CN104845296A - Easily degradable plastic container - Google Patents

Abstract

The invention discloses an easily degradable plastic container, comprising the following materials in parts by weight: 80 to 90 parts of polyethylene glycol terephthalate, 0.1 to 0.2 parts of agar, 1 to 2 parts of polylactic acid, 10 to 15 parts of ethylene vinyl acetate copolymer, 0.5 to 1 part of sodium chloride, 2 to 3 parts of borax, 0.8 to 1 part of konjac glucomannan, 2 to 4 parts of milltailings, 3 to 4 parts of dioctyl sebacate, 5 to 6 parts of wollastonite in powder, 0.3 to 1 part of titanyl sulfate, 0.3 to 0.7 parts of origanum oil, 10 to 15 parts of modified adhesive material and 1 to 2 parts of tetrapropylammonium bromide. The plastic container is better in decomposability, is easy to decompose by being buried, is residue-free, low in combustion heat and good in environmental protection property as toxicants are not generated in a combustion process.

Description

A kind of easily degradative plastics container

Technical field

The present invention relates generally to plastic applications, particularly relates to a kind of easily degradative plastics container.

Background technology

Plastic containers are seen everywhere in life, bucket, bottle, tank, cup etc., because it is of many uses, throw-out also gets more and more, inevitable pollution is caused to environment, the plastic containers simultaneously had need the chemical products holding different performance, and some chemical productss can cause certain erosion to plastics itself, not only have a strong impact on the purity of chemical products, also easily cause danger in various degree, some plastic containers easily distribute toxic gas under burning or hot environment, the safety of harm surrounding population, in order to improve the defect of conventional plastic container each side, therefore reasonable disposition plastic formula composition is needed, add waste-tyre rubber-powder simultaneously, make full use of Resource recovery, reduce production cost, improve the integrated quality of finished plastic containers.

Summary of the invention

The object of the invention is just to provide a kind of easily degradative plastics container.

The present invention is achieved by the following technical solutions:

A kind of easily degradative plastics container, is characterized in that what it was made up of the raw material of following weight parts:

Polyethylene terephthalate 80-90, agar 0.1-0.2, poly(lactic acid) 1-2, ethylene-vinyl acetate copolymer 10-15, sodium-chlor 0.5-1, borax 2-3, Rhizoma amorphophalli glucomannan 0.8-1, tailings 2-4, dioctyl sebacate 3-4, wollastonite powder 5-6, titanyl sulfate 0.3-1, wild marjoram oil 0.3-0.7, modification sizing material 10-15,4-propyl bromide 1-2;

Described modification sizing material is made up of the raw material of following weight parts:

Waste-tyre rubber-powder 70-90, polyoxyethylene glycol 6-8, diatomite 4-6, hexamethyl cyclotrisiloxane 2-3, ethyl cellulose 16-20, tetracol phenixin 30-41, lanolin 2-3, whiteruss 50-60,2-mercaptobenzothiazole 0.1-0.2;

Polyoxyethylene glycol, ethyl cellulose are mixed to join in tetracol phenixin, ultrasonic vibration 3-5 minute, obtain solution a; Joined by lanolin in whiteruss, after stirring, raised temperature is 70-80 DEG C, drips above-mentioned solution a, dropwises rear insulation reaction 1-2 hour, add after diatomite being worn into fine powder, ageing 3-4 hour, press filtration, dry, obtains dry powder;

By waste-tyre rubber-powder, above-mentioned dry powder blend, be heated to 60-65 DEG C, add hexamethyl cyclotrisiloxane, insulated and stirred 20-30 minute, raised temperature is 150-160 DEG C, adds 2-mercaptobenzothiazole, be act on 4-5 minute under the microwave exposure of 2450MHz in microwave frequency, obtain modification sizing material.

A preparation method for easy degradative plastics container, comprises the following steps:

(1) by wollastonite powder, tailings mixing, sending into concentration is soak 1-2 hour in the hydrochloric acid soln of 10-16%, discharging is dried, add the 60-70% of ethylene-vinyl acetate copolymer weight, dioctyl sebacate, preheating 10-20 minute at 90-100 DEG C, reduction temperature is 60-65 DEG C, adds titanyl sulfate, 500-600 rev/min of dispersed with stirring 7-10 minute;

(2) agar, poly(lactic acid), sodium-chlor, Rhizoma amorphophalli glucomannan, wild marjoram oil are mixed with polyethylene terephthalate, at 100-110 DEG C, be uniformly mixed 3-5 minute;

(3) each raw material after above-mentioned process is mixed with each raw material of residue, join in forcing machine, melt extrude into pipe by forcing machine;

(4) designed still importing at the little pipe of molten state in the mould of definite shape, mould has been closed, and be blown into high-pressure air simultaneously and make it according to the mould molding set, simultaneously to mold cools down sizing, then started the goods that die cavity has been shaped.

Advantage of the present invention is:

Modification sizing material of the present invention: the carbon tetrachloride solution of polyoxyethylene glycol, ethyl cellulose joins in whiteruss by the present invention, because tetracol phenixin is easy to spread in whiteruss, be separated, add diatomite in powder, the height mixture be made up of alcohol, Mierocrystalline cellulose, native powder can be formed, give the good thermostability of mixture, thermoplasticity, anti-old property etc. simultaneously, then mix with waste-tyre rubber-powder and carry out microwave modification process, further increase the anti-aging and anti-caking effect of rubber powder, obtain high strength, high tenacity, resistance rubber powder;

Plastic containers of the present invention have good decomposability, bury easy decomposition, without remaining, burn low in calories, do not produce Toxic in combustion processes, the feature of environmental protection is good.

Embodiment

Embodiment 1:

A kind of easily degradative plastics container, is characterized in that what it was made up of the raw material of following weight parts:

Polyethylene terephthalate 90, agar 0.2, poly(lactic acid) 2, ethylene-vinyl acetate copolymer 15, sodium-chlor 0.5, borax 2, Rhizoma amorphophalli glucomannan 0.8, tailings 2, dioctyl sebacate 3, wollastonite powder 5, titanyl sulfate 0.3, wild marjoram oil 0.3, modification sizing material 15,4-propyl bromide 2;

Described modification sizing material is made up of the raw material of following weight parts:

Waste-tyre rubber-powder 90, polyoxyethylene glycol 8, diatomite 6, hexamethyl cyclotrisiloxane 3, ethyl cellulose 20, tetracol phenixin 41, lanolin 3, whiteruss 60,2-mercaptobenzothiazole 0.2;

Be mixed to join in tetracol phenixin by polyoxyethylene glycol, ethyl cellulose, ultrasonic vibration 5 minutes, obtains solution a; Joined by lanolin in whiteruss, after stirring, raised temperature is 80 DEG C, drips above-mentioned solution a, dropwises rear insulation reaction 2 hours, adds after diatomite being worn into fine powder, ageing 4 hours, press filtration, dry, obtains dry powder;

By waste-tyre rubber-powder, above-mentioned dry powder blend, be heated to 65 DEG C, add hexamethyl cyclotrisiloxane, insulated and stirred 30 minutes, raised temperature is 160 DEG C, adds 2-mercaptobenzothiazole, be act on 5 minutes under the microwave exposure of 2450MHz in microwave frequency, obtain modification sizing material.

A preparation method for easy degradative plastics container, comprises the following steps:

(1) by wollastonite powder, tailings mixing, sending into concentration is soak 2 hours in the hydrochloric acid soln of 16%, discharging is dried, add 70% of ethylene-vinyl acetate copolymer weight, dioctyl sebacate, preheating 20 minutes at 100 DEG C, reducing temperature is 65 DEG C, adds titanyl sulfate, 600 revs/min of dispersed with stirring 10 minutes;

(2) agar, poly(lactic acid), sodium-chlor, Rhizoma amorphophalli glucomannan, wild marjoram oil are mixed with polyethylene terephthalate, at 110 DEG C, be uniformly mixed 3 minutes;

(3) each raw material after above-mentioned process is mixed with each raw material of residue, join in forcing machine, melt extrude into pipe by forcing machine;

(4) designed still importing at the little pipe of molten state in the mould of definite shape, mould has been closed, and be blown into high-pressure air simultaneously and make it according to the mould molding set, simultaneously to mold cools down sizing, then started the goods that die cavity has been shaped.

Performance test:

Tensile strength 127MPa, flexural strength 230MPa, notched Izod impact strength 72j/m, flame retardant resistance reaches V-0 (UL-94-3.0mm).

Claims (2)

1. an easy degradative plastics container, is characterized in that what it was made up of the raw material of following weight parts:

Polyethylene terephthalate 80-90, agar 0.1-0.2, poly(lactic acid) 1-2, ethylene-vinyl acetate copolymer 10-15, sodium-chlor 0.5-1, borax 2-3, Rhizoma amorphophalli glucomannan 0.8-1, tailings 2-4, dioctyl sebacate 3-4, wollastonite powder 5-6, titanyl sulfate 0.3-1, wild marjoram oil 0.3-0.7, modification sizing material 10-15,4-propyl bromide 1-2;

Described modification sizing material is made up of the raw material of following weight parts:

Waste-tyre rubber-powder 70-90, polyoxyethylene glycol 6-8, diatomite 4-6, hexamethyl cyclotrisiloxane 2-3, ethyl cellulose 16-20, tetracol phenixin 30-41, lanolin 2-3, whiteruss 50-60,2-mercaptobenzothiazole 0.1-0.2;

Polyoxyethylene glycol, ethyl cellulose are mixed to join in tetracol phenixin, ultrasonic vibration 3-5 minute, obtain solution a; Joined by lanolin in whiteruss, after stirring, raised temperature is 70-80 DEG C, drips above-mentioned solution a, dropwises rear insulation reaction 1-2 hour, add after diatomite being worn into fine powder, ageing 3-4 hour, press filtration, dry, obtains dry powder;

By waste-tyre rubber-powder, above-mentioned dry powder blend, be heated to 60-65 DEG C, add hexamethyl cyclotrisiloxane, insulated and stirred 20-30 minute, raised temperature is 150-160 DEG C, adds 2-mercaptobenzothiazole, be act on 4-5 minute under the microwave exposure of 2450MHz in microwave frequency, obtain modification sizing material.

2. a preparation method for easily degradative plastics container as claimed in claim 1, is characterized in that comprising the following steps:

(1) by wollastonite powder, tailings mixing, sending into concentration is soak 1-2 hour in the hydrochloric acid soln of 10-16%, discharging is dried, add the 60-70% of ethylene-vinyl acetate copolymer weight, dioctyl sebacate, preheating 10-20 minute at 90-100 DEG C, reduction temperature is 60-65 DEG C, adds titanyl sulfate, 500-600 rev/min of dispersed with stirring 7-10 minute;

(2) agar, poly(lactic acid), sodium-chlor, Rhizoma amorphophalli glucomannan, wild marjoram oil are mixed with polyethylene terephthalate, at 100-110 DEG C, be uniformly mixed 3-5 minute;

(3) each raw material after above-mentioned process is mixed with each raw material of residue, join in forcing machine, melt extrude into pipe by forcing machine;

(4) designed still importing at the little pipe of molten state in the mould of definite shape, mould has been closed, and be blown into high-pressure air simultaneously and make it according to the mould molding set, simultaneously to mold cools down sizing, then started the goods that die cavity has been shaped.