Synthetic resins and their raw materials A survey of the types and uses of synthetic resins, the organization of the industry, and the trade in resins and raw materials, with particular references to factors essential to tariff consideration. Under the general provisions of section 332, title III, part II, Tariff act of 1930.

Nets and Netting and Other Fishing Gear, Report No. 117, Second Series, 1937 .10 Salmon and Other Fish, Report No. 121, Second Series, 1937 .15 Subsidies and Bounties to Fisheri...

This survey deals with the several commercially important types of synthetic resins covered by paragraphs 2, 11, and 28 of the Tariff Act of 1930 and with the raw materials nece...

Most of the commercially important synthetic resins are derived directly or indirectly from coal. The chart (p. 6) shows the derivation of certain synthetic resins from the prin...

In 1937 approximately 66 percent of the United States production of tar-acid resins was made from phenol; 18 percent from phenol-cresol mixtures; 13 percent from cresol-cresylic...

The resin is usually made in 1,000 pound batches, and the reaction cycle ranges from 6 to 18 hours. It is colored with soluble coal-tar dyes and cast into lead molds. These are...

During the period 1910-16 the research laboratories of the General Electric Co., engaged in research on a synthetic resin from glycerin and phthalic anhydride. As a result of th...

In 1931 another producer, the Toledo Synthetic Products Co., began manufacture of urea resins. Several years prior to that time the Toledo Scale Co. started a search for a mater...

Polystyrene resin is a clear, colorless, highly thermoplastic molding material with high insulating property, moisture resistance, inertness, dimensional stability, and impact s...

The official statistics of imports of vinyl resins prior to 1936 are not satisfactory for purposes of comparison. Imports could be entered under either paragraph 2 or paragraph...

_Urea resins for other uses._—Until recently urea resins were thought of exclusively for molding, but they are now being used for laminating, for surface coatings, and also as a...

One of the most important reasons why a manufacturer may decide to substitute a synthetic resin for another material is the resulting economy in the sense of economy in total co...

+-------------+--------------+------------- | Injection | Injection | Compression Type. | molding | molding | ratio | temperature | pressure | ------------------------------+---...

+-----------+------------+----------- | Softening | Distortion | | point | under heat | +-----------+------------+ Type | | | | | | Tendency | °F. | °F. | to cold | | | flow | |...

Although tar-acid resins comprise the bulk of the German output, considerable gains are shown for other types, notably injection molding resins of the polystyrene and vinyl type...

In 1936 the Ministry of Corporations granted Montecatini Societe Generale per l’Industria Mineraria, Milan, a permit to develop a factory for alkyd resins; and also Societe Ital...

_Trend of production._—Although the United States is the largest producer of coal tar, the limited demand for the main products of tar distillation (creosote oil and pitch) has...

+---------------------+---------+-------+------+--------- | | | | |Computed Calendar year | Rate of duty |Quantity | Value |Unit | ad | | | |value |valorem | | | | | rate ------...

Adipic acid is made by oxidation of cyclohexanol. When condensed with glycerin it yields an alkyd resin which is soft and rubbery and which does not harden when heated. Numerous...

+-------------+----------+----------+-------------- Year |Production[1]|Imports[2]|Exports[3]| Apparent | | | |consumption[4] -------+-------------+----------+----------+-------...

+----------------------+--------+------+----------+---------- | | | | | Computed Calendar | Rate of duty |Quantity| Value|Unit value|ad valorem year | | | | | rate ---------+---...

----+--------+-------- Year|Imports |Exports ----+--------+-------- |_1,000 |_1,000 | pounds_| pounds_ 1929| 2,037 | 8,494 1930| 1,277 | 6,712 1931| 1,874 | 7,980 1932| 1,541 |...

The processes for recovery of the cresols (fractional distillation) usually yield products more than 75 percent pure and most of the consumers of mixed or prepared cresols requi...

+----------+---------------------------- |Production| Sales Year +----------+--------+----------+-------- | Quantity |Quantity| Value | Value | | | |per lb. -------+----------+-...

----+--------+-------+----------+------------------------ Year|Quantity| Value |Unit value| Source |(pounds)| | | ----+--------+-------+----------+------------------------ 1931|...

+-----------------+-----------------+----------------- | 1935 | 1936 | 1937 +-----------------+-----------------+----------------- IMPORTS | Quantity (pounds) +-----------------...

+----------+---------+----------+---------- Imported from— | 1934 | 1935 | 1936 | 1937[3] -------------------------+----------+---------+----------+---------- | Quantity (pounds...

Coumarone resins Kokawerke & Chemische Fabriken A. G., Berlin N. W. 40. Harz No. 30 Ciba A. G., Berlin-Wilmersdorf. Harz No. 238 Ciba A. G., Berlin-Wilmersdorf. Ultrasit Chemisc...