CN102800376B - Latex product filler is used in a kind of gamma-rays protection - Google Patents

Abstract

The invention discloses a kind of gamma-rays protection latex product filler.Object is the existing filler poor mechanical property of solution, manufactures the technical matters such as high cost and environmental pollution.For vulcanized latex and WO ₃the WO of slurry synthesis ₃glue, WO ₃glue comprises the component of following masses ratio: vulcanized latex: WO ₃slurry=100:15 ~ 20; WO ₃slurry component: WO ₃, NH ₃h ₂o, BX; Vulcanized latex comprises component: Heveatex, additive package, casein, paregal O, NH ₃h ₂o, KOH, H ₂o; Additive package comprises component: S, ZnO, anti-old D, ZDC, BX, H ₂o.This filler eliminates environmental pollution, simplifies production technology, reduces production cost, improves mechanical property and the yield rate of latex product simultaneously.

Description

Latex product filler is used in a kind of gamma-rays protection

Technical field

The present invention relates to a kind of material for making anti-gamma-ray product, particularly relating to a kind of gamma-rays protection latex product filler.

Background technology

Along with the development of science and technology, gamma-rays is widely used in fields such as nuclear energy, medical science, industry, agriculturals, modern society's environmental pollution and health requirement of shelter more and more higher, gamma-ray radiation protection technique receives the most attention of countries in the world.Main gamma-rays protective materials is plumbous, and comprise lead glass, stereotype, various leaded protective coating and protection latex product etc., wherein protection latex product has function admirable, advantage easy to use, and application prospect is very big.

The production of protection latex material and goods adopts Pb, PbO to make gamma ray shielding filler usually, but PbO easily moves out, works the mischief to human and environment.A kind of neutron and gamma-ray radiation shielding material is described in (patent No.: 92114783.X) patent of invention that the name that Tianjin Textile Industry College is applied in China is called " neutron and gamma-ray radiation shielding material ", gamma-ray radiation shielding material is one or more in the simple substance of leaded, the heavy metal element atom such as bismuth and barium or compound, gamma-ray radiation shielding material is 5% ~ 40%, coupling agent is 0.5% ~ 3%, and surplus is molding material.For improving properties of product, be all with WO mostly both at home and abroad at present ₃organism as filler, this product mechanics poor-performing.The ratio increasing filler can improve the ability of product shielding γ ray, but the mechanical property of product can be deteriorated, and the density difference of latex and filler is very large, causes the suspension stability of composite latex very poor, very easily produces precipitation.The name that Xinan Science and Technology Univ. applies in China is called in " novel anti-gamma-ray latex products filler " (patent No.: 200610059095.X) patent of invention and describes a kind of anti-gamma-ray latex products filler, and this compounded mix is generally with Na ₂wO ₄solution is at cation dispersing agent, Pb (Ac) ₂react in solution, filter to obtain PbWO ₄after by WO ₃meal stir sand milling, more in proportion with PbWO ₄sand milling mixes, sieving and washing obtains WO ₃-PbWO ₄composite slurry, staticly settles, regulating pondage can use.This compounded mix shielding properties is better, but owing to adding, auxiliary material is many, glue thickness, cause the bubble in glue to be difficult to removal, filler dispersed performance in latex is poor, there is the shortcomings such as formula complex manufacturing, production cost is high, product softness is poor simultaneously.In addition, all containing plumbous or plumbous compound in existing gamma-rays protective materials, easily cause environmental pollution and human injury, simultaneously plumbous hardness and intensity low, easily cause the mechanical property of protective article poor.

Summary of the invention

The object of the invention is to solve existing filler poor mechanical property, manufacture the technical matters such as high cost and environmental pollution, a kind of gamma-rays protection latex product filler is provided, this filler eliminates environmental pollution, simplifies production technology, reduces production cost, improves mechanical property and the yield rate of latex product simultaneously.

For achieving the above object, the technical solution used in the present invention is: a kind of gamma-rays protection latex product filler is vulcanized latex and WO ₃the WO of slurry synthesis ₃glue, WO ₃glue comprises the component of following masses ratio:

Vulcanized latex: WO ₃slurry=100:15 ~ 20.

In technique scheme, described WO ₃slurry comprises the component of following masses ratio:

WO ₃：NH ₃·H ₂O：BX=100：21~28：0.20~0.24。

In technique scheme, described vulcanized latex comprises the component of following masses ratio:

Heveatex: additive package: casein: paregal O: NH ₃h ₂o:KOH:H ₂o=100:3 ~ 6:0.10 ~ 0.20:0.20 ~ 0.30:0.8 ~ 1.8:0.03 ~ 0.08:1.3 ~ 2.0.

In technique scheme, described additive package comprises the component of following masses ratio:

S:ZnO: anti-old D:ZDC:BX:H ₂o=12 ~ 18:9 ~ 15:5 ~ 11:16 ~ 22:0.3 ~ 0.7:40 ~ 50.

In the present invention, it should be noted that: described Heveatex belongs to the thermoplastic synthetic resin of rubber-like, in order to improve the thermotolerance of Heveatex, permanance and ageing-resistant performance, being re-used as base-material after often sulfuration being carried out to it and using, described WO ₃chinese is tungstic acid, and casein is NH ₂rCOOH, paregal O Chinese is alkyl polyoxyethylene ether, NH ₃h ₂o Chinese is ammoniacal liquor, and KOH Chinese is potassium hydroxide, H ₂o Chinese is water, and S Chinese is sulphur, and ZnO Chinese is zinc paste, and anti-old D Chinese is N-PBNA, and ZDC Chinese is zinc diethyl dithiocarbamate, and BX Chinese is sodium butylnaphthalenesulfonate.

In addition, the casein in the present invention, paregal O, KOH are stabilizing agent, and BX is spreading agent, NH ₃h ₂o is preservative agent, and anti-old D is aging resister, and ZDC is vulcanization accelerator, and these raw materials can directly add in latex slurry, but in order to reach finely dispersed effect, add after being generally first made into aqueous solution according to recipe requirements, dispersion effect is better again.

As can be seen from every technical characteristic of the invention described above, its advantage is: the gamma-ray shielding rate of product to energy 59.5 keV such as gloves, clothes, cap adopting this filler and formula to make can reach 13% ~ 30%, tensile strength is more than 8.0MPa, and elongation at rupture reaches 788% ~ 1060%; Production technology for making gamma-rays protection latex product filler of the present invention is simple, be easy to manipulation, production cost is low, shielding properties and softness good, be applicable to produce various nuclear material and high energy beam radiation protection utensil.

Embodiment

below by embodiment, the present invention is described further.

Embodiment 1

In the present embodiment, we by adopt required component according to the rules ratio produce a kind of latex product filler for gamma-rays protection of the present invention, specifically describe as follows:

First, according to WO ₃: NH ₃h ₂o:BX=100:25:0.22 mass ratio preparation WO ₃slurry, then loads in muller and carries out grinding refinement, until powder diameter reaches 4 ~ 30mm, the grinding refinement of material is conducive to it and is uniformly dispersed, both improve latex product gamma-rays protective benefits, be conducive to again the mechanical property, particularly toughness that improve latex product; Meanwhile, according to S:ZnO: anti-old D:ZDC:BX:H ₂o=15:12:8:19:0.5:45 mass ratio preparation additive package, then according to Heveatex: additive package: casein: paregal O: NH ₃h ₂o:KOH:H ₂o=100:4:0.15:0.25:1.3:0.05:1.5 mass ratio preparation glue, stirs and pours in the heating water bath calibration cell of temperature 50 ° of C, then being heated to 60 ° ~ 65 °, is incubated after 40 minutes and forces cooling fast to obtain vulcanized latex; Again, according to vulcanized latex: WO ₃slurry=100:18 mass ratio preparation synthesis glue, by WO ₃slurry is poured in vulcanized latex, pours into and stirs simultaneously, until stir; Finally, can according to WO ₃glue: NH ₃h ₂o=100:0.27 mass ratio is by NH ₃h ₂o adds WO ₃glue, adds and stirs simultaneously, until it is for subsequent use to stir.

Adopt above-mentioned filler to make the latex product of thickness 1.5mm, detect its tensile strength is 8.1MPa, elongation at rupture reaches 1060%, reaches 21.9% to the gamma-ray shielding rate of energy 59.5 keV.

Embodiment 2

In the present embodiment, we by adopt required component according to the rules ratio produce a kind of latex product filler for gamma-rays protection of the present invention, specifically describe as follows:

First, according to WO ₃: NH ₃h ₂o:BX=100:21:0.20 mass ratio preparation WO ₃slurry, then loads in muller and carries out grinding refinement, until powder diameter reaches 4 ~ 30mm, the grinding refinement of material is conducive to it and is uniformly dispersed, both improve latex product gamma-rays protective benefits, be conducive to again the mechanical property, particularly toughness that improve latex product; Meanwhile, according to S:ZnO: anti-old D:ZDC:BX:H ₂o=12:9:5:16:0.3:40 mass ratio preparation additive package, then according to Heveatex: additive package: casein: paregal O: NH ₃h ₂o:KOH:H ₂o=100:3:0.10:0.20:0.8:0.03:1.3 mass ratio preparation glue, stirs and pours in the heating water bath calibration cell of temperature 50 ° of C, then being heated to 60 ° ~ 65 °, is incubated after 40 minutes and forces cooling fast to obtain vulcanized latex; Again, according to vulcanized latex: WO ₃slurry=100:15 mass ratio preparation synthesis glue, by WO ₃slurry is poured in vulcanized latex, pours into and stirs simultaneously, until stir; Finally, can according to WO ₃glue: NH ₃h ₂o=100:0.30 mass ratio is by NH ₃h ₂o adds WO ₃glue, adds and stirs simultaneously, until it is for subsequent use to stir.

Adopt above-mentioned filler to make the latex product of thickness 1.7mm, detect its tensile strength is 8.2MPa, elongation at rupture reaches 1040%, reaches 27% to the gamma-ray shielding rate of energy 59.5 keV.

Embodiment 3

In the present embodiment, we by adopt required component according to the rules ratio produce a kind of latex product filler for gamma-rays protection of the present invention, specifically describe as follows:

First, according to WO ₃: NH ₃h ₂o:BX=100:25:0.22 mass ratio preparation WO ₃slurry, then loads in muller and carries out grinding refinement, until powder diameter reaches 3 ~ 40mm, the grinding refinement of material is conducive to it and is uniformly dispersed, both improve latex product gamma-rays protective benefits, be conducive to again the mechanical property, particularly toughness that improve latex product; Meanwhile, according to S:ZnO: anti-old D:ZDC:BX:H ₂o=15:12:8:19:0.5:45 mass ratio preparation additive package, then according to Heveatex: additive package: casein: paregal O: NH ₃h ₂o:KOH:H ₂o=100:4:0.15:0.25:1.3:0.05:1.5 mass ratio preparation glue, stirs and pours in the heating water bath calibration cell of temperature 50 ° of C, then being heated to 60 ° ~ 65 °, is incubated after 40 minutes and forces cooling fast to obtain vulcanized latex; Again, according to vulcanized latex: WO ₃slurry=100:18 mass ratio preparation synthesis glue, by WO ₃slurry is poured in vulcanized latex, pours into and stirs simultaneously, until stir; Finally, can according to WO ₃glue: NH ₃h ₂o=100:0.27 mass ratio is by NH ₃h ₂o adds WO ₃glue, adds and stirs simultaneously, until it is for subsequent use to stir.

WO ₃slurry powder diameter is ground to 3 ~ 40mm, adopt above-mentioned filler to make the latex product of thickness 1.5mm, detect its tensile strength is 8.4MPa, elongation at rupture reaches 980%, reaches 30% to the gamma-ray shielding rate of energy 59.5 keV.

Embodiment 4

In the present embodiment, we by adopt required component according to the rules ratio produce a kind of latex product filler for gamma-rays protection of the present invention, specifically describe as follows:

First, according to WO ₃: NH ₃h ₂o:BX=100:28:0.24 mass ratio preparation WO ₃slurry, then loads in muller and carries out grinding refinement, until powder diameter reaches 4 ~ 30mm, the grinding refinement of material is conducive to it and is uniformly dispersed, both improve latex product gamma-rays protective benefits, be conducive to again the mechanical property, particularly toughness that improve latex product; Meanwhile, according to S:ZnO: anti-old D:ZDC:BX:H ₂o=18:15:11:22:0.7:50 mass ratio preparation additive package, then according to Heveatex: additive package: casein: paregal O: NH ₃h ₂o:KOH:H ₂o=100:6:0.2:0.3:1.8:0.08:2.0 mass ratio preparation glue, stirs and pours in the heating water bath calibration cell of temperature 50 ° of C, then being heated to 60 ° ~ 65 °, is incubated after 40 minutes and forces cooling fast to obtain vulcanized latex; Again, according to vulcanized latex: WO ₃slurry=100:20 mass ratio preparation synthesis glue, by WO ₃slurry is poured in vulcanized latex, pours into and stirs simultaneously, until stir; Finally, can according to WO ₃glue: NH ₃h ₂o=100:0.28 mass ratio is by NH ₃h ₂o adds WO ₃glue, adds and stirs simultaneously, until it is for subsequent use to stir.

Adopt above-mentioned filler to make the latex product of thickness 1.5mm, detect its tensile strength is 8.4MPa, elongation at rupture reaches 1060%, reaches 21.6% to the gamma-ray shielding rate of energy 59.5 keV.

All features disclosed in this instructions, except mutually exclusive feature, all can combine by any way.

Arbitrary feature disclosed in this instructions (comprising any accessory claim, summary), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.

Claims (1)

1. a latex product filler is used in gamma-rays protection, it is characterized in that for vulcanized latex and WO ₃the WO of slurry synthesis ₃glue, WO ₃glue comprises the component of following masses ratio:

Vulcanized latex: WO ₃slurry=100:15 ~ 20;

Described WO ₃slurry comprises the component of following masses ratio:

WO ₃：NH ₃·H ₂O：BX=100：21~28：0.20~0.24；

Described vulcanized latex comprises the component of following masses ratio:

Heveatex: additive package: casein: paregal O: NH ₃h ₂o:KOH:H ₂o=100:3 ~ 6:0.10 ~ 0.20:0.20 ~ 0.30:0.8 ~ 1.8:0.03 ~ 0.08:1.3 ~ 2.0;

Described additive package comprises the component of following masses ratio:

S:ZnO: anti-old D:ZDC:BX:H ₂o=12 ~ 18:9 ~ 15:5 ~ 11:16 ~ 22:0.3 ~ 0.7:40 ~ 50.