10 parts by weight of a composite auxiliary agent. The sound-insulation noise-reduction rubber plate has good mechanical properties and use performances, has functions of sound insulation and noise reduction, is conducive to improvement of an indoor environment and is suitable for interior decoration.
Description
Technical field
The present invention relates to regenerated rubber technical field, particularly relate to a kind of sound insulation and noise reduction rubber plate and preparation method thereof.
Background technology
Along with expanding economy, the demand of rubber is also being promoted.Meanwhile, the process of waste old also becomes one of serious problems that people face.The degradation property of rubber is poor, over a long time can not natural degradation, and a large amount of waste olds not only causes potential threat to physical environment, wastes resource.One of main path of waste old comprehensive utilization again processes waste old, makes it be converted into regenerated rubber, thus make the best use of everything, realize recycling economy development.Regenerated rubber can replace rubber on the one hand, alleviates the serious scarcity of natural rubber; Decrease potential pollution on the other hand, be conducive to environmental protection.
The subject matter that current regenerated rubber exists is exactly that its mechanical property indices declines, and poor processability, only can be applied to low grade products, and its use properties and value added are not high, limits its use in medium and high-grade goods.Therefore, improve over-all properties and the value added of reclaimed rubber products, widen the important development direction that its range of application is current reclaimed rubber products.Rubber plate is through being usually used in upholstery field, and the function promoting rubber plate sound insulation and noise reduction is conducive to improving indoor environment, has higher value added, practical.
Summary of the invention
The object of the invention is exactly the defect in order to make up prior art, provides a kind of sound insulation and noise reduction rubber plate and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of sound insulation and noise reduction rubber plate, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, swelling perlite powder 20-30, flyash 20-30, rosin 4-6, butyl acrylate 2-4, lined polymethyl ethylene carbonate 5-10, Potassium Persulphate 0.1-0.2, sodium lauryl sulphate 0.1-0.2, Zinic stearas 1-2, lanolin 1-2, sulphur 1-2, starch Sodium Octenyl Succinate 1-2, composite assistant 5-10;
Wherein composite assistant is made up of the raw material of following weight part: tea-seed oil 30-40, turps 3-5, glycerol 1-2, tributyl acetylcitrate 10-15, phytic acid 0.5-1,1-2, nano titanium oxide 1-2; The preparation method of composite assistant be by after glycerol, phytic acid, mixing 80-90 DEG C stir 0.5-1h, then mix with all the other raw materials, 50-60 DEG C, 1000-1500r/min stirs 1-2h, after cooling and get final product.
A preparation method for sound insulation and noise reduction rubber plate, comprises the following steps:
(1) mix pressing solid-liquid weight ratio 1:4-1:5 after swelling perlite powder and flyash mixing with water, add butyl acrylate and sodium lauryl sulphate 90-95 DEG C again, 1000-1500r/min stirs 5-10min, then instill rapidly the rosin of melting and stir 10-15min under similarity condition, finally add Potassium Persulphate 70-80 DEG C of reaction 4-6h, cooled and filtered, be ground to 100-200 order after 100-120 DEG C of drying completely, obtain modified powder;
(2) after regenerated rubber, lined polymethyl ethylene carbonate being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and lanolin 50-60 DEG C of stirring 1-2h, obtains rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10-15min prior to 100-120 DEG C, then all the other raw materials are added in 60-100 DEG C of mixing 0.5-1h, finally extrude with twin screw extruder 200-240 DEG C and obtain reclaimed rubber composite material, after Mould Machining is shaping, namely obtain sound insulation and noise reduction rubber plate.
Advantage of the present invention is:
Containing abundant activeconstituents in tea-seed oil, comprise tea-polyphenol, sterol, squalene etc., auxiliary softening effect can be played, tea-seed oil has stronger perviousness simultaneously, can penetrate in the space of rubber molecular chain rapidly and equably, increase rubber molecule spacing, contribute to flexibility and the mobility of improving sizing material, improve the processing characteristics of regenerated rubber.
The present invention is composite with tea-seed oil, turps and tributyl acetylcitrate, be aided with phytic acid, nano titanium oxide isoreactivity composition obtains composite assistant, the plasticity-of sizing material, mobility, tackiness can be increased, effectively improve weathering resistance and the processing characteristics of regenerated rubber; Rosin and butyl acrylate active group is introduced to swelling perlite powder, flyash mixed powder surface by emulsion copolymerization reaction, can interact with rubber molecular chain group, effectively improve the consistency of powder and sizing material, powder is uniformly dispersed in sizing material, improves the mechanical property of sizing material; Utilize the composite of each raw material and synergy, make the rubber plate obtained have good mechanical property and use properties, also have effect of sound insulation and noise reduction, be conducive to improving indoor environment, be applicable to upholstery and use.
Embodiment
A kind of sound insulation and noise reduction rubber plate, it is obtained by the raw material of following weight parts:
Regenerated rubber 60, swelling perlite powder 20, flyash 20, rosin 4, butyl acrylate 2, lined polymethyl ethylene carbonate 5, Potassium Persulphate 0.1, sodium lauryl sulphate 0.1, Zinic stearas 1, lanolin 1, sulphur 1, starch Sodium Octenyl Succinate 1, composite assistant 5;
Wherein composite assistant is made up of the raw material of following weight part: tea-seed oil 30, turps 3, glycerol 1, tributyl acetylcitrate 10, phytic acid 0.5,1, nano titanium oxide 1; Glycerol, phytic acid, latter 80 DEG C of mixing are stirred 0.5h by the preparation method of composite assistant, then mix with all the other raw materials, 50 DEG C, 1000r/min stirs 1h, after cooling and get final product.
A preparation method for sound insulation and noise reduction rubber plate, comprises the following steps:
(1) mix pressing solid-liquid weight ratio 1:4 after swelling perlite powder and flyash mixing with water, add butyl acrylate again and sodium lauryl sulphate 90 DEG C, 1000r/min stir 5min, then instill rapidly the rosin of melting and stir 10min under similarity condition, finally add Potassium Persulphate 70 DEG C reaction 4h, cooled and filtered, be ground to 100 orders after 100 DEG C of dryings completely, obtain modified powder;
(2) regenerated rubber, lined polymethyl ethylene carbonate are mixed latter 80 DEG C with composite assistant and mix 0.5h, then add Zinic stearas and 50 DEG C, lanolin stirring 1h, obtain rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10min prior to 100 DEG C, then all the other raw materials are added in 60 DEG C of mixing 0.5h, extrude with twin screw extruder 200 DEG C and obtain reclaimed rubber composite material, after Mould Machining is shaping, namely obtain sound insulation and noise reduction rubber plate.
Carry out performance test to above-mentioned obtained rubber plate, result is as follows:
Interventions Requested | Unit | Detected result |
Shore hardness | Degree | 74 |
Tensile strength | MPa | 16.7 |
Elongation at break | % | 360 |
Claims (2)
1. a sound insulation and noise reduction rubber plate, is characterized in that, it is obtained by the raw material of following weight parts:
Regenerated rubber 60-80, swelling perlite powder 20-30, flyash 20-30, rosin 4-6, butyl acrylate 2-4, lined polymethyl ethylene carbonate 5-10, Potassium Persulphate 0.1-0.2, sodium lauryl sulphate 0.1-0.2, Zinic stearas 1-2, lanolin 1-2, sulphur 1-2, starch Sodium Octenyl Succinate 1-2, composite assistant 5-10;
Described composite assistant is made up of the raw material of following weight part: tea-seed oil 30-40, turps 3-5, glycerol 1-2, tributyl acetylcitrate 10-15, phytic acid 0.5-1,1-2, nano titanium oxide 1-2; The preparation method of composite assistant be by after glycerol, phytic acid, mixing 80-90 DEG C stir 0.5-1h, then mix with all the other raw materials, 50-60 DEG C, 1000-1500r/min stirs 1-2h, after cooling and get final product.
2. the preparation method of a kind of sound insulation and noise reduction rubber plate according to claim 1, is characterized in that, comprise the following steps:
(1) mix pressing solid-liquid weight ratio 1:4-1:5 after swelling perlite powder and flyash mixing with water, add butyl acrylate and sodium lauryl sulphate 90-95 DEG C again, 1000-1500r/min stirs 5-10min, then instill rapidly the rosin of melting and stir 10-15min under similarity condition, finally add Potassium Persulphate 70-80 DEG C of reaction 4-6h, cooled and filtered, be ground to 100-200 order after 100-120 DEG C of drying completely, obtain modified powder;
(2) after regenerated rubber, lined polymethyl ethylene carbonate being mixed with composite assistant, 80-100 DEG C mixes 0.5-1h, then adds Zinic stearas and lanolin 50-60 DEG C of stirring 1-2h, obtains rubber stock;
(3) modified powder in (1) is added in reactor jointly with the rubber stock in (2) mix 10-15min prior to 100-120 DEG C, then all the other raw materials are added in 60-100 DEG C of mixing 0.5-1h, finally extrude with twin screw extruder 200-240 DEG C and obtain reclaimed rubber composite material, after Mould Machining is shaping, namely obtain sound insulation and noise reduction rubber plate.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106117687A (en) * | 2016-08-09 | 2016-11-16 | 安徽微威胶件集团有限公司 | A kind of rubber slab for noise deadening |
CN106366388A (en) * | 2016-08-30 | 2017-02-01 | 安徽微威胶件集团有限公司 | Sound-insulating and noise-reducing rubber plate and making method thereof |
CN109553952A (en) * | 2018-12-05 | 2019-04-02 | 福建汉祥纺织科技有限公司 | A kind of PPC new type high temperature body appearance compound insulating material and preparation method thereof |
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CN102775180A (en) * | 2011-05-11 | 2012-11-14 | 福建朗宇环保科技有限公司 | Lightweight acoustic panel containing rare earth catalyst, and preparation method thereof |
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2015
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CN101173069A (en) * | 2007-10-16 | 2008-05-07 | 浙江绿环橡木有限公司 | Restored rubber produced hardwood sheet material and method for producing the same |
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CN102775180A (en) * | 2011-05-11 | 2012-11-14 | 福建朗宇环保科技有限公司 | Lightweight acoustic panel containing rare earth catalyst, and preparation method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106117687A (en) * | 2016-08-09 | 2016-11-16 | 安徽微威胶件集团有限公司 | A kind of rubber slab for noise deadening |
CN106366388A (en) * | 2016-08-30 | 2017-02-01 | 安徽微威胶件集团有限公司 | Sound-insulating and noise-reducing rubber plate and making method thereof |
CN109553952A (en) * | 2018-12-05 | 2019-04-02 | 福建汉祥纺织科技有限公司 | A kind of PPC new type high temperature body appearance compound insulating material and preparation method thereof |
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