SU948945A1 - Emulsion for road-building mix - Google Patents

Description

(54) EMULSION FOR ROAD MIX

The invention relates to road building materials and can be used in making road surfaces and waterproofing layers.

A known emulsion for road mixture 1D, including bitumen, saponified paraffin oxidate and water in the following ratio of components,

Mo w t L} "

Bitum50-55,0

Washed paraffin oxidate2, 3-3.3 WaterOther

The closest in technical essence and the achieved result is an emulsion for a expensive mixture including petroleum bitumen, an emulsifier based on wood processing products, wood resin soap and water with the following ratio of components, wt.%:

Oil bitumen AO, 0-60, O

Wood soap

tar3, -,

Voda36,9-55,9

Moreover, wood resin soap contains caustic soda 2j.

The disadvantage of these emulsions is the low adhesion to stone materials and resistance to abrasion.

The purpose of the invention is to increase the adhesion to stone materials and the water resistance of the emulsion.

This goal is achieved by the fact that an emulsion for road mixture, including petroleum or shale bitumen or their mixture, or a mixture of shale bitumen with oil tar, an emulsifier based on wood processing product, caustic soda and water,

20 as an emulsifier contains tall glue pitch melted in the following ratio of components, wt.%:

Oil or shale bitumen or their mixture, or a mixture of weak bitumen with oil tar Q 65

Glue tall pitch fused 0.87-1.8 Glue tall pitch fused (OST-81-12-77 in appearance is a solid product brown - dark brown, which contains up to 56% of sodium salts (soap) resin and fatty acids and neutrals, up to 35 non-saponified substances. General alkalinity within. The softening temperature according to the ring and ball method is not lower. It dissolves well in water

The emulsion is prepared as follows.

Clay tall pitch fused is dissolved in water heated to 603 ° C, caustic soda is added to the same, the whole mixture is thoroughly mixed.

The alkalinity of the aqueous emulsifier solution for road emulsions should be in the range of pH 10,, 5. Neot bitumen is heated at, 120-150s, 5, depending on viscosity, and shale bitumen and its mixtures, at 100,120 °. The emulsifier alkaline solution then is heated and simultaneously fed in a continuous stream to the O dispersant, in which they are dispersed.

Examples of formulations of slowly disintegrating emulsions are shown in Table 1.

15 Properties of these compounds are given.

in table.2.

 The properties of emulsion-mineral mixtures based on the compositions described are given in table 3. 20

Claims (2)

As can be seen from the data table. 2 and 3, the proposed emulsion has high water resistance and adhesion to stone materials in comparison with the known. 11 The claims of the emulsion for road mixture, including petroleum or shale bitumen or their mixture, or a mixture of shale bitumen with oil tar, emulsifier based on wood processing product caustic soda and water, in order to increase adhesion to stone materials and water-resistance of the emulsion, it contains, as an emulsifier, tall pitch glue fused with the following cQOTHomeHHtj components; p., -I wt.%: Petroleum oil and gas spill bitumen bitumen, or their mixture, ss, or a mixture of slate bitumen with oil tar A0-B5 5 Pelt melted glue 0.87-1.8. Caustic soda, 07-O, i8 Water. The rest, moreover, a mixture of oil and shale bitumen contains, wt%: Oil bitumen 30-50 Slate bitumen 50-70, and a mixture of slate bitumen..with oil tar, contains May.%: Slate bitumen 20-60 Oil tar Sources of information taken into account in the examination of the USSR Copyright Certificate of the USSR №, cl. C 08 L 95/00, 197. 2. Technical guidelines for the preparation and use of road emulsions, veins 115-75 by the Ministry of Trade and Construction.