CN104987463A - Two-layer porous-type polymer absorbent without leakage after absorption and preparation method thereof - Google Patents

Abstract

The invention discloses a two-layer porous-type polymer absorbent without leakage after absorption. The two-layer porous-type polymer absorbent without leakage after absorption is characterized by being prepared, by weight, by the following raw materials of 26-29 parts of hexyl acrylate, 19-21 parts of butyl methacrylate, 4-5 parts of attapulgite, 21-23 parts of ethyl acetate, 5-7 parts of n-heptane, 3-5 parts of sodium bicarbonate, 0.15-0.2 part of ethylene glycol dimethacrylate, 1-2 parts of sodium dodecyl sulfate, 3-4 parts of polyving akohol, 1-1.2 parts of dicumyl peroxide, 0.9-1.2 parts of p-methylstyrene, 1.8-2.5 parts of divinyl benzene, 1-2 parts of nano-aluminum trihydrate, 0.05-0.07 part of silane coupling agent kh450, 1-1.2 parts of di(isooctyl) phosphate, 0.5-0.6 part of silicone oil and appropriate distilled water. According to the two-layer porous-type polymer absorbent without leakage after absorption, modification is conducted based on a traditional technology, a two-layer porous structure is prepared, leakage is not produced again after absorption, and meanwhile the poisonous vapor harm is greatly reduced.

Description

Polymeric absorbent of not leaking after a kind of double-layer porous type absorption and preparation method thereof

Technical field

The present invention relates to Material Field, polymeric absorbent of particularly not leaking after a kind of double-layer porous type absorption and preparation method thereof.

Background technology

With the continuous progress of society and the fast development of industry; in the processes such as industrial production, petroleum transportation, mankind's activity, natural disaster, often can discharge and produce waste pollution material; these leakage accidents and discharge process often cause the loss of the energy and the threat of environment; even affect the health of the mankind; therefore, find out the method removing oil product and organic pollution materials to be efficiently very important.

Traditional oil absorption material is that inorganic materials and organic materials pass through physical method mostly, form through modification, mixing, compacting, can be divided into according to its Oil-absorptive mechanism and contain type oil absorption material, gel-type oil absorption material and contain the compound oil absorption material of gel, this kind of oil absorption material be utilize its surface, the capillary force in gap and cavity carries out oil suction and/or utilizes the physical condensation power between intermolecular or material, the clearance space produced in the process that net structure is formed and wrap up oil suction, and the oil-absorbing resin of existing existence, be polymerized by two kinds and two or more acrylic ester or olefines reaction monomers, there is certain oil suction multiplying power, but oil suction multiplying power is not very high, this is because resin is chemically crosslinked, covalent linkage has larger bond energy, have stronger bound to molecular chain, segment between cross-linking set is compared with short and cross-linking density is large, after oil suction, resin network segment is stretched at utmost very soon, so high oil absorbing resin has lower oil suction multiplying power, and speed of oil absorption is slow, oil number is few, Oil keeping is poor, numerous inconvenience is there is in actually operating, as the oil absorption material oil content in transport and storage process absorbed after oil content can be discharged in environment again, cause secondary pollution.Therefore, develop dynamical oil suction product and there is important practical usage.

Summary of the invention

Polymeric absorbent of not leaking after the object of this invention is to provide a kind of double-layer porous type absorption and preparation method thereof.The present invention carries out modified by utilizing ethyl acetate, normal heptane, sodium bicarbonate to attapulgite, add in the polymerization of polyacrylic resin, three-dimensional net structure and the self-strength of resin can be improved, improve the oil-retaining of resin, prevent from absorbing rear leakage.

In order to realize object of the present invention, the present invention is by following scheme implementation:

The polymeric absorbent of not leaking after a kind of double-layer porous type absorption, be made up of the raw material of following weight part: ethylhexyl acrylate 26-29, butyl methacrylate 19-21, attapulgite 4-5, ethyl acetate 21-23, normal heptane 5-7, sodium bicarbonate 3-5, glycol diacrylate 0.15-0.2, sodium lauryl sulphate 1-2, polyvinyl alcohol 3-4, dicumyl peroxide 1-1.2, p-methylstyrene 0.9-1.2, Vinylstyrene 1.8-2.5, nano-aluminum hydroxide 1-2, silane coupling agent kh450 0.05-0.07, di (isooctyl) phosphate 1-1.2, silicone oil 0.5-0.6, distilled water is appropriate,

The polymeric absorbent of not leaking after a kind of double-layer porous type absorption of the present invention, be made up of following concrete steps:

(1) attapulgite is put into baking oven to dry with the temperature of 80 DEG C, then put into pulverizer and be ground into 200 order powder, mix with sodium bicarbonate, ethyl acetate, normal heptane afterwards, put into stirrer and stir 30-40 minute with the speed of 300 revs/min, filter taking precipitate, put into baking oven with dry under the condition of 80 DEG C, upper liquid is stand-by after collecting;

(2) polyvinyl alcohol is added in the distilled water of 30 times amount, be heated to dissolve completely, slow cooling is to room temperature, add sodium lauryl sulphate, the product that step (1) obtains, continue to be stirred to and be uniformly dispersed, then the upper liquid of collecting in step (1) is added under nitrogen protection successively slowly, dicumyl peroxide, glycol diacrylate, ethylhexyl acrylate, butyl methacrylate, controlling stirring velocity is 1000 revs/min, then 40 DEG C are slowly warming up to, stirring reaction is after 10 minutes, continue to be warming up to 70 DEG C, stirring reaction is after 20 minutes, continue to be warming up to 80 DEG C, with the speed stirring reaction 1 hour of 400 revs/min, obtain polymer resin microspheres,

(3) nano-aluminum hydroxide and silane coupling agent kh450 are put into ball mill ball milling to take out after 60 minutes, add di (isooctyl) phosphate to continue to be uniformly mixed, then p-methylstyrene, Vinylstyrene and all the other remaining components is added, join in the reaction system of step (2) after stirring, temperature control 80 DEG C, reaction 1.5-2 hour is continued, namely at the surface structure preparing one deck high-crosslinking-degree on polymer resin microspheres surface with the speed of 1000 revs/min;

(4) reaction system is down to room temperature, is filtered the solid polymer microballoon that obtains, with 80 DEG C of distilled water washs 3 times, finally at 50 DEG C, namely drying obtains the finished product in 24 hours.

The invention has the beneficial effects as follows: the present invention carries out modified by utilizing ethyl acetate, normal heptane, sodium bicarbonate to attapulgite, add in the polymerization of polyacrylic resin, three-dimensional net structure and the self-strength of resin can be improved, and the tridimensional network of inner layer resin and the common oil suction of the laminated structure of modified powder, play synergy, and then increase the oil suction multiplying power of inner layer resin, improve the oil-retaining of resin, prevent from absorbing rear leakage.

The present invention is while the polymerization of internal layer compound resin, the p-methylstyrene cross-linked polymer of surface aggregation thin layer outside, less on the oil suction multiplying power impact of internal layer compound resin, include the nano-aluminum hydroxide after hydrophobically modified and di (isooctyl) phosphate simultaneously, improve flame retardant properties, simultaneously because outer layer copolymer cross-linking density is higher than internal layer polymer, coordinate the effect of pore-creating agent silicone oil, impart the surface-area that oil-absorbing resin microballoon is larger, for absorption provides larger power, improve swelling rate, simultaneously due to high cross-linked surface, resin polarity can be improved, rigidity, avoid cohering between oil-absorbing resin particle.

The present invention carries out modification on the basis of traditional technology, make double-layer porous structure, reaction process is simple, there is larger cubical expansivity, cubical expansivity can reach about 29 times, and the oil absorbing surface that this structure increases resin amasss, and speed of oil absorption is fast, and the regenerability of resin is relatively good, can repeatedly reuse.Can not produce after absorption and reveal again, significantly reduce noxious vapors harm simultaneously, be convenient to post-processed and safe storage.The secondary pollution of effective preventing pollution liquid.

The present invention can be used for processing water surface Oil spills, dangerous organic liquid leaks, protection met an urgent need by the process of Low emissivity oily(waste)water, aerogenerator lubricating oil leakage, laboratory and factory's medicine, traffic transport industry and motorway Environmental capacity, synthetic resins additive etc.

Specific embodiments

Below by specific examples, the present invention is described in detail.

A polymeric absorbent of not leaking after double-layer porous type absorption, is made up of the raw material of following weight part (kilogram): ethylhexyl acrylate 26, butyl methacrylate 19, attapulgite 4, ethyl acetate 21, normal heptane 5, sodium bicarbonate 3, glycol diacrylate 0.15, sodium lauryl sulphate 1, polyvinyl alcohol 3, dicumyl peroxide 1, p-methylstyrene 0.9, Vinylstyrene 1.8, nano-aluminum hydroxide 1, silane coupling agent kh450 0.05, di (isooctyl) phosphate 1, silicone oil 0.5, distilled water are appropriate;

The polymeric absorbent of not leaking after a kind of double-layer porous type absorption of the present invention, be made up of following concrete steps:

(1) attapulgite is put into baking oven to dry with the temperature of 80 DEG C, then put into pulverizer and be ground into 200 order powder, mix with sodium bicarbonate, ethyl acetate, normal heptane afterwards, put into stirrer and stir 30 minutes with the speed of 300 revs/min, filter taking precipitate, put into baking oven with dry under the condition of 80 DEG C, upper liquid is stand-by after collecting;

(2) polyvinyl alcohol is added in the distilled water of 30 times amount, be heated to dissolve completely, slow cooling is to room temperature, add sodium lauryl sulphate, the product that step (1) obtains, continue to be stirred to and be uniformly dispersed, then the upper liquid of collecting in step (1) is added under nitrogen protection successively slowly, dicumyl peroxide, glycol diacrylate, ethylhexyl acrylate, butyl methacrylate, controlling stirring velocity is 1000 revs/min, then 40 DEG C are slowly warming up to, stirring reaction is after 10 minutes, continue to be warming up to 70 DEG C, stirring reaction is after 20 minutes, continue to be warming up to 80 DEG C, with the speed stirring reaction 1 hour of 400 revs/min, obtain polymer resin microspheres,

(3) nano-aluminum hydroxide and silane coupling agent kh450 are put into ball mill ball milling to take out after 60 minutes, add di (isooctyl) phosphate to continue to be uniformly mixed, then p-methylstyrene, Vinylstyrene and all the other remaining components is added, join in the reaction system of step (2) after stirring, temperature control 80 DEG C, reaction 1.5 hours is continued, namely at the surface structure preparing one deck high-crosslinking-degree on polymer resin microspheres surface with the speed of 1000 revs/min;

(4) reaction system is down to room temperature, is filtered the solid polymer microballoon that obtains, with 80 DEG C of distilled water washs 3 times, finally at 50 DEG C, namely drying obtains the finished product in 24 hours.

Product of the present invention is the opaque spherical particle of oyster white, detects it, and result is specific absorption (0# diesel oil) 89.1%, specific absorption (trichloroethane) 88.7%; Protect oily rate (0# diesel oil) 84.3%, protect oily rate (trichloroethane) 81.2%, be far longer than inspecting standard.

Claims (2)

1. the polymeric absorbent of not leaking after a double-layer porous type absorption, it is characterized in that, be made up of the raw material of following weight part: ethylhexyl acrylate 26-29, butyl methacrylate 19-21, attapulgite 4-5, ethyl acetate 21-23, normal heptane 5-7, sodium bicarbonate 3-5, glycol diacrylate 0.15-0.2, sodium lauryl sulphate 1-2, polyvinyl alcohol 3-4, dicumyl peroxide 1-1.2, p-methylstyrene 0.9-1.2, Vinylstyrene 1.8-2.5, nano-aluminum hydroxide 1-2, silane coupling agent kh450 0.05-0.07, di (isooctyl) phosphate 1-1.2, silicone oil 0.5-0.6, distilled water is appropriate.

2. the polymeric absorbent of not leaking after a kind of double-layer porous type absorption according to claim 1, is characterized in that, be made up of following concrete steps:

(1) attapulgite is put into baking oven to dry with the temperature of 80 DEG C, then put into pulverizer and be ground into 200 order powder, mix with sodium bicarbonate, ethyl acetate, normal heptane afterwards, put into stirrer and stir 30-40 minute with the speed of 300 revs/min, filter taking precipitate, put into baking oven with dry under the condition of 80 DEG C, upper liquid is stand-by after collecting;

(2) polyvinyl alcohol is added in the distilled water of 30 times amount, be heated to dissolve completely, slow cooling is to room temperature, add sodium lauryl sulphate, the product that step (1) obtains, continue to be stirred to and be uniformly dispersed, then the upper liquid of collecting in step (1) is added under nitrogen protection successively slowly, dicumyl peroxide, glycol diacrylate, ethylhexyl acrylate, butyl methacrylate, controlling stirring velocity is 1000 revs/min, then 40 DEG C are slowly warming up to, stirring reaction is after 10 minutes, continue to be warming up to 70 DEG C, stirring reaction is after 20 minutes, continue to be warming up to 80 DEG C, with the speed stirring reaction 1 hour of 400 revs/min, obtain polymer resin microspheres,

(3) nano-aluminum hydroxide and silane coupling agent kh450 are put into ball mill ball milling to take out after 60 minutes, add di (isooctyl) phosphate to continue to be uniformly mixed, then p-methylstyrene, Vinylstyrene and all the other remaining components is added, join in the reaction system of step (2) after stirring, temperature control 80 DEG C, reaction 1.5-2 hour is continued, namely at the surface structure preparing one deck high-crosslinking-degree on polymer resin microspheres surface with the speed of 1000 revs/min;

(4) reaction system is down to room temperature, is filtered the solid polymer microballoon that obtains, with 80 DEG C of distilled water washs 3 times, finally at 50 DEG C, namely drying obtains the finished product in 24 hours.