CN102816543B - Plastic-rubber high molecular composite synthetic resin adhesive - Google Patents

Abstract

The invention relates to a plastic-rubber high molecular composite synthetic resin adhesive which comprises the following components: para-tertiary butyl phenol-formaldehyde resin, chloroprene rubber, magnesium oxide, C5/C9 copolymerized petroleum resin, BTH (butylated hydroxytoluene) antioxidant, methyl acetate (refined), ethyl acetate, dichloropropane, methylbenzene and 120#solvent oil. On the basis of giving a full play to the advantages of the phenol-formaldehyde synthetic resin, the magnesium oxide is added and the chloroprene rubber linear high molecular material and the C5/C9 copolymerized petroleum resin having high adhesion property and good heat resistance are introduced to perform grafting, chelation and other high molecular reactions on the molecular structure so as to form a copolymer with the phenol-formaldehyde resin, thus obtaining the plastic-rubber high molecular composite high-performance synthetic resin adhesive having multiple comprehensive performances. The plastic-rubber high molecular composite synthetic resin adhesive has high bonding strength and good water resistance, heat resistance and chemical stability, and has the composite high performances of a plastic-rubber high molecular elastomer such as pliability, flexibility and the like.

Description

Mould rubber composite high-molecular adhesive made of synthetic resin

Technical field

The present invention relates to the adhesive technology field in fine chemistry industry, specifically one is moulded rubber composite high-molecular adhesive made of synthetic resin.

Background technology

Tradition synvaren has high, water-fast, the heat-resisting and good chemical stability of bonding strength, but the shortcomings such as its wear resistance is low, cost is high, internal pressure is large, easily check surface, hot pressing temperature is high, pressure-resistant time is long, are subject to many limitations it in use.To traditional synvaren carry out modification, optimize imperative.

Summary of the invention

The object of the present invention is to provide one can give full play to synvaren plurality of advantages, what can overcome again its shortcoming moulds rubber composite high-molecular high-performance adhesive made of synthetic resin.

The present invention, its batching mass percent is: p-tert-butylphenol formaldehyde resin 3.0 ~ 13.0%; Chloroprene rubber 6.0 ~ 16.0%; Magnesium oxide 0.5 ~ 5.0%; Carbon five, carbon nine copolymerized petroleum resins 0.5 ~ 5.0%; BHT oxidation inhibitor 0.1 ~ 1.0%; Ritalin (essence) 8.0 ~ 18.0%; Vinyl acetic monomer 5.0 ~ 20.0%; Propylene dichloride 10.0 ~ 25.0%; Toluene 10.0 ~ 30.0%; No. 120 solvent oils 10.0 ~ 20.0%, its preparation technology comprises chelatropic reaction pre-reaction technique and adhesive producing technique, wherein:

1) chelatropic reaction pre-reaction technique comprises:

1. in pre-reaction reactor, add the toluene that accounts for formula ratio 35 ~ 40%, turn on agitator, rotating speed is 30 ~ 80 revs/min, drops into the p-tert-butylphenol formaldehyde resin of formula ratio under room temperature, stirring and dissolving 2 ~ 5 hours;

2. after resin dissolves, then add the magnesium oxide that accounts for formula ratio 75 ~ 80%, temperature to be controlled at 20 ~ 80 ℃, continuously stirring is carried out chelatropic reaction in 4 ~ 10 hours, obtains pre-reaction work in-process;

2) adhesive producing technique comprises:

1. add each residue organic solvent in reactor according to formula ratio;

2. with 20 ~ 80 revs/min of unlatching low-speed agitator mixed solvents;

3. under whipped state, add by technique 1) chloroprene rubber of gained pre-reaction work in-process and formula ratio; Carbon five, carbon nine copolymerized petroleum resins; BHT oxidation inhibitor, and the magnesium oxide of surplus, fully stir 1 ~ 3 hour;

4. opening 800 ~ 3000 revs/min of high speed agitators stirs 6 ~ 10 hours again;

5. control 30 ~ 80 ℃ of reactor temperatures;

6. stop stirring sampling Detection;

7. being pressed into filling tank by detecting qualified product, is finished product after filtering and packaging.

The present invention, there is following features: giving full play on the basis of phenolic aldehyde synthetic resins advantage, add magnesium oxide, introduce that chloroprene rubber linear polymeric material and adhesivity are strong, the carbon five of good heat resistance, carbon nine copolymerized petroleum resins, molecular structure is carried out to the high molecular weight reactives such as grafting, chelating, make it and resol forms multipolymer, thus obtain there is multiple over-all properties mould rubber composite high-molecular high-performance adhesive made of synthetic resin.Product of the present invention not only bonding strength is high, water-fast, heat-resisting and chemical stability is good, and has the composite high-performance such as pliability and snappiness of moulding rubber macromolecular elastomer.

Embodiment

One is moulded rubber composite high-molecular adhesive made of synthetic resin, and its batching quality is: p-tert-butylphenol formaldehyde resin 91kg; Chloroprene rubber 275 kg; Magnesium oxide 20 kg; Carbon five, carbon nine copolymerized petroleum resin 50 kg; BHT oxidation inhibitor 8 kg; Ritalin (essence) 170 kg; Vinyl acetic monomer 340 kg; Propylene dichloride 280 kg; Toluene 243 kg; No. 120 solvent oil 250 kg, wherein: the batching quality of chelatropic reaction pre-reaction is: p-tert-butylphenol formaldehyde resin 91kg; Magnesium oxide 16kg; Toluene 93kg.

Its preparation technology comprises chelatropic reaction pre-reaction technique and adhesive producing technique.Wherein:

1) chelatropic reaction pre-reaction technique comprises:

1. in pre-reaction reactor, add toluene 93kg, turn on agitator, rotating speed is 60 revs/min, drops into the p-tert-butylphenol formaldehyde resin 91kg of formula ratio, stirring and dissolving 3 hours under room temperature;

2. after resin dissolves, then add magnesium oxide 16kg, temperature to be controlled at 30 ~ 60 ℃, continuously stirring is carried out chelatropic reaction in 8 hours, obtains the about 200kg of pre-reaction work in-process;

2) adhesive producing technique comprises:

1. add according to formula ratio that respectively (residue) organic solvent is in reactor, organic solvent comprises: ritalin (essence) 170 kg; Vinyl acetic monomer 340 kg; Propylene dichloride 280 kg; Toluene 150 kg; No. 120 solvent oil 250 kg;

2. with 60 revs/min of unlatching low-speed agitator mixed solvents;

3. under whipped state, add the about 200kg of pre-reaction work in-process and chloroprene rubber 275kg, carbon five carbon nine copolymerized petroleum resin 50 kg, magnesium oxide 4kg and the BHT oxidation inhibitor 8kg siccative of formula ratio, fully stir 1 hour;

4. opening 1200 revs/min of high speed agitators stirs 8 hours again;

5. control reactor temperature≤50 ℃;

6. stop stirring sampling Detection;

7. being pressed into filling tank by detecting qualified product, is finished product after filtering and packaging.

Claims (2)

1. mould a rubber composite high-molecular adhesive made of synthetic resin, its batching mass percent is: p-tert-butylphenol formaldehyde resin 3.0 ~ 13.0%; Chloroprene rubber 6.0 ~ 16.0%; Magnesium oxide 0.5 ~ 5.0%; Carbon five, carbon nine copolymerized petroleum resins 0.5 ~ 5.0%; BHT oxidation inhibitor 0.1 ~ 1.0%; Ritalin (essence) 8.0 ~ 18.0%; Vinyl acetic monomer 5.0 ~ 20.0%; Propylene dichloride 10.0 ~ 25.0%; Toluene 10.0 ~ 30.0%; No. 120 solvent oils 10.0 ~ 20.0%.

2. a preparation technology who moulds as claimed in claim 1 rubber composite high-molecular adhesive made of synthetic resin, is characterized in that comprising: chelatropic reaction pre-reaction technique and adhesive producing technique, wherein:

1) chelatropic reaction pre-reaction technique comprises:

1. in pre-reaction reactor, add the toluene that accounts for formula ratio 35 ~ 40%, turn on agitator, rotating speed is 30 ~ 80 revs/min, drops into the p-tert-butylphenol formaldehyde resin of formula ratio under room temperature, stirring and dissolving 2 ~ 5 hours;

2. after resin dissolves, then add the magnesium oxide that accounts for formula ratio 75 ~ 80%, temperature to be controlled at 20 ~ 80 ℃, continuously stirring is carried out chelatropic reaction in 4 ~ 10 hours, obtains pre-reaction work in-process;

2) adhesive producing technique comprises:

1. add each residue organic solvent in reactor according to formula ratio;

2. with 20 ~ 80 revs/min of unlatching low-speed agitator mixed solvents;

3. under whipped state, add by technique 1) chloroprene rubber of gained pre-reaction work in-process and formula ratio; Carbon five, carbon nine copolymerized petroleum resins; BHT oxidation inhibitor, and the magnesium oxide of surplus, fully stir 1 ~ 3 hour;

4. opening 800 ~ 3000 revs/min of high speed agitators stirs 6 ~ 10 hours again;

5. control 30 ~ 80 ℃ of reactor temperatures;

6. stop stirring sampling Detection;

7. being pressed into filling tank by detecting qualified product, is finished product after filtering and packaging.