CN1362445A - Prepn of sound-isolaitng damping composite polymer-base metal powder material - Google Patents

Abstract

The preparation method of macromolecular base metal power sound-proofing vibratio-reducing damping material includes the following steps: using SPVC, DOP, DBP, special-treated metal powder, non-toxic asphalt, alpha-carbonized high polymer, S-802 adjuvant, Z-adjuvant and non-toxic plastic stabilizing agent as raw material, mixing them in a high-speed mixer, Bandury mixing, discharging material for stand-by, them making metal powder undergo the processes of high-temp. removing oxygen and removing rust, adding S-802 and Z-S adjuvants to obtain treated metal powder for stand-by, finally, using double-roll mixing machine to mix said materials at 150 deg.C, rolling and curing, feeding said material sheet into three-roller calender to obtain the composite plastic film layer product.

Description

The preparation of sound-isolaitng damping composite polymer-base metal powder material

The present invention relates to the damping material, a kind of specifically preparation and method of novel high polymer based metal powder sound insulation vibration damping composite damping material.

Along with the development of modern industry, communications and transportation, aerospace industry, sound pollution has the trend of phenomenal growth in countries in the world.Noise not only endangers people's auditory system, if for a long time under noise circumstance, can make the people tired, deaf, even jeopardize people's life; But also can quicken to build, machine construction aging and damaging, influence the service precision and the life-span of equipment and instrument.Therefore, the noise control important subject that has become the countries in the world scientific worker.

Noise controlly mainly start with from two aspects, the one, sound source control, the 2nd, propagate control.Sound source control is a kind of method of effecting a permanent cure, if sound source from mechanical vibration, is then taked the measure of vibration damping, promptly adopts some vibration dampings, damping material.This respect product that puts into production at present is a lot, and rubber series, plastics series, coating series, alloy series, metal---high polymer composite material or the like are arranged.Present domestic development sound-absorbing material mainly comprises two big classes: the one, and inorganic sound-absorbing material is as urethane, polystyrene, polyvinyl chloride, polypropylene, polyethers, ethene etc.Develop rapidly along with plastics industry, organic sound-absorbing material has obtained application more and more widely, they itself have inorganic materials advantage useless, but have in light weight, forming model, can cut, prevent fires, moistureproof, mothproof, sound absorption coefficient is high, good springiness, not needle-holding hand, advantage such as applied widely.Though these organic sound-absorbing porous material acoustically effectives are better, ubiquitous shortcoming is: the molding procedure complexity, mostly need complicated second time of foaming method, and the difficult control of processing condition causes this raising thus, has influenced application.And the material thickness of general moulding is thicker, processing cutting and suitable all inconvenient.

Macromolecule based metal powder sound insulation composite sheet is a kind of novel sound wave barriers function material, and the quiet fragrant Co., Ltd. of Japan released with nontoxic pitch in 1998, and the alloyed metal powder is the vibration damping sheet material of material, but its effectiveness in vibration suppression is still undesirable.It is reported only has at present Japan that relevant research report is arranged, and existing commercial prod appears on the market, and has begun to enter its world market.China does not still have the research report of this respect at present, is badly in need of filling up research and product development blank.

Show according to the retrieval of pertinent datas such as Chinese patent, have not yet to see relevant report with macromolecule based metal powder sound insulation vibration damping composite damping sound-absorbing material of the present invention.

The objective of the invention is to provide a kind of and have sound absorption coefficient height, light weight, fire-retardant, moistureproof, mothproof, and novel sound-absorbing material easy to use, that price is low, intensity greatly, does not influence upholstery etc.---the preparation and the method for polymer-based bronze end sound insulation vibration damping composite damping material.

The object of the present invention is achieved like this: a kind of novel macromolecule based metal powder is characterized in that every the preparation of vibration damping composite damping material:

Material: SPVC, DOP, DBP, special processing metal-powder, nontoxic pitch, α one carbonization superpolymer, S-802 auxiliary agent, Z-S auxiliary agent, non-toxic plastic stablizer;

Described special processing metal-powder is characterized in that: have metalluster, non-corroding exposes the short period of time non-corrosive in air.

Prescription: PVC 100%, metal-powder 50%, DOP 20%, DBP 20%, nontoxic pitch 5～10%, α one carbonization superpolymer 6%, S-802 auxiliary agent 0.5%, z-S auxiliary agent 0.1%, non-toxic plastic stablizer 6%;

Technological process: PVC and DOP, DBP, nontoxic pitch, stabilizer for plastics mixed 30 minutes in high-speed mixer after, add α one carbonization superpolymer, remix 15 minutes, again through Banbury mixer banburying discharging in 30 minutes, standby, with metal-powder through high temperature deoxygenation processing of rust removing, add S-802 Z-S auxiliary agent to metal-powder handle, standby;

With twin-screw extruder standby materials such as PVC are refined glue and adding metal-powder after treatment under 150 ℃ condition, roller refines to the slaking slice and delivers to three roll-ins birth machine, through pressing compound layer of plastic film, is finished product again.

The present invention makes material have fabulous sound insulation function, performance and over-all properties because adopted three-component compound system; Secondly the present invention has adopted novel process for treating surface and compounding technology, effectively improves the interaction force at polymkeric substance and metallics interface, thereby has improved mechanical property effectively; The person is suitable for the starting material component and the kind of promotion and application, so cost is low, performance is good, so the present invention can reach the purpose of drafting owing to raw material and prescription that the present invention selects in addition.

Concrete preparation of the present invention and method are provided by following embodiment and skeleton diagram thereof.

Fig. 1 is a craft block-diagram of the present invention.

Embodiment 1:

PVC 1000 gram and DOP 200 grams, DBP 200 grams, nontoxic pitch 80 grams, stabilizer for plastics 60 grams are mixed 30 minutes in high-speed mixer after, add α one carbonization superpolymer 60 and restrain, remix 15 minutes, through Banbury mixer banburying discharging in 30 minutes, standby again; With metal-powder 500 gram through high temperature deoxygenation processing of rust removing, add S-802 and Z-S rib agent 6 grams to metal-powder handle, standby; PVC and DOP, DBP, nontoxic pitch, stabilizer for plastics mixed 30 minutes in high-speed mixer after, add α one carbonization superpolymer, remix 15 minutes, again through Banbury mixer banburying discharging in 30 minutes, standby, with metal-powder through high temperature deoxygenation processing of rust removing, when adding S-802 Z-S auxiliary agent metal-powder handle, standby;

With twin-screw extruder standby materials such as PVC are refined glue and adding metal-powder after treatment under 150 ℃ condition, roller refines to slaking, and slice is delivered to three roll-ins birth machine, through pressing compound layer of plastic film, is finished product again.

Claims (2)

1. a novel macromolecule based metal powder is characterized in that every the preparation of vibration damping composite damping material:

Material: SPVC, DOP, DBP, special processing metal-powder, nontoxic pitch, another carbonization superpolymer, the agent of S-802 rib, the agent of Z-S rib, non-toxic plastic stablizer;

Prescription: PVC 100%, metal-powder 50%, DOP 20%, DBP 20%, nontoxic pitch 5～10%, α one carbonization superpolymer 6%, S-802 auxiliary agent 0.5%, Z-S auxiliary agent 0.1%, non-toxic plastic stablizer 6%;

Technological process: PVC and DOP, DBP, nontoxic pitch, stabilizer for plastics mixed 30 minutes in high-speed mixer after, add α one carbonization superpolymer, remix 15 minutes, again through Banbury mixer banburying discharging in 30 minutes, standby, with metal-powder through high temperature deoxygenation processing of rust removing, add the agent of S-802 Z-S rib to metal-powder handle, standby;

With twin-screw extruder standby materials such as PVC are refined glue and adding metal-powder after treatment under 150 ℃ condition, roller refines to slaking, and slice is delivered to three roll-ins birth machine, through pressing compound layer of plastic film, is finished product again.

2. the preparation of sound-isolaitng damping composite polymer-base metal powder material according to claim 1 is characterized in that: described special processing metal-powder has metalluster, non-corroding.