CN103013356A

CN103013356A - Low-temperature-resistant binding agent for packaging material

Info

Publication number: CN103013356A
Application number: CN2012105345358A
Authority: CN
Inventors: 杨锦
Original assignee: CHUZHOU XINCAI PRINTING Co Ltd
Current assignee: CHUZHOU XINCAI PRINTING Co Ltd
Priority date: 2012-12-12
Filing date: 2012-12-12
Publication date: 2013-04-03
Anticipated expiration: 2032-12-12
Also published as: CN103013356B

Abstract

The invention discloses a low-temperature-resistant binding agent for a packaging material. The low-temperature-resistant binding agent comprises a component A and a component B. The low-temperature-resistant binding agent disclosed by the invention has the advantages of reasonable formula design, easiness in obtainment of raw materials, simple production process, easiness in matching with equipment, stable quality of a product and strong binding power, and can improve physical properties, medium resistance, storage stability and the like in comparison with a traditional binding agent, effectively reduce the damages to the binding agent caused by water molecules by adding treated plant ash, greatly improve the water resistance of the binding agent, enable the binding agent to have great quick-drying property due to the decline in hydrophilicity of glue, increase the stickiness of the binding agent by adding modified PVC (polyvinyl chloride) resin, improve the fluidity of colloid and further enhance the binding performance of the product.

Description

A kind of low temperature resistant wrapping material binding agent

Technical field

The present invention relates generally to a kind of binding agent, relates in particular to a kind of low temperature resistant wrapping material binding agent.

Background technology

The packaging binding agent is in the generation of the basis of packaging industry fast development and develops, the performance of packaging binding agent, quality have directly affected packing effect and quality, present wrapping binding agent ubiquity thermotolerance is relatively poor, winter hardiness is not good, the shortcomings such as package stability is poor, medium-resistance is poor, in order to overcome these shortcomings of traditional binding agent, invent a kind of new, high performance binding agent and all seem particularly important for daily life, prodution and development.

Summary of the invention

The object of the invention is exactly in order to remedy the defective of prior art, a kind of low temperature resistant wrapping material binding agent to be provided.

The present invention is achieved by the following technical solutions:

A kind of low temperature resistant wrapping material binding agent, it is comprised of first and second liang of components:

Described first component is comprised of the raw material of following weight parts:

Chloroprene rubber CR121 80-85, paracril N41 20-25, vinylbenzene 120-130, dimethylbenzene 100-105, ethyl acetate 60-70, acrylate 18-20, ethylene glycol 10-13, isophthalic acid ester 8-10, silica powder 8-10, Zinic stearas 3-4, magnesium oxide 2-3, plant ash 2-3, coumarone 3-4, epoxy soybean oil 3.5-4, sec.-propyl distearyl acyl-oxygen base Aluminate 1-2, the N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, TM monex TM1-2, anti-aging agent TPPD0.8-1, antioxidant MB 1-1.5, oxidation inhibitor DSTP1-2;

The preparation method of described first component may further comprise the steps:

(1) uses first the plant ash 3-4h of the above-mentioned weight part of 10-15% salt acid soak, deionized water wash is clean, soak 3-4h with the 10-12% sodium hydroxide solution again, extremely neutral with deionized water wash again, oven dry adds and is equivalent to the fatty alcohol-polyoxyethylene ether of above-mentioned plant ash weight 2-3%, the paregal O of 1-2%, the phthalic ester of 2-3%, the talcum powder of 3-5%, and high speed 1200-1500r/min stirs 1-2h, oven dry, pulverizing grinds to form ultrafine powder and gets final product;

(2) the chloroprene rubber CR121 with above-mentioned weight part is placed on the rubber mixing machine, roll spacing 0.6-1mm, the roller temperature is 30-38 ℃, plasticate 25-30 time, then strengthen roll spacing to 8-12mm, refine after 4-6 minute, the coumarone, epoxy soybean oil, sec.-propyl distearyl acyl-oxygen base Aluminate, Zinic stearas, magnesium oxide, antioxidant MB, anti-aging agent TPPD, the N-2-(aminoethyl that add successively above-mentioned weight part)-3-aminopropyl trimethoxysilane, the plant ash of above-mentioned processing, oxidation inhibitor DSTP, all add rear thin-pass 10-12 time, section;

(3) section and all the other each raw materials with above-mentioned chloroprene rubber CR121 mixes in the adding reactor, stirs 5-6 hour to all dissolving under 50-60 ℃, is cooled to normal temperature, adds at last the ethylene glycol of above-mentioned weight part, stirs and namely gets described first component;

Described component B is comprised of the raw material of following weight parts:

Modified PVC resin 18-25, chlorohydrin rubber T55 10-15, dimethylbenzene 30-40, barium stearate 2-4, aluminium powder 2-3,3-aminopropyl trimethoxysilane 1-2, hydroxyethyl methylacrylate 1-2, ferrocene 1-2, pentanoic 0.8-1;

Described modified PVC resin is comprised of the raw material of following weight parts:

PVC resin SG-5 20-25, stearic acid 1-1.5, chlorinatedpolyethylene 2-2.5, active CaCO ₃0.8-1;

PVC resin SG-5, stearic acid, the chlorinatedpolyethylene of above-mentioned weight part are mixed, add in the high-speed mixer, the mixing machine stirring velocity is risen at a high speed by low speed, when the mixture temperature rises to 100 ℃ gradually, add the active CaCO of above-mentioned weight part ₃, stir discharging cooling after 1-2 minute, be cooled to 40-50 ℃, make the modified PVC resin;

Each raw material of above-mentioned weight part is mixed, at 100-120 ℃ of lower reaction 1-2h, be cooled to normal temperature, namely get described component B;

First and second liang of components obtained above are mixed, be heated to 130-140 ℃, stirring reaction 1h namely gets described binding agent.

Advantage of the present invention is:

Formulating of recipe of the present invention is reasonable, raw material is easy to get, production technique is simple, coordinative composition of equipments is easy, constant product quality, cohesive force is strong, physicals, medium-resistance, package stabilities etc. all increase than conventional binders, by adding the plant ash after processing, effectively reduce water molecules to the destruction of binding agent, so that the water resisting property of binding agent improves a lot, because the hydrophilicity of glue descends, so that it has the characteristic of good quick-drying, by adding the modified PVC resin, increased the viscosity of binding agent, improve the flowability of colloid, further strengthened the adhesiveproperties of product.

Embodiment

Embodiment 1

Described first component is comprised of the raw material of following weight parts (kilogram):

Chloroprene rubber CR121 85, paracril N41 25, vinylbenzene 130, dimethylbenzene 105, ethyl acetate 70, acrylate 20, ethylene glycol 10-13, isophthalic acid ester 10, silica powder 10, Zinic stearas 4, magnesium oxide 3, plant ash 3, coumarone 3-4, epoxy soybean oil 2, sec.-propyl distearyl acyl-oxygen base Aluminate 2, N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 2, TM monex TM2, anti-aging agent TPPD0.8, antioxidant MB 1.5, oxidation inhibitor DSTP2;

(1) uses first the plant ash 4h of the above-mentioned weight part of 15% salt acid soak, deionized water wash is clean, soak 4h with 12% sodium hydroxide solution again, extremely neutral with deionized water wash again, oven dry adds and is equivalent to the fatty alcohol-polyoxyethylene ether of above-mentioned plant ash weight 3%, 2% paregal O, 3% phthalic ester, 5% talcum powder, and high speed 1500r/min stirs 2h, oven dry, pulverizing grinds to form ultrafine powder and gets final product;

(2) the chloroprene rubber CR121 with above-mentioned weight part is placed on the rubber mixing machine, roll spacing 0.6mm, the roller temperature is 38 ℃, plasticate 30 times, then strengthen roll spacing to 12mm, refine after 4-6 minute, the coumarone 3-4, epoxy soybean oil, sec.-propyl distearyl acyl-oxygen base Aluminate, Zinic stearas, magnesium oxide, antioxidant MB, anti-aging agent TPPD, the N-2-(aminoethyl that add successively above-mentioned weight part)-3-aminopropyl trimethoxysilane, the plant ash of above-mentioned processing, oxidation inhibitor DSTP, all add rear thin-pass 12 times, section;

(3) section, paracril N41, vinylbenzene, dimethylbenzene, ethyl acetate, acrylate, TM monex TM, isophthalic acid ester, the silica powder with above-mentioned chloroprene rubber CR121 mixes in the adding reactor, extremely all dissolved in 6 hours 60 ℃ of lower stirrings, be cooled to normal temperature, the ethylene glycol that adds at last above-mentioned weight part stirs and namely gets described first component;

Modified PVC resin 18-25, chlorohydrin rubber T55 15, dimethylbenzene 40, barium stearate 4, aluminium powder 3,3-aminopropyl trimethoxysilane 2, hydroxyethyl methylacrylate 2, ferrocene 2, pentanoic 0.8;

PVC resin SG-5 25, stearic acid 1.5, chlorinatedpolyethylene 2.5, active CaCO ₃0.8;

PVC resin SG-5, stearic acid, the chlorinatedpolyethylene of above-mentioned weight part are mixed, add in the high-speed mixer, the mixing machine stirring velocity is risen at a high speed by low speed, when the mixture temperature rises to 100 ℃ gradually, add the active CaCO of above-mentioned weight part ₃, stir discharging cooling after 1 minute, be cooled to 50 ℃, make the modified PVC resin;

Each raw material of above-mentioned weight part is mixed, at 120 ℃ of lower reaction 2h, be cooled to normal temperature, namely get described component B;

Performance test:

Tensile strength (MPa): 45

Flexural strength (MPa): 64

Compressive strength (MPa): 86

Tensile strength (MPa): 37

Medium-resistance: (the shearing resistance conservation rate % after in 90 ℃ of solution, soaking 3 days): 0 ^#Diesel oil 98.8, distilled water 99.8;

Lower temperature resistance :-32 ℃ were not freezed in lower 7 days;

Weather resistance: indoor use 10-20, outdoor 3-5;

Use the carton of binding agent of the present invention to duck in drink, do not come unstuck in 48 hours, after the carton drying, good bonding, mass conservation.

Claims

1. low temperature resistant wrapping material binding agent is characterized in that it is comprised of first and second liang of components:

Chloroprene rubber CR121 80-85, paracril N41 20-25, vinylbenzene 120-130, dimethylbenzene 100-105, ethyl acetate 60-70, acrylate 18-20, ethylene glycol 10-13, isophthalic acid ester 8-10, silica powder 8-10, Zinic stearas 3-4, magnesium oxide 2-3, plant ash 2-3, coumarone 3-4, epoxy soybean oil 3.5-4, sec.-propyl distearyl acyl-oxygen base Aluminate 1-2, the N-2-(aminoethyl)-3-aminopropyl trimethoxysilane 1-2, TM monex TM1-2, anti-aging agent TPPD 0.8-1, antioxidant MB 1-1.5, oxidation inhibitor DSTP1-1.5;