CN104231343A - Rubber material with extremely thin rubber flavor - Google Patents

Abstract

The invention discloses a rubber material with extremely thin rubber flavor, which is composed of the following raw materials in parts by weight: 0.4-1 part of tetraethylammonium tetrafluoroborate, 0.5-1 part of methyl iso-eugenol, 0.6-1 part of triterpenoid saponin, 1-2 parts of polyacrylamide, 10-17 parts of ground calcium carbonate, 1-2 parts of an accelerant CM, 1-2 parts of dibenzothiazyl disulfide, 0.6-1 part of 2-mercapto benzimidazole, 1-2 parts of citionella oil, 0.6-1 part of 4-dimethylaminopyridine, 1-2 parts of 1,4-cyclohexanedimethanol, 7-10 parts of dioctyl sebacate, 1-2 parts of hydratized zinc borate, 0.6-1 part of polydimethylsiloxane, 100-106 parts of natural rubber svr3l, and 3-5 parts of a modifying aid. The citronella oil, methyl iso-eugenol, and the like added in the rubber material disclosed by the invention can effectively reduce the flavor of rubber, so that the application range of the rubber material is increased, and the rubber material can be used as rubber materials for kitchens and home appliances and the like; the rubber material is safe and non-toxic, has no side effect; and the rubber material is good in water repellency and abrasion resistance, long in service life and low in cost.

Description

The rubber mass that a kind of rubber taste is very light

Technical field

The present invention relates generally to rubber materials, particularly relates to the rubber mass that a kind of rubber taste is very light.

Background technology

Natural rubber has the characteristics such as excellent rebound resilience, insulativity, water-resisting property and plasticity-, and, after suitable process, also there is oil resistant, the valuable character such as acidproof, alkaline-resisting, heat-resisting, cold-resistant, withstand voltage, wear-resisting, so, there is extensive use.

The rain boots such as, used in daily life, hot-water bag, elastic tape; Surgeon's gloves, blood transfusion tube, condom that medical and health industry is used; The various tires that communications and transportation uses; The travelling belt of industrial use, travelling belt, acidproof and alkali-resistant gloves; The irrigation hose agriculturally used, ammoniacal liquor bag; The sounding balloon of meteorologic survey; The sealing of scientific experimentation, shock-absorption; The aircraft that national defence uses, tank, artillery, smoke mask; Even the high-grade, precision and advanced scientific and technical product such as rocket, artificial earth satellite and spaceship all be unable to do without natural rubber.

Summary of the invention

The object of the invention is just to provide the very light rubber mass of a kind of rubber taste.

The present invention is achieved by the following technical solutions:

The rubber mass that rubber taste is very light, it is made up of the raw material of following weight parts:

Tetraethyl-ammonium tetrafluoroborate 0.4-1, methylisoeugenol 0.5-1, triterpenoid saponin 0.6-1, polyacrylamide 1-2, water-ground limestone 10-17, accelerant C M1-2, dibenzothiazyl disulfide 1-2,2-mercaptobenzimidazole 0.6-1, pamorusa oil 1-2, DMAP 0.6-1,1,4 cyclohexane dimethanol 1-2, dioctyl sebacate 7-10, hydration zinc borate 1-2, polydimethylsiloxane 0.6-1, natural rubber svr3l 100-106, modified additive 3-5;

Described modified additive is made up of each raw material of following weight parts:

Ammonium persulphate 2-3, scolecite 10-16, squalane 1-2, methyl methacrylate 2-4, Microcrystalline Wax 10-15, graphene oxide 0.6-1, distearyl acyl-oxygen sec.-propyl Aluminate 1-2, deionized water 60-70;

Microcrystalline Wax is heated to 80-85 DEG C, adds methyl methacrylate, scolecite, insulated and stirred 3-5 minute, reduction temperature is 50-60 DEG C, adds the 30-40% of distearyl acyl-oxygen sec.-propyl Aluminate weight, 200-300 rev/min of dispersed with stirring 10-20 minute, be cooled to normal temperature, obtain Preblend;

Mixed with graphene oxide by ammonium persulphate, join in deionized water, add above-mentioned Preblend and each raw material of residue after stirring, 800-1000 rev/min of dispersed with stirring 10-15 minute, dries, wears into fine powder, obtain described modified additive.

A preparation method for the rubber mass that rubber taste as claimed in claim 1 is very light, is characterized in that comprising the following steps:

(1) methylisoeugenol, triterpenoid saponin are mixed to join 1, in 4-cyclohexanedimethanol, natural rubber svr3l is added after stirring, insulated and stirred 20-30 minute at 50-60 DEG C, add pamorusa oil, polydimethylsiloxane, 400-500 rev/min of dispersed with stirring 20-30 minute, obtains modified rubber;

(2) above-mentioned modified rubber is put into Banbury mixer banburying 30-40s, banburying temperature is 70-100 DEG C, add each raw material except accelerant C M, dibenzothiazyl disulfide, mixing 15-20 minute, binder removal, is cooled to less than 50 DEG C, in input mill, add each raw material of residue, thin-pass 3-5 time, obtains the rubber mass that described rubber taste is very light.

Advantage of the present invention is:

The pamorusa oil that rubber mass of the present invention adds, methylisoeugenol etc. can effectively reduce the taste of rubber, increase the use range of rubber mass, may be used for the rubber such as kitchen, household electrical appliances materials, safe without toxic side effect, and waterproof resistance to abrasion is good, long service life, cost is low.

In modified additive of the present invention, ammonium persulphate, scolecite is mixed and modified, not only accomplish solid waste renewable resources, effectively can also improve the mechanical property of finished product, strengthen resistance and physical strength.

Embodiment

Embodiment 1

The rubber mass that rubber taste is very light, it is made up of the raw material of following weight parts:

Tetraethyl-ammonium tetrafluoroborate 0.4, methylisoeugenol 0.5, triterpenoid saponin 0.6, polyacrylamide 2, water-ground limestone 10, accelerant C M1, dibenzothiazyl disulfide 1,2-mercaptobenzimidazole 0.6, pamorusa oil 2, DMAP 0.6,1,4 cyclohexane dimethanol 2, dioctyl sebacate 10, hydration zinc borate 2, polydimethylsiloxane 0.6, natural rubber svr3l 106, modified additive 5;

Described modified additive is made up of each raw material of following weight parts:

Ammonium persulphate 3, scolecite 16, squalane 1-2, methyl methacrylate 4, Microcrystalline Wax 15, graphene oxide 0.6, distearyl acyl-oxygen sec.-propyl Aluminate 2, deionized water 70;

Microcrystalline Wax is heated to 85 DEG C, adds methyl methacrylate, scolecite, insulated and stirred 5 minutes, reducing temperature is 60 DEG C, adds 30%, 300 revs/min of dispersed with stirring 20 minutes of distearyl acyl-oxygen sec.-propyl Aluminate weight, is cooled to normal temperature, obtains Preblend;

Mixed with graphene oxide by ammonium persulphate, join in deionized water, add above-mentioned Preblend and each raw material of residue after stirring, 1000 revs/min of dispersed with stirring 15 minutes, dry, wear into fine powder, obtain described modified additive.

A preparation method for the rubber mass that rubber taste is very light, is characterized in that comprising the following steps:

(1) methylisoeugenol, triterpenoid saponin are mixed to join in 1,4 cyclohexane dimethanol, after stirring, add natural rubber svr3l, insulated and stirred 20-30 minute at 60 DEG C, add pamorusa oil, polydimethylsiloxane, 500 revs/min of dispersed with stirring 30 minutes, obtain modified rubber;

(2) above-mentioned modified rubber is put into Banbury mixer banburying 40s, banburying temperature is 100 DEG C, add each raw material except accelerant C M, dibenzothiazyl disulfide, mixing 20 minutes, binder removal, was cooled to less than 50 DEG C, in input mill, add each raw material of residue, thin-pass 5 times, obtains the rubber mass that described rubber taste is very light.

Performance test:

Tensile strength: 14.7Mpa;

Compression set (70 DEG C × 72h): 12.3%;

70 DEG C × 72h air oven aging test:

Tensile strength at yield reduced rate: 5.0%, elongation at break reduced rate: 8.1%;

Ozone resistance (50ppm × 40 DEG C × 72h): flawless.

Claims (2)

1. the rubber mass that rubber taste is very light, is characterized in that what it was made up of the raw material of following weight parts:

Tetraethyl-ammonium tetrafluoroborate 0.4-1, methylisoeugenol 0.5-1, triterpenoid saponin 0.6-1, polyacrylamide 1-2, water-ground limestone 10-17, accelerant C M1-2, dibenzothiazyl disulfide 1-2,2-mercaptobenzimidazole 0.6-1, pamorusa oil 1-2, DMAP 0.6-1,1,4 cyclohexane dimethanol 1-2, dioctyl sebacate 7-10, hydration zinc borate 1-2, polydimethylsiloxane 0.6-1, natural rubber svr3l 100-106, modified additive 3-5;

Described modified additive is made up of each raw material of following weight parts:

Ammonium persulphate 2-3, scolecite 10-16, squalane 1-2, methyl methacrylate 2-4, Microcrystalline Wax 10-15, graphene oxide 0.6-1, distearyl acyl-oxygen sec.-propyl Aluminate 1-2, deionized water 60-70;

Microcrystalline Wax is heated to 80-85 DEG C, adds methyl methacrylate, scolecite, insulated and stirred 3-5 minute, reduction temperature is 50-60 DEG C, adds the 30-40% of distearyl acyl-oxygen sec.-propyl Aluminate weight, 200-300 rev/min of dispersed with stirring 10-20 minute, be cooled to normal temperature, obtain Preblend;

Mixed with graphene oxide by ammonium persulphate, join in deionized water, add above-mentioned Preblend and each raw material of residue after stirring, 800-1000 rev/min of dispersed with stirring 10-15 minute, dries, wears into fine powder, obtain described modified additive.

2. a preparation method for the rubber mass that rubber taste as claimed in claim 1 is very light, is characterized in that comprising the following steps:

(1) methylisoeugenol, triterpenoid saponin are mixed to join 1, in 4-cyclohexanedimethanol, natural rubber svr3l is added after stirring, insulated and stirred 20-30 minute at 50-60 DEG C, add pamorusa oil, polydimethylsiloxane, 400-500 rev/min of dispersed with stirring 20-30 minute, obtains modified rubber;

(2) above-mentioned modified rubber is put into Banbury mixer banburying 30-40s, banburying temperature is 70-100 DEG C, add each raw material except accelerant C M, dibenzothiazyl disulfide, mixing 15-20 minute, binder removal, is cooled to less than 50 DEG C, in input mill, add each raw material of residue, thin-pass 3-5 time, obtains the rubber mass that described rubber taste is very light.