Compositions containing alkanes and methods for producing the same

Abstract

The present invention relates to a composition comprising C10-C20 alkanes, wherein about 3 wt.% to about 30 wt.% based on the total weight of the composition is C10-C15 alkanes, and the C10-C20 alkanes are derived from biological raw materials. The present invention also relates to a protective agent for porous materials, which comprises the composition.

Description

Technical Field

[0001] The present invention relates to a composition containing an alkane (paraffin) fraction and a production method thereof. The composition is suitable for protecting various porous materials. Background Art

[0002] WO 2015 / 101837 A2 discloses a composition comprising 40-50 wt.% of C14 alkanes and 35-45 wt.% of C15 alkanes (based on the total weight of the composition), wherein the alkanes are produced from biological raw materials. The composition can be used as a wood treatment composition. Summary of the invention

[0003] The present invention provides a composition comprising C10-C20 alkanes, wherein about 3 wt.% to about 30 wt.% based on the total weight of the composition are C10-C15 alkanes, and the C10-C20 alkanes are derived from biological raw materials.

[0004] Another subject of the present invention is to provide a method for producing the composition of the present invention, which method comprises the following steps:

[0005] The biological feedstock is hydrodeoxygenated and optionally isomerized to produce a hydrocarbon fraction having chain lengths in the range of C10-C20.

[0006] Another subject of the present invention is to provide a protective agent for porous materials, which comprises the composition of the present invention or the composition prepared by the method of the present invention.

[0007] Yet another subject of the present invention is to provide the use of the composition of the present invention or the protective agent of the present invention for treating porous materials.

[0008] It was discovered in the present invention that compositions comprising alkanes having chain lengths in the range of C10 to C20 achieve excellent penetration in porous materials such as wood. Depth of penetration or impregnation is an important characteristic for protective treatments of porous materials such as various wood products. Without being bound by any theory, it is hypothesized that the excellent penetration ability of the composition results from a favorable ratio of short-chain hydrocarbons to long-chain hydrocarbons. It is believed that isomerization of the hydrocarbons further enhances wettability and, therefore, further enhances the penetration of the composition into the porous substrate. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The impregnation ability of the composition of the invention and the commercial dearomatized fossil solvent NESSOL LIAV200 into wood materials is shown.

[0010] Figure 2a and2b The impregnation ability of the composition of the present invention and the commercial wood protectant "Supi Saunasuoja" into wood materials is shown. DETAILED DESCRIPTION

[0011] The present invention provides a composition comprising C10-C20 alkanes, wherein, based on the total weight of the composition, about 3 wt.% to about 30 wt.% are C10-C15 alkanes, and the C10-C20 alkanes are derived from biological raw materials.

[0012] In one embodiment of the present invention, the amount of C10-C15 alkane is 10 wt.% to about 30 wt.% based on the total weight of the composition. In another embodiment, the amount of C10-C15 alkane is 10 wt.% to about 20 wt.% based on the total weight of the composition.

[0013] In one embodiment, the composition comprises about 70 wt.% to about 97 wt.% C16-C20 alkanes, based on the total weight of the composition. In another embodiment, the composition comprises about 70 wt.% to about 90 wt.% C16-C20 alkanes.

[0014] In one embodiment, the composition comprises 100% C10-C20 alkanes based on the total weight of the composition. In another embodiment, the composition comprises up to 4 wt.% alkanes less than C10. In another embodiment, the composition comprises up to 1% wt.% alkanes greater than C20. In yet another embodiment, the composition comprises up to 4 wt.% alkanes less than C10, and up to 1% wt.% alkanes greater than C20.

[0015] In one embodiment, the total amount of isoalkanes (isoalkanes, isoparaffins) in the composition is at least about 1 wt.%. In another embodiment, the total amount of isoalkanes is at least about 50 wt.%. In another embodiment, the total amount of isoalkanes is at least about 70 wt.%. In yet another embodiment, the total amount of isoalkanes is at least about 90 wt.%.

[0016] The boiling point of the composition is in the range of about 180°C to about 330°C.

[0017] The total amount of aromatic hydrocarbons in the composition is less than about 1.1 wt.%, based on the total weight of the composition. The content of aromatic hydrocarbons is determined according to EN 12916.

[0018] The compositions of the present invention generally have a 2.5 mm 2 / s to 5mm 2 / s range (EN ISO 3104) kinematic viscosity.

[0019] The flash point of the composition of the invention may be in the range of 60°C-150°C (EN ISO 2719).

[0020] The pour point of the composition of the present invention may be in the range of -80°C to 30°C (ASTM D5950).

[0021] The surface tension of the composition of the present invention is generally in the range of 25-29raN / m (ASTM D971M).

[0022] According to the Coatings Directive (2004 / 42 / EC) and the European Ecolabel Certification Scheme (2002 / 739 / EC amending 1999 / 10 / EC), paint and varnish VOCs are organic compounds having an initial boiling point lower than or equal to 250°C at an atmospheric pressure of 101.3 kPa. In one embodiment of the invention, the composition contains compounds having a boiling point lower than 250° in an amount of less than 15 wt.%.

[0023] C10-C20 alkane is derived from biological raw material. Biological raw material can come from plant or animal. This material can be selected from vegetable oil, animal fat, fish oil and mixture thereof. The example of suitable biological raw material includes but is not limited to rapeseed oil, rapeseed oil, canola oil (canola oil), rapeseed oil (colza oil), tall oil (tall oil), sunflower oil, soybean oil, olive oil, linseed oil, mustard oil, palm oil, peanut oil, castor oil, coconut oil, animal fat such as suet (suet), tallow (tallow), blubber, regeneration nutritional fat (recycled alimentary fats), the starting material produced by genetic engineering, and the biological starting material produced by microorganisms such as algae and bacteria. Further condensation products, esters or other derivatives obtained from biological raw materials can also be used as starting materials. The raw materials of biological origin recovered are also suitable.

[0024] In one aspect, the present invention provides a method for producing the above-mentioned composition, the method comprising the following steps:

[0025] The biological feedstock is hydrodeoxygenated and optionally isomerized to produce a hydrocarbon fraction having chain lengths in the range of C10 to C20.

[0026] The reaction conditions and catalysts commonly used for the hydrodeoxygenation of biomaterials and for the optional isomerization of the resulting n-alkanes are well known to those skilled in the art. These steps are described in more detail in, for example, WO 2015 / 101837 A2.

[0027] In one embodiment, the process of the present invention does not involve a distillation step to provide a composition having a boiling range from about 180°C to about 330°C.

[0028] The composition of the present invention has excellent penetration ability throughout porous materials and is suitable for protective treatment of porous materials. The composition of the present invention can be used as a protective agent, or is formulated into a formula with further components to provide a protective agent. Therefore, an object of the present invention is to provide a protective agent, which comprises the composition of the present invention or the composition prepared by the method of the present invention. The protective agent may further contain, for example, one or more colorants, one or more pigments, one or more antioxidants. An advantage of the protective agent of the present invention is that a single component is used to replace a formula containing a solvent and an oil, achieving excellent penetration ability and protective coating. In the present invention, a low boiling range solvent is not required to enhance the penetration of the composition to the porous material. In one embodiment, the protective agent does not contain a solvent with a boiling range in the range of 159°C to 169°C.

[0029] When applied to a porous material, the composition or the protective agent forms a waterproof and breathable layer on the surface of the material. Therefore, an object of the present invention is to provide the use of the composition of the present invention or the protective agent of the present invention for treating a porous material. The porous material can be any material that enables the composition to penetrate into the material at least to a certain extent. Examples of porous materials include, but are not limited to, wood, ceramics, brickstone, leather, cement, composite materials, concrete, plywood, paper, board, and textiles.

[0030] Impregnation ability of the composition

[0031] The excellent penetration ability of the composition of the present invention into wooden substrates is as follows Figure 1 , Figure 2a and Figure 2b The composition tested contained 17.3 wt.% C10-C15 alkanes (89 wt.% of which were isoalkanes) and 80.3 wt.% C16-C20 alkanes (95 wt.% of which were isoalkanes). The amount of isoalkanes in the composition was >93 wt.% of the total C10-C20 alkanes. The composition had a boiling range of from about 180°C to about 330°C and a kinematic viscosity of 2.9 mm at 40°C. 2 / s (EN ISO 3104), flash point >60°C (EN ISO 2719), pour point <-40°C, and surface tension of 27 mN / m (ASTM D971M).

[0032] In all tests, the above composition was applied twice to the surface of the poplar and spruce boards. The second treatment was carried out 4 hours after the first application. 30 minutes after the second treatment, the excess composition was wiped off the surface. The tested samples were allowed to dry for 24 hours. Cross sections were cut from the dried samples to show the penetration depth of the composition in the wood planks.

[0033] As a reference, the commercial product "NESSOL LIAV 200" Z (Neste Oy) is usually used as a solvent component in wood oil products. The boiling range of this solvent is in the range of 159°C to 169°C. As a further reference, the commercial product "Supi Saunasuoja" (Tikkurila Oy) for the protection of wood materials in saunas was used. Poplar and spruce planks were treated with the reference product similarly to the composition of the invention. The depth of impregnation in the Z direction was visually checked from the cross-cut sample surface immediately after the cut was made to show the depth of impregnation and one month after the cut was made to show the spread on the surface. To facilitate the visual inspection, 0.5% of REDMCNY25 (red) was added to each composition to be tested.

[0034] Figure 1 The results obtained with the composition of the invention and with NESSOL LIAV 200 immediately after cutting the wood board are shown. The results show that there are visual differences in the depth of impregnation in the samples tested. Samples 1 and 3 are poplar and spruce boards, respectively, treated with the composition of the invention. Samples 2 and 4 are poplar and spruce boards, respectively, treated with NESSOL LIAV 200. The composition of the invention has been effectively impregnated into the poplar and spruce boards. In the case of NESSOL LIAV 200, the impregnation is more limited for both substrates (samples 2 and 4). It can be concluded that for NESSOL LIAV 200, the impregnation time before it evaporates is limited.

[0035] Figure 2a and Figure 2b The depth of impregnation in poplar wood panels achieved using the composition of the invention and Supi Saunasuoja is shown. Figure 2a and Figure 2b In the example, Sample 1 describes a Supi Saunasuoja, while Sample 2 describes a composition of the present invention. Figure 2aThe depth of impregnation immediately after cutting of the poplar wood board is shown. It can be seen that sample 2 penetrates deeper into the poplar wood board. Figure 2b The depth of impregnation after one month is shown. Sample 2 is evenly distributed across the entire cross section of the board, while some untreated areas can still be seen in the middle of the board.

[0036] It will be obvious to a person skilled in the art that, as technology advances, the concept of the invention can be implemented in various ways. The invention and its embodiments are not limited to the above described embodiments but may vary within the scope of the claims.

Claims

1. A composition comprising C10-C20 alkanes, wherein: Based on the total weight of the composition, 10 wt.% to 30 wt.% are C10-C15 alkanes and 70 wt.% to 97 wt.% are C16-C20 alkanes, the total amount of isoalkanes in the composition is at least 70 wt.% and the C10-C20 alkanes are derived from biological raw materials.

2. The composition according to claim 1, wherein The biological raw material is selected from rapeseed oil, tall oil, sunflower oil, soybean oil, olive oil, linseed oil, palm oil, peanut oil, castor oil, coconut oil, animal fat, regenerative nutritional fat, starting materials produced by genetic engineering, and biological starting materials produced by microorganisms.

3. The composition according to claim 1, wherein The composition comprises 10 to 20 wt.% of a C10-C15 alkane.

4. The composition according to claim 1, wherein The composition comprises 70 wt.% to 90 wt.% of the C16-C20 alkane, based on the total weight of the composition.

5. The composition of claim 1, comprising 100% C10-C20 alkanes based on the total weight of the composition.

6. The composition of claim 1, comprising at most 4 wt.% alkanes less than C10 and / or at most 1% wt.% alkanes greater than C20.

7. The composition of claim 1, wherein The total amount of isoalkanes in the composition is at least 90 wt.%.

8. The composition of claim 1, wherein The boiling point of the composition is in the range of 180°C to 330°C.

9. The composition of claim 1, wherein The total aromatic content of the composition determined according to EN 12916 is less than 1.1 wt.%.

10. The composition according to claim 1, wherein The composition contains compounds having a boiling point below 250° in an amount less than 15 wt.%.

11. The composition according to claim 1, wherein The composition has a strength of 2.5 mm at 40°C. 2 / s to 5mm 2 The kinematic viscosity is determined according to EN ISO 3104 in the range of 1.3 Å / s.

12. The composition of claim 1, wherein The composition has a flash point determined according to EN ISO 2719 in the range of 60°C to 150°C.

13. The composition of claim 1, wherein The composition has a pour point determined according to ASTM D5950 in the range of -80°C to 30°C.

14. The composition of claim 1, wherein The composition has a surface tension determined according to ASTM D971M in the range of 25-29 mN / m.

15. The composition of claim 1, wherein The biological raw material is mustard oil.

16. A method for producing the composition of claim 1, comprising the steps of: The biological feedstock is hydrodeoxygenated and optionally isomerized to produce a hydrocarbon fraction having a chain length in the range of C10-C20.

17. The method of claim 16, wherein: The process does not involve a distillation step.

18. A protective agent for porous materials, comprising the composition of claim 1 or a composition prepared by the method of claim 16.

19. The protective agent according to claim 18, which does not contain a solvent having a boiling range of 159°C to 169°C.

20. Use of the composition according to claim 1 or the protective agent according to claim 18 for treating porous materials.

21. The use according to claim 20, wherein The porous material is selected from the group comprising wood, ceramics, masonry, leather, cement, composites, concrete, paper, board and textiles.

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