ES342048A1 - Urea-Furfurol Condensation Products And A Process For Their Production - Google Patents

Urea-Furfurol Condensation Products And A Process For Their Production

Info

Publication number
ES342048A1
ES342048A1 ES342048A ES342048A ES342048A1 ES 342048 A1 ES342048 A1 ES 342048A1 ES 342048 A ES342048 A ES 342048A ES 342048 A ES342048 A ES 342048A ES 342048 A1 ES342048 A1 ES 342048A1
Authority
ES
Spain
Prior art keywords
urea
furfurol
production
condensation products
fertilizers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES342048A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Scholven Chemie AG
Original Assignee
Scholven Chemie AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Scholven Chemie AG filed Critical Scholven Chemie AG
Publication of ES342048A1 publication Critical patent/ES342048A1/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05C—NITROGENOUS FERTILISERS
    • C05C9/00—Fertilisers containing urea or urea compounds
    • C05C9/02—Fertilisers containing urea or urea compounds containing urea-formaldehyde condensates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
    • C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
    • C08G12/12—Ureas; Thioureas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Fertilizers (AREA)
  • Phenolic Resins Or Amino Resins (AREA)

Abstract

Fertilizers having a N-content of 26-35% are prepared by condensing urea with a mixture of furfurol and formaldehyde in aqueous solution in the presence of a condensation catalyst. An excess of urea may be present.
ES342048A 1966-07-16 1967-06-20 Urea-Furfurol Condensation Products And A Process For Their Production Expired ES342048A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DESC039272 1966-07-16

Publications (1)

Publication Number Publication Date
ES342048A1 true ES342048A1 (en) 1968-07-16

Family

ID=7435087

Family Applications (1)

Application Number Title Priority Date Filing Date
ES342048A Expired ES342048A1 (en) 1966-07-16 1967-06-20 Urea-Furfurol Condensation Products And A Process For Their Production

Country Status (7)

Country Link
AT (1) AT273184B (en)
BE (1) BE701371A (en)
DE (1) DE1543903A1 (en)
ES (1) ES342048A1 (en)
GB (1) GB1153946A (en)
LU (1) LU53647A1 (en)
NL (1) NL6708758A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1152197B (en) * 1982-05-27 1986-12-31 Montedison Spa PROCEDURE FOR THE PREPARATION OF SLOWLY NITROGEN FERTILIZERS
CN105601445A (en) * 2016-03-10 2016-05-25 山东植丰农化集团有限公司 Preparation method of slow release fertilizer containing difurfurylidene triurethane and obtained slow release fertilizer
CN110423163A (en) * 2019-09-03 2019-11-08 河北农业大学 Slow and controlled release fertilizer for corn

Also Published As

Publication number Publication date
NL6708758A (en) 1968-01-17
BE701371A (en) 1967-12-18
GB1153946A (en) 1969-06-04
AT273184B (en) 1969-08-11
LU53647A1 (en) 1967-07-11
DE1543903A1 (en) 1970-07-09

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